IMac 27" DisplayPort Output Ceased after Boot Camp

I recently installed Windows 7 x64 via Boot Camp, which seemed to run smoothly... but the display drivers were not detecting the Radeon HD Mobility 5750, and forcing a resolution of 1920x1440 or something to that effect, something 4:3 anyway.
Looking at this link: http://www.feedmeastraycat.net/2010/08/11/installing-boot-camp-3-1-on-windows-7- 64bit/ I was able to find a link to the latest Win7 Catalyst Mobility Drivers (update, tip #1 -- http://forums.macrumors.com/showpost.php?p=10806750&postcount=22). After uninstalling the previous Catalyst driver I installed (Catalyst typically doesn't overwrite newer drivers with old ones, but does not let you know...looking at the installer log) and installing the driver linked above, I rebooted back into Windows.
The displays were recognized, but the win7 catalyst driver reported "Fake" for everything (Resolution, Hz, etc) in the DisplayPort screen portion and would not display anything. Thinking it wouldn't be a big deal to not have dual screens in windows, I booted back into Mac OSX. The second display stopped working there. Unplugging and replugging in the DisplayPort does the customary screen re-configuration, but the screen remains black "DVI - No Signal". If I look at the Display Preferences pane, I can see that it detected both screens, at the proper resolutions (eyeballing the arrangement pane), and I can re-arrange the screen arrangement. The mouse disappears just like the dual screens were active, yet the screens remain black.
I dug out the DisplayPort connector for my MacBook Air (different dongle) and verified that the monitor still works... did I fry my DisplayPort somehow?
Thanks in advance,
-Ben

No suggestions? Is there any way to refresh the ATI driver on OSX and/or take the card back to default settings?

Similar Messages

Can not boot into OSX after boot camp installation and resizing of Macintosh HD

So from the beginning what I was trying to do was set up my iMac (27-inch, Late 2013) with boot camp so that I could play some old windows based games that can not be played in Parallels.
I went through the Boot camp process and everything set up just fine.
I had both OS X Yosemite 10.10.2 and Windows 8 Professional running but as I was installing games on to boot camp I discovered I did not allocate enough space and needed to extend the Boot Camp partition.
I used boot camp utility to set OS X as the default start up disk and had it restart
I launched into OS X and used Disk Utility to shrink Macintosh HD another 120GB
Restarted again holding option and launched into Windows
Used the disk management in windows to try and extend the boot camp partition into the unallocated space.
It was not an option to extend it so I tried to create a new simple volume from the unallocated space then delete it and try to extend it again.
It still was not an option.
From there I went to restart again while holding option and the only options I had were 10.10 Recovery and Windows
I tried using disk utility in recovery and Macintosh hd now only showed disk0s2
I tried to verify and it could not verify
I tried to repair and it could not repair.
I put the iMac in target disk mode and using a thunderbolt cable I tried using disk utility from my MacBook Pro (13-inch Mid 2012)
Verifying volume “disk2s2”Verifying file system.** /dev/rdisk2s2
Invalid BS_jmpBoot in boot block: 000000
File system check exit code is 8.Error: This disk needs to be repaired. Click Repair Disk.
Verify and Repair volume “disk2s2”Repairing file system.** /dev/rdisk2s2
Invalid BS_jmpBoot in boot block: 000000
File system check exit code is 8.Updating boot support partitions for the volume as required.Error: Disk Utility can’t repair this disk. Back up as many of your files as possible, reformat the disk, and restore your backed-up files.
This is the same error I got on my iMac
I used terminal diskutil list and got:
/dev/disk2
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *1.0 TB     disk2
   1:                        EFI EFI                     209.7 MB   disk2s1
   2:       Microsoft Basic Data                         799.3 GB   disk2s2
   3:                  Apple_HFS Recovery HD             650.0 MB   disk2s3
   4:       Microsoft Basic Data BOOTCAMP                70.3 GB    disk2s4
I can see that Macintosh HD was disk2s2 but it now shows its Microsoft Basic Data.
I did not format this partition and it was working fine till I restarted the computer after resizing Macintosh HD.
I am not sure what I can do to fix this.
I've found multiple articles about similar issues, but the issue thet they have was that they could not boot to Windows instead of my issue not booting to OS X

****************    Update    *****************
From the Windows Partition using Disk Management I can see that the drive is still labeled Macintosh HD and that all of my data is there.
I have a complete backup so i'm not worried so much about the data.
What I'm most interested in is trying to solve this issue because I'd like to continue using boot camp and I actually work with mac computers and would like to be able to help others if this issue arrises again.

HT1899 How do i boot to mac after boot camp

How do i boot back to mac after boot camp? I was in the middle of installing windows 7 when i received an error message saying the partition needs to be in a diff format ( NFTS ). I tried restarting my mac but now its saying "no bootable device - insert boot disk"

Welcome to the Apple Support Communities
You have to format the volume using NTFS in Windows installer. After you've installed Windows, press X key while your computer is starting to start in Mac OS X

IMac headphone jack nonfunctional in XP (Boot Camp)

I recently installed Windows XP Home SP3 on my late 2008 iMac 20". I installed the Boot Camp drivers from a recent retail Leopard DVD, Boot Camp is version 2.1. Today I discovered that the headphone jack doesn't work. I plug in headphones, and sound continues to be played through the system speakers. These same headphones in this same jack DO work as expected in Mac OS X.
I have noticed in the Realtek HD Audio Manager, when I plug the headphones into the headphone jack, the "Line In (Realtek HD Audio Input)" icon lights up instead of the headphones icon (looking at the Audio I/O tab). If the driver was confusing the line-in jack with the headphone jack, as this observation indicates, it would explain why no sound is getting to the headphones.
The only relevant KB article I could find was this one relating to the MacBook Pro: http://support.apple.com/kb/HT3588 , however it seems to be addressing Windows Vista (it doesn't specify), and in any case I don't have an MBP. I cannot find any place in XP or Realtek's software to choose between internal speakers and headphones or to disable either.
I am going to try installing the latest drivers from Realtek's website, but I am curious if anyone else is experiencing this problem.

I can confirm that the latest Realtek drivers do not fix the problem. I unstalled the Realtek driver and software via Add/Remove Programs, rebooted, and installed the newest version. It still recognizes the headphone jack as the line-in jack, and ignores the line-in jack altogether.
The Boot Camp driver version was 5.10.0.5713, the driver I downloaded today from Realtek is 5.10.0.5874. I found the drivers here: http://www.realtek.com.tw/downloads/downloadsView.aspx?Langid=1&PFid=24&Level=4& Conn=3&DownTypeID=3

After Boot Camp partition, iMac no longer boots

Hi, I have a 20" iMac Core Duo (the first Intel Mac off the line) running Snow Leopard 10.6.4. I ran the Boot Camp Assistant to partition my hard drive, and it successfully created the "BOOTCAMP" drive. When it asked for my installation CD, I tried loading a Windows installation partition through a USB hard drive, but the assistant would not recognize it as an install disk. So, I closed out of the assistant early, leaving the Boot Camp partition in place. Eventually, I rebooted my machine in an attempt to boot directly from the USB drive and resume installation.
However, I found the machine will not boot at all. It powers on normally, makes the startup sound, but after a few seconds I'm left with just a flashing folder and question mark icon. Holding down Option-key at startup does nothing. Trying to boot from my Snow Leopard disc by holding down C or D during startup does nothing. Holding down Command-S does nothing. Holding down Shift-key does nothing. Resetting the PRAM does nothing.
What can I do? Is there some way I can access the on-board EFI to make sure the correct startup disk is selected? Why am I unable to boot from my CD drive?
Thanks for your help, everyone.

On OSX go to System Preferences the Startup Volume and reset your Windows 7 partition to be the default.
On the next reboot it should automatically boot into Windows.
A PRAM-reset http://support.apple.com/kb/HT1895 can be the cause of this behavior.
Stefan

Mystery partition after boot camp fail

I'm on an iMac, OSX 10.10.1. The entire 3TB Fusion HD was a single partition.
I attempted to install Windows using the Boot Camp Assistant, but Boot Camp froze while partitioning the HD. After rebooting, my HD now has a second Macintosh HD partition (~800GB) with a bunch of files in it (which I can't access), and which I'm unable to modify or remove using the Disk Utility (both in OSX and Recovery).
And of course, my HD now shows only 2.3TB.
Is there any way to resolve this short of reformatting the HD? And if that's necessary, any tips on how to go about doing that, plus reinstalling the OS and my Time Machine backup (I'm new to Macs, so I'm a little unfamiliar).
Thanks in advance.
Jed

Thanks for the quick response, Eric.
When I get to this step -- "Select the top level hard drive, not one of the partitions (as shown in screen shot)" -- the only option I have is to select the partition, not the entire HD. Note in the screenshot, the capacity is 2.3TB, which is only one partition of the two.
If I try to select the entire HD, I don't have the option to erase.
(These screenshots are from Disk Utility in OSX, not the Recovery one, but that's just so I could get a screenshot of what I saw in Recovery).
If I click to Erase, it notes that I'm only erasing the one partition. If this will, in fact, reset the drive to a single partition, I'll go ahead and do it, but I'm hesitant to reformat and reinstall if I don't have to.
It appears this might be a result of the way the Fusion drive operates combined with Bootcamp. Looking at this thread, there's a possible solution, but before I take that step, another new-Mac-user question -- is the reinstallation of the OS pretty reliable? Meaning if I go crazy with formatting things, am I always going to be able to reinstall the OS as long as I have a Recovery partition or have an Internet connection to do the Internet Recovery?
Thanks,
Jed

Problems with starting Windows after Boot Camp was installed on a Win-PC

Hi,
i have a very interesting problem for the MacComunity (haha -.-). The problem is: after I have installed Boot Camp from my Snow Leopard DVD on my Windows PC (not my iMac); I can not start the system. In the Boot Camp System where i can set the system to start with, there was only the Boot Camp System available (not Vista). However, the system installs some Vista-Updates and some Updates from Apple Software Update (iTunes 9.2, Quicktime 7, Safari 5, Airport 5, Boot Camp 3.1) on my PC.
Everything was all right but after I have restarted the System nothing happend. the System freezed when the boot-Screen (Intel Logo) appears. The Systemkeyboard was not detected. It only detects a n external apple Keyboard. There are some reactions when I press the keys, but the Monitory is frozen, anyway. What can I do?

Sounds like a lesson in there: don't wait to put OS X on an external drive that is usually off line.
Rush to a store or on-line and get a UPS of the 1500VA sort (APC RS would be nice, or SMART UPS 1000VA).
The directory of the drives could be corrupt.
I have all my equipment, modem, routers, the works, but we had a bad storm and one port on the router/modem is out (the one I used, the modem seems to be okay) and I am worried that the UPS's line filter for DSL in is also 'compromised.'
Storms and power outages can wRECK or cuase havoc.
It sounds like you need to map out bad sectors maybe (zero all in Disk Utility) perhaps. The directory, volume blocks, or even journal file, got scrambled. However, because no test can find it means - to me - it could be the "non user partitions" rather than OS X partition etc. Hence, zero the drive or just reformat it in full.
Why have you not ever with these outages, just continued to live w/o one? I wouldn't just shutdown, I would unplug if a storm approaches.
PS: SMC Reset button is under drive bay #4. Give it a 5-10 seconds depress.

Windows 7 Black screen with cursor after boot camp partition

So I realise this is a problem that was plaguing people a few years back. So I'll go from the very start.
I've downloaded a copy of windows 7 professional 64bit from the Microsoft website. My optical/CD drive isn't working, so I've been unable to use it
to install windows. I decided I'd try booting from my USB. So I have the ISO file and formatted my USB and I've downloaded the latest drivers for boot camp assistant on my mac (version 5.0.4) I'm up to date with every update for my mac. Now, I do realise that Apple doesn't recommend using a USB to load windows, but I watched this http://www.youtube.com/watch?v=8z1gqw0ougo and it explained how to get the checkbox up when you're in boot camp so you can run from your USB.
My problem now, is that straight after I have partitioned my hard drive, it goes on to install windows but upon restarting it reaches "the black screen of death" with just the white cursor blinking. I've tried multiple times and keep getting the same result. I've even tried what Apple suggested and only have one USB device plugged in http://support.apple.com/kb/TS4536
The details for my mac are as follows:
Model Name:
iMac
Model Identifier:
iMac10,1
Processor Name:
Intel Core 2 Duo
Processor Speed:
3.06 GHz
Number of Processors:
1
Total Number of Cores:
2
L2 Cache:
3 MB
Memory:
4 GB
Bus Speed:
1.07 GHz
Boot ROM Version:
IM101.00CC.B00
SMC Version (system):
1.53f13
Serial Number (system):
W800992A5PE
Hardware UUID:
A108E54E-3C53-5AF8-BFDF-2CF7ED567A74
and it's a late 2009 model.

I have solved this issue now but seem to have encountered another one. I solved the above issue simply by keep on trying time and time again, partitioning the hard drive and trying to install windows 7.
Anyway, I have encountered this error: windows setup could not apply the configuration set. The WINDOWS folder cannot be found.
Please help!

Problems with graphics after Boot Camp upgrade (from 3.1 to 3.2)

Right, today I upgraded Boot Camp (the first time I used iTunes on Windows so thats way I never did the upgrade before) from 3.1 to 3.2 and after the installation my screen went blank/black. After restarting iMac it the screen appeared but in 1024x768 resolution and without working graphic drivers.
I tried many different options to update the ATI HD 4850 driver, but none of them worked. It always says that there is some problem with it, but it also is up to date every time I try to update it manually for the drivers which comes with 10.12 Catalyst.
I spend several hours trying to solve it, but I just can't and I really don't know what to do next.

Right, I managed to fix it by updating the software manually, but selecting to choose from the list and I had to install the mobility drivers.

IMac 27" with Thunderbolt Display connected, Boot Camp Problem

Hi everyone.
Let me start off by saying that I'm using a late 2012 iMac 27", 3.4 GHz i7, 680MX, 32 GB RAM, 1 TB Fusion, with a Thunderbolt Display connected.
I installed Windows 8 via Boot Camp, and it works just fine. Here comes my problem:
I have dual screens and I play Minecraft. Minecraft's full screen is basically crap, and therefore I disabled the iMac display. I used Windows-button+P to use only the secondary display. This turns the iMac display off entirely, and leaves the Thunderbolt Display on. Note: This is not possible in Mac OS X. Then I played a little Minecraft. When I was done, i wanted the main iMac display to come on again. I then used Windows-button+P again, to turn both displays on. Then bam, totally looked like the iMac display was broken. See the images below, to see how it looks:
1) http://cl.ly/image/1p2e3c1Z1z1C
2) http://cl.ly/image/2g0n1M1Y0t0g
3) http://cl.ly/image/2Q2P1c1J220d
4) http://cl.ly/image/113b3K2O1Z43
5) http://cl.ly/image/1q2v1s1n3w1f
This image-retention-like stuff stays there, even if I reboot into Mac OS X, and then it eventually disappears. I can reproduce this, by doing the same thing again, (windows-button+p) but only in Windows, because that you cannot turn of the main display in Mac OS X. Maybe this is the reason why you can't?
Anyone can tell me what I can do? I guess I could try reinstalling, but it seems more like a hardware issue, than a software issue.
Thank you for your time, and thanks in advance.
Another note: I'll try doing the opposite, and see if it happens on the Thunderbolt Display as well. (Windows-button+P, and then only using the main display)
//ifraaank

Ok, I am marking this as "answered", as I have solved it myself, while I still have no clue what lead to the problem in the first place.
I've been on the phone with Apple Care today, and they were as clueless as I was and had never heard of this before.
After we tried the usual stuff (unplugging all wires, PRAM Reset, SMC Reset), to no avail, I was told it could well be a hardware problem and that I should have the iMac examined at the Genius Bar, so an appointment was made.
I'll cancel that one though, as I was able to cure it by myself for now (and carrying around a 27" iMac in Munich's busy downtown pedestrian zone is not really fun).
This is what I did (and I'm so happy I tried):
In Display Settings, I switched the external display back to landscape mode and selected "mirror displays".
Then I rebooted, and voilà, the problem was gone (Apple logo on white background was showing).
I switched it back to 90 degrees rotation and no mirroring, and it's still all ok.
I booted Windows 7 in Bootcamp, then back to Snow Leopard, and it's all still fine.
I can still only wonder what messed this up in the first place, but for now I'm happy.

Mini DisplayPort to VGA in Boot Camp

Hi all!
So I'm looking to unload my old G4 laptop and get a new MacBook or MacBook Pro. But there's something... scaring me.
I do a lot of video mixing through projectors or TVs, often in situations where s-video is the only available option (I usually do it in straight SD video). And right now, I have to depend on a Windows laptop with an s-video port for using Resolume. So the idea of having a machine with Boot Camp, running everything, is great.
But only if I can go out from it into a projector! On the Mac side, it looks like that would work fine---I'd just buy the Apple mini DisplayPort to VGA dongle:
http://store.apple.com/us/product/MB572Z/A
And then, if I need to go to s-video (which I often do), get a little scan converter, like:
http://www.grandtec.com/products/video/untimateEZ.html
But my concern is---does the mini DisplayPort to VGA dongle work in Boot Camp? If so, I'll be very happy. If not... If not I just might have to buy a Windows laptop, and will be very sad indeed.
Thanks for your help!

Sorry, I do not run Windows on my Mac's so I can not say for sure.
You should also ask over in the > Windows Software section of Apple Support Comunities.

Apple Store Refuses to Diagnose Hardware Issue after Boot Camp Installed

I previously reported an issue in the Boot Camp Beta forum, but figured I share this with other MBP users as well. After loading the updated firmware, running boot camp to partion my drive, I installed Windows XP Professional. During the install, the screen would go dark, and come back at irregular intervals, as if there was a video sync problem of something. I managed to get XP installed, and booted it and loaded the updated drives from the Boot Camp driver CD which I had earlier created. Subsequent attempt to use the XP installation result in a constantly blank screen, with only occational glitches, as if there is some activity coming out of the GPU, but it's not working correctly.
This is what led me to take my machine to my local (15 miles away) Apple Retail Store (Washington Sqaure, Tigard, Oregon), and attempt to show the problem to a "genius". HOWEVER... As soon as I mentioned "Boot Camp" and XP, they went into the whole "public beta, blah, blah, blah", "not supported", etc. I tried to explain that I was not reporting a SOFTWARE issue with Boot Camp, but rather a HARDWARE ISSUE which is exposed on my machine only after using BOOT CAMP to partition the hard drive, and then installing Windows XP. All I get was "Well, it works fine in OSX, and Boot Camp is Public Beta, so there's nothing we're going to do". Obviously, I'm livid. And, will pursuing any and all avenues to bring this problem to Apple Management attention. First it was Mark Pienpakdee the "genius" who tried to help me, and then I was further rebuked by Mark Macsurak, Assistant Manager. So, I'm left with broken hardware which won't work correctly running Windows, and no recourse until Boot Camp isn't "Public Beta". What a load of crap. I was so mad, I didn't even bother buying the extra AC adapter I was planning on picking up. ARGHHHHHHHHHHH!!!!!!!!!!!!!!!
I was absolutly shocked that the "genius" didn't react with anything like "wow, what an interesting problem, let's see if we can diagnose it". He didn't even want to see me boot XP to show the problem, only wanted to see that OSX was working normally and send me on my way.
If you have had similar problem at the Washington Square store in Oregon, be sure to let them know by sending e-mail to [email protected], I know I will...
Eric

If you are going to send an e-mail you should send it to [email protected] However, nobody from Apple is going to send you a response. The Software is Beta which means it is not ready for Prime Time (Also that means that the drivers are beta too). Plus they say before you decide to install any of this in their write ups that they do not and will not provide any support for BootCamp and/or Windows. So they are right not to do anything if the computer works like it is supposed to under OS 10.4.6. Now they might take a look at somethings when OS 10.5 comes out if it has BootCamp in it. They may have something similiar in it, or it might be a perfected BootCamp. However, I doubt that they will ever provide any support for Windows. There has been some talk that Microsoft is looking into supporting Windows on the MAC. However, as far as I have heard no decision on that has come out as of yet.

Mac Mini, Mini DisplayPort to VGA Adapter, & Boot Camp with Windows 7?

Can a 2011 Mac Mini be connected to a VGA monitor using the Mini DisplayPort to VGA Adapter while running Windows 7 by means of Boot Camp? The Mini DisplayPort to VGA Adapter is described at the below URL:
http://store.apple.com/us/product/MB572Z/A

Sorry, I do not run Windows on my Mac's so I can not say for sure.
You should also ask over in the > Windows Software section of Apple Support Comunities.

MacBook Pro 13" Late 2011 Experiencing Significant Slow Down After Boot Camp Installation

     Okay, so today, after installing Windows 7 on my MacBook Pro via Bootcamp Assistant, I experienced significant performance slow down (fans going at full blast, applications opening after extended periods of time, keystrokes not being registered) when I returned to my OS X partition/second hard drive. I have dual hard drives, one of them being a Samsung 256 GB SSD with OS X Mavericks and the other being my original 500 GB HDD, divided into a 250 GB OS X Mavericks partition and a 250 GB Windows partition. I have the SSD set as my startup disk and I have it located in the main HDD bay. I moved the old HDD into a caddy and placed it where the optical drive normally should be.
      After multiple failed attempts to install Windows via USB and Bootcamp Assistant, I decided to reinstall my optical drive and use a Windows installation disk. This attempt proved successful, and I was able to install Windows 7 onto the 250 GB partition I had created for it on the 500 GB HDD. After completing basic setup of Windows, I removed the optical disk drive and reinstalled the SSD and the HDD into their original spots (SSD in the main HDD bay, HDD in the caddy where the optical drive normally is).
     After completing this tedious process, I booted my Mac back up using the SSD. However, I noticed something was wrong when the login screen, apps, and nearly everything else on my desktop had slowed to crawl. I decided to check my Activity Monitor to see what the problem might be. Activity Monitor told me that the task "kernel_task" was taking up anywhere from 200-600% of my CPU, which explained the slowdown in performance. I looked around to see if there were others with the same problem as me, and I found that Spotlight Indexing might be an issue, with a potential remedy being move my Bootcamp Partition into the Privacy section of Spotlight under System Preferences. After doing that, I experienced no increase in performance and everything was still going very slowly.
     The next step I took was to see if booting into Safe Mode would help the issue. After booting into Safe Mode on my SSD, I noticed that things were back to their normal speeds, with applications opening at the speed they should be and keystrokes being registered instantaneously. However, the fans were still going and had not shut off once booting into Safe Mode. In addition, I checked Activity Monitor and the "kernel_task" in question was no longer taking up massive amounts of the CPU.
     At this point, I don't know what to do and I need help in restoring my Mac to original speeds. I may end up deleting my Boot Camp partition as a last measure if all else fails, seeing as I installed Windows in the first place for running a few programs and games that I can live without. However, I'd prefer to not have things come to that and fix things before deleting the Boot Camp Partition. I've heard that if everything runs normally in Safe Mode, then the issue is third-party software. Is this true?
     Any help would be greatly appreciated as I am writing this from the MacBook in question in Safe Mode because it's essentially useless in normal SSD operation.

1. This procedure is a diagnostic test. It changes nothing, for better or worse, and therefore will not, in itself, solve the problem. But with the aid of the test results, the solution may take a few minutes, instead of hours or days.
Don't be put off merely by the seeming complexity of these instructions. The process is much less complicated than the description. You do harder tasks with the computer all the time.
2. If you don't already have a current backup, back up all data before doing anything else. The backup is necessary on general principle, not because of anything in the test procedure. Backup is always a must, and when you're having any kind of trouble with the computer, you may be at higher than usual risk of losing data, whether you follow these instructions or not.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
3. Below are instructions to run a UNIX shell script, a type of program. All it does is to collect information about the state of the computer. That information goes nowhere unless you choose to share it. However, you should be cautious about running any kind of program (not just a shell script) at the behest of a stranger. If you have doubts, search this site for other discussions in which this procedure has been followed without any report of ill effects. If you can't satisfy yourself that the instructions are safe, don't follow them. Ask for other options.
Here's a summary of what you need to do, if you choose to proceed:
Copy a line of text in this window to the Clipboard.
Paste into the window of another application.
Wait for the test to run. It usually takes a few minutes.
Paste the results, which will have been copied automatically, back into a reply on this page.
The sequence is: copy, paste, wait, paste again. You don't need to copy a second time. Details follow.
4. You may have started the computer in "safe" mode. Preferably, these steps should be taken in “normal” mode, under the conditions in which the problem is reproduced. If the system is now in safe mode and works well enough in normal mode to run the test, restart as usual. If you can only test in safe mode, do that.
5. If you have more than one user, and the one affected by the problem is not an administrator, then please run the test twice: once while logged in as the affected user, and once as an administrator. The results may be different. The user that is created automatically on a new computer when you start it for the first time is an administrator. If you can't log in as an administrator, test as the affected user. Most personal Macs have only one user, and in that case this section doesn’t apply. Don't log in as root.
6. The script is a single long line, all of which must be selected. You can accomplish this easily by triple-clicking anywhere in the line. The whole line will highlight, though you may not see all of it in the browser window, and you can then copy it. If you try to select the line by dragging across the part you can see, you won't get all of it.
Triple-click anywhere in the line of text below on this page to select it:
PATH=/usr/bin:/bin:/usr/sbin:/sbin:/usr/libexec;clear;cd;p=(Software Hardware Memory Diagnostics Power FireWire Thunderbolt USB Fonts 51 4 1000 25 5120 KiB/s 1024 85 \\b%% 20480 1 MB/s 25000 ports ' \*AutoCad \*dropbox \*GoogleDr\* vidinst\* ' DYLD_INSERT_LIBRARIES\ DYLD_LIBRARY_PATH -86 ` route -n get default|awk '/e:/{print $2}' ` 25 N\\/A down up 102400 25600 recvfrom sendto CFBundleIdentifier 25 25 25 1000 MB com.apple.AirPortBaseStationAgent 464843899 );N5=${#p[@]};p[N5]=` networksetup -listnetworkserviceorder|awk ' NR>1 { sub(/^$[0-9]+$ /,"");n=$0;getline;} $NF=="'${p[26]}')" { sub(/.$/,"",$NF);print n;exit;} ' `;f=('\n%s: %s\n' '\n%s\n\n%s\n' '\nRAM details\n%s\n' %s\ %s '%s\n-\t%s\n' );S0() { echo ' { q=$NF+0;$NF="";u=$(NF-1);$(NF-1)="";gsub(/^ +| +$/,"");if(q>='${p[$1]}') printf("%s (UID %s) is using %s '${p[$2]}'",$0,u,q);} ';};s=(' /^ *$|CSConfigDot/d;s/^ */ /;s/[-0-9A-Fa-f]{22,}/UUID/g;s/(ochat)\.[^.]+(\..+)/\1\2/;/Shared/!s/\/Users\/[^/]+/~/g ' ' s/^ +//;5p;6p;8p;12p;' ' {sub(/^ +/,"")};NR==6;NR==13&&$2<'${p[10]} ' 1s/://;3,6d;/[my].+:/d;s/^ {4}//;H;${ g;s/\n$//;/s: [^EO]|x([^08]|02[^F]|8[^0])/p;} ' ' 5h;6{ H;g;/P/!p;} ' ' ($1~/^Cy/&&$3>'${p[11]}')||($1~/^Cond/&&$2!~/^N/) ' ' /:$/{ N;/:.+:/d;s/ *://;b0'$'\n'' };/^ *(V.+ [0N]|Man).+ /{ s/ 0x.... //;s/[()]//g;s/(.+: )(.+)/ (\2)/;H;};$b0'$'\n'' d;:0'$'\n'' x;s/\n\n//;/Apple[ ,]|Intel|SMSC/d;s/\n.*//;/\)$/p;' ' s/^.*C/C/;H;${ g;/No th|pms/!p;} ' '/= [^GO]/p' '{$1=""};1' ' /Of/!{ s/^.+is |\.//g;p;} ' ' $0&&!/ / { n++;print;} END { if(n<200) print "com.apple.";} ' ' $3~/[0-9]:[0-9]{2}$/ { gsub(/:[0-9:a-f]{14}/,"");} { print|"tail -n'${p[12]}'";} ' ' NR==2&&$4<='${p[13]}' { print $4;} ' ' END { $2/=256;if($2>='${p[15]}') print int($2) } ' ' NR!=13{next};{sub(/[+-]$/,"",$NF)};'"`S0 21 22`" 'NR!=2{next}'"`S0 37 17`" ' NR!=5||$8!~/[RW]/{next};{ $(NF-1)=$1;$NF=int($NF/10000000);for(i=1;i<=3;i++){$i="";$(NF-1-i)="";};};'"`S0 19 20`" 's:^:/:p' '/\.kext\/(Contents\/)?Info\.plist$/p' 's/^.{52}(.+) <.+/\1/p' ' /Launch[AD].+\.plist$/ { n++;print;} END { print "'${p[41]}'";if(n<200) print "/System/";} ' '/\.xpc\/(Contents\/)?Info\.plist$/p' ' NR>1&&!/0x|\.[0-9]+$|com\.apple\.launchctl\.(Aqua|Background|System)$|'${p[41]}'/ { print $3;} ' ' /\.(framew|lproj)|\):/d;/plist:|:.+(Mach|scrip)/s/:[^:]+//p ' '/root/p' ' !/\/Contents\/.+\/Contents|Applic|Autom|Frameworks/&&/Lib.+\/Info.plist$/ { n++;print;} END { if(n<1000) print "/System/";} ' '/^\/usr\/lib\/.+dylib$/p' ' /Temp|emac/ { next;} /(etc|Preferences|Launch[AD].+)\// { sub(".(/private)?","");n++;print;} END { print "'${p[41]}'.plist\t'${p[42]}'";if(n<500) print "Launch";} ' ' /\/(Contents\/.+\/Contents|Frameworks)\/|\.wdgt\/.+\.([bw]|plu)/d;p;' 's/\/(Contents\/)?Info.plist$//;p' ' { gsub("^| |\n","\\|\\|kMDItem'${p[35]}'=");sub("^...."," ") };1 ' p '{print $3"\t"$1}' 's/\'$'\t''.+//p' 's/1/On/p' '/Prox.+: [^0]/p' '$2>'${p[9]}'{$2=$2-1;print}' ' BEGIN { i="'${p[26]}'";M1='${p[16]}';M2='${p[18]}';M3='${p[31]}';M4='${p[32]}';} !/^A/ { next;} /%/ { getline;if($5<M1) a="user "$2"%, system "$4"%";} /disk0/&&$4>M2 { b=$3" ops/s, "$4" blocks/s";} $2==i { if(c) { d=$3+$4+$5+$6;next;};if($4>M3||$6>M4) c=int($4/1024)" in, "int($6/1024)" out";} END { if(a) print "CPU: "a;if(b) print "I/O: "b;if(c) print "Net: "c" (KiB/s)";if(d) print "Net errors: "d" packets/s";} ' ' /r\[0\] /&&$NF!~/^1(0|72\.(1[6-9]|2[0-9]|3[0-1])|92\.168)\./ { print $NF;exit;} ' ' !/^T/ { printf "(static)";exit;} ' '/apsd|OpenD/!s/:.+//p' ' (/k:/&&$3!~/(255\.){3}0/ )||(/v6:/&&$2!~/A/ ) ' ' $1~"lR"&&$2<='${p[25]}';$1~"li"&&$3!~"wpa2";' ' BEGIN { FS=":";} { n=split($3,a,".");sub(/_2[01].+/,"",$3);print $2" "$3" "a[n]" "$1;b=b$1;} END { if(b) print("\n\t* Code injection");} ' ' NR!=4{next} {$NF/=10240} '"`S0 27 14`" ' END { if($3~/[0-9]/)print$3;} ' ' BEGIN { L='${p[36]}';} !/^[[:space:]]*(#.*)?$/ { l++;if(l<=L) f=f"\n "$0;} END { F=FILENAME;if(!F) exit;if(!f) f="\n [N/A]";"file -b "F|getline T;if(T!~/^(AS.+ (En.+ )?text$|POSIX sh.+ text ex)/) F=F" ("T")";printf("\nContents of %s\n%s\n",F,f);if(l>L) printf("\n ...and %s more line(s)\n",l-L);} ' ' /^ +[NP].+ =/h;/^( +D.+[{]|[}])/{ g;s/.+= //p;};' 's/0/Off/p' ' END{print NR} ' ' /id: N|te: Y/{i++} END{print i} ' ' / / { print "'"${p[28]}"'";exit;};1;' '/ en/!s/\.//p' ' NR!=13{next};{sub(/[+-M]$/,"",$NF)};'"`S0 39 40`" ' $10~/$L/&&$9!~"localhost" { sub(/.+:/,"",$9);print $1": "$9;} ' '/^ +r/s/.+"(.+)".+/\1/p' 's/(.+\.wdgt)\/(Contents\/)?Info\.plist$/\1/p' 's/^.+\/(.+)\.wdgt$/\1/p' );c1=(system_profiler pmset\ -g nvram fdesetup find syslog df vm_stat sar ps sudo\ crontab sudo\ iotop top pkgutil 'PlistBuddy 2>&1 -c "Print' whoami cksum kextstat launchctl sudo\ launchctl crontab 'sudo defaults read' stat lsbom mdfind ' for i in ${p[24]};do ${c1[18]} ${c2[27]} $i;done;' defaults\ read scutil sudo\ dtrace sudo\ profiles sed\ -En awk /S*/*/P*/*/*/C*/*/airport networksetup mdutil sudo\ lsof test );c2=(com.apple.loginwindow\ LoginHook '" /L*/P*/loginw*' '" L*/P*/*loginit*' 'L*/Ca*/com.ap*.Saf*/E*/* -depth 1 -name In*t -exec '"${c1[14]}"' :CFBundleDisplayName" {} \;' '~ $TMPDIR.. \( -flags +sappnd,schg,uappnd,uchg -o ! -user $UID -o ! -perm -600 $' '.??* -path .Trash -prune -o -type d -name *.app -print -prune' :${p[35]}\" :Label\" '{/,}L*/{Con,Pref}* -type f ! -size 0 -name *.plist -exec plutil -s {} \;' "-f'%N: %l' Desktop L*/Keyc*" therm sysload boot-args status " -F '\$Time \$Message' -k Sender kernel -k Message Req 'bad |Beac|caug|dead[^bl]|FAIL|fail|GPU |hfs: Ru|inval|jnl:|last value [1-9]|n Cause: -|NVDA$|pagin|proc: t|Roamed|rror|ssert|Thrott|tim(ed? ?|ing )o|WARN' -k Message Rne 'Goog|ksadm|SMC:' -o -k Sender fseventsd -k Message Req 'SL' " '-du -n DEV -n EDEV 1 10' 'acrx -o comm,ruid,%cpu' '-t1 10 1' '-f -pfc /var/db/r*/com.apple.*.{BS,Bas,Es,J,OSXU,Rem,up}*.bom' '{/,}L*/Lo*/Diag* -type f -regex .\*[cgh] ! -name *ag \( -exec grep -lq "^Thread c" {} \; -exec printf \* \; -o -true $ -execdir stat -f:%Sc:%N -t%F {} \;|sort -t: -k2 |tail -n'${p[38]} '-L {/{S*/,},}L*/Lau* -type f' '-L /{S*/,}L*/StartupItems -type f -exec file {} +' '-L /S*/L*/{C*/Sec*A,E}* {/,}L*/{A*d,Ca*/*/Ex,Compon,Ex,In,iTu,Keyb,Mail/B,P*P,Qu*T,Scripti,Sec,Servi,Spo,Widg}* -type f -name Info.plist' '/usr/lib -type f -name *.dylib' `awk "${s[31]}"<<<${p[23]}` "/e*/{auto,{cron,fs}tab,hosts,{[lp],sy}*.conf,pam.d/*,ssh{,d}_config,*.local} {,/usr/local}/etc/periodic/*/* /L*/P*{,/*}/com.a*.{Bo,sec*.ap}*t /S*/L*/Lau*/*t .launchd.conf" list getenv /Library/Preferences/com.apple.alf\ globalstate --proxy '-n get default' -I --dns -getdnsservers\ "${p[N5]}" -getinfo\ "${p[N5]}" -P -m\ / '' -n1 '-R -l1 -n1 -o prt -stats command,uid,prt' '--regexp --only-files --files com.apple.pkg.*|sort|uniq' -kl -l -s\ / '-R -l1 -n1 -o mem -stats command,uid,mem' -i4TCP:0-1023 com.apple.dashboard\ layer-gadgets '-d /L*/Mana*/$USER&&echo On' '-app Safari WebKitDNSPrefetchingEnabled' );N1=${#c2[@]};for j in {0..8};do c2[N1+j]=SP${p[j]}DataType;done;N2=${#c2[@]};for j in 0 1;do c2[N2+j]="-n ' syscall::'${p[33+j]}':return { @out[execname,uid]=sum(arg0) } tick-10sec { trunc(@out,1);exit(0);} '";done;l=(Restricted\ files Hidden\ apps 'Elapsed time (s)' POST Battery Safari\ extensions Bad\ plists 'High file counts' User Heat System\ load boot\ args FileVault Diagnostic\ reports Log 'Free space (MiB)' 'Swap (MiB)' Activity 'CPU per process' Login\ hook 'I/O per process' Mach\ ports kexts Daemons Agents launchd Startup\ items Admin\ access Root\ access Bundles dylibs Apps Font\ issues Inserted\ dylibs Firewall Proxies DNS TCP/IP Wi-Fi Profiles Root\ crontab User\ crontab 'Global login items' 'User login items' Spotlight Memory Listeners Widgets Parental\ Controls Prefetching );N3=${#l[@]};for i in 0 1 2;do l[N3+i]=${p[5+i]};done;N4=${#l[@]};for j in 0 1;do l[N4+j]="Current ${p[29+j]}stream data";done;A0() { id -G|grep -qw 80;v[1]=$?;((v[1]==0))&&sudo true;v[2]=$?;v[3]=`date +%s`;clear >&-;date '+Start time: %T %D%n';};for i in 0 1;do eval ' A'$((1+i))'() { v=` eval "${c1[$1]} ${c2[$2]}"|'${c1[30+i]}' "${s[$3]}" `;[[ "$v" ]];};A'$((3+i))'() { v=` while read i;do [[ "$i" ]]&&eval "${c1[$1]} ${c2[$2]}" \"$i\"|'${c1[30+i]}' "${s[$3]}";done<<<"${v[$4]}" `;[[ "$v" ]];};A'$((5+i))'() { v=` while read i;do '${c1[30+i]}' "${s[$1]}" "$i";done<<<"${v[$2]}" `;[[ "$v" ]];};';done;A7(){ v=$((`date +%s`-v[3]));};B2(){ v[$1]="$v";};for i in 0 1;do eval ' B'$i'() { v=;((v['$((i+1))']==0))||{ v=No;false;};};B'$((3+i))'() { v[$2]=`'${c1[30+i]}' "${s[$3]}"<<<"${v[$1]}"`;} ';done;B5(){ v[$1]="${v[$1]}"$'\n'"${v[$2]}";};B6() { v=` paste -d: <(printf "${v[$1]}") <(printf "${v[$2]}")|awk -F: ' {printf("'"${f[$3]}"'",$1,$2)} ' `;};B7(){ v=`grep -Fv "${v[$1]}"<<<"$v"`;};C0(){ [[ "$v" ]]&&echo "$v";};C1() { [[ "$v" ]]&&printf "${f[$1]}" "${l[$2]}" "$v";};C2() { v=`echo $v`;[[ "$v" != 0 ]]&&C1 0 $1;};C3() { v=`sed -E "$s"<<<"$v"`&&C1 1 $1;};for i in 1 2;do for j in 2 3;do eval D$i$j'(){ A'$i' $1 $2 $3; C'$j' $4;};';done;done;{ A0;A2 0 $((N1+1)) 2;C0;A1 0 $N1 1;C0;B0;C2 27;B0&&! B1&&C2 28;D12 15 37 25 8;A1 0 $((N1+2)) 3;C0;D13 0 $((N1+3)) 4 3;D23 0 $((N1+4)) 5 4;for i in 0 1 2;do D13 0 $((N1+5+i)) 6 $((N3+i));done;D13 1 10 7 9;D13 1 11 8 10;D22 2 12 9 11;D12 3 13 10 12;D23 4 19 44 13;D23 5 14 12 14;D22 6 36 13 15;D22 7 37 14 16;D23 8 15 38 17;D22 9 16 16 18;B1&&{ D22 11 17 17 20;for i in 0 1;do D22 28 $((N2+i)) 45 $((N4+i));done;};D22 12 44 54 45;D22 12 39 15 21;A1 13 40 18;B2 4;B3 4 0 19;A3 14 6 32 0;B4 0 5 11;A1 17 41 20;B7 5;C3 22;B4 4 6 21;A3 14 7 32 6;B4 0 7 11;B3 4 0 22;A3 14 6 32 0;B4 0 8 11;B5 7 8;B1&&{ A2 19 26 23;B7 7;C3 23;};A2 18 26 23;B7 7;C3 24;A2 4 20 21;B7 6;B2 9;A4 14 7 52 9;B2 10;B6 9 10 4;C3 25;D13 4 21 24 26;B4 4 12 26;B3 4 13 27;A1 4 22 29;B7 12;B2 14;A4 14 6 52 14;B2 15;B6 14 15 4;B3 0 0 30;C3 29;A1 4 23 27;B7 13;C3 30;D13 24 24 32 31;D13 25 37 32 33;A2 23 18 28;B2 16;A2 16 25 33;B7 16;B3 0 0 34;B2 21;A6 47 21&&C0;B1&&{ D13 21 0 32 19;D13 10 42 32 40;D22 29 35 46 39;};D13 14 1 48 42;D12 34 43 53 44;D22 0 $((N1+8)) 51 32;D13 4 8 41 6;D12 26 28 35 34;D13 27 29 36 35;A2 27 32 39&&{ B2 19;A2 33 33 40;B2 20;B6 19 20 3;};C2 36;D23 33 34 42 37;B1&&D23 35 45 55 46;D23 32 31 43 38;D12 36 47 32 48;D13 20 42 32 41;D13 14 2 48 43;D13 4 5 32 1;D22 4 4 50 0;D13 4 3 32 5;D12 26 48 49 49;B3 4 22 57;A1 26 46 56;B7 22;B3 0 0 58;C3 47;D23 22 9 37 7;A7;C2 2;} 2>/dev/null|pbcopy;exit 2>&-
Copy the selected text to the Clipboard by pressing the key combination command-C.
7. Launch the built-in Terminal application in any of the following ways:
Enter the first few letters of its name into a Spotlight search. Select it in the results (it should be at the top.)
In the Finder, select Go ▹ Utilities from the menu bar, or press the key combination shift-command-U. The application is in the folder that opens.
Open LaunchPad. Click Utilities, then Terminal in the icon grid.
Click anywhere in the Terminal window and paste by pressing command-V. The text you pasted should vanish immediately. If it doesn't, press the return key.
8. If you see an error message in the Terminal window such as "Syntax error" or "Event not found," enter
exec bash
and press return. Then paste the script again.
9. If you're logged in as an administrator, you'll be prompted for your login password. Nothing will be displayed when you type it. You will not see the usual dots in place of typed characters. Make sure caps lock is off. Type carefully and then press return. You may get a one-time warning to be careful. If you make three failed attempts to enter the password, the test will run anyway, but it will produce less information. In most cases, the difference is not important. If you don't know the password, or if you prefer not to enter it, press the key combination control-C or just press return three times at the password prompt. Again, the script will still run.
If you're not logged in as an administrator, you won't be prompted for a password. The test will still run. It just won't do anything that requires administrator privileges.
10. The test may take a few minutes to run, depending on how many files you have and the speed of the computer. A computer that's abnormally slow may take longer to run the test. While it's running, there will be nothing in the Terminal window and no indication of progress. Wait for the line
[Process completed]
to appear. If you don't see it within half an hour or so, the test probably won't complete in a reasonable time. In that case, close the Terminal window and report the results. No harm will be done.
11. When the test is complete, quit Terminal. The results will have been copied to the Clipboard automatically. They are not shown in the Terminal window. Please don't copy anything from there. All you have to do is start a reply to this comment and then paste by pressing command-V again.
At the top of the results, there will be a line that begins with the words "Start Time." If you don't see that, but instead see a mass of gibberish, you didn't wait for the "Process completed" message to appear in the Terminal window. Please wait for it and try again.
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Note: This is a public forum, and others may give you advice based on the results of the test. They speak only for themselves, and I don't necessarily agree with them.
Copyright © 2014 by Linc Davis. As the sole author of this work, I reserve all rights to it except as provided in the Use Agreement for the Apple Support Communities website ("ASC"). Readers of ASC may copy it for their own personal use. Neither the whole nor any part may be redistributed.

Why do I get a dark screen in Windows 7 after Boot Camp?

Hello fellows!
What is wrong?
About this week I have tried to install Windows – Windows 7 Ultimate 32-bit – on my MacBook Pro(Early 2011-model). Everything works perfectly, except one thing! The screen.
Before I am installing the drivers from Windows Support the screen is lightly and everything, but after the restart, everything on the screen goes dark. I have tried to find the correct drivers, but then it tells me that: I don't have to correct Graphic adapter.
I have to graphic cards: an AMD Radeon HD 6750M and an Intel HD Graphics 3000.
Yesterday I downloaded a program known as gfxCardStatus – a program, which can switch between the graphic cards on your computer –, and I tried it.
Before installing this program I knew that Mac OS X was running the Intel-model, when Windows 7 was running the AMD. Then, I switched from Intel to AMD on MAC OS X, then I booted up Windows and reinstalled the drivers from WindowsSupport, and everything worked properly! Until I rebooted to get multicore working.
I was so frustrated that I gave up and waited for today. Then this morning I tried to do the same thing, to get a lightly screen again. But a terrible thing happened. Mac OS X got the same problem. But after some time working things out it worked properly.. On Mac OS X!
What can you do for me?
I hope you can tell me what is wrong with the Boot Camp. I really want Windows to run properly. I cannot accept a dark screen, and I hope somebody out there has experience and at the same time got the awesome personality to help me through this problem.
Operating System on Mac: Mac OS X Lion.
Opereating System on Windows: Windows 7 Ultimate 32-bit
Have a nice day, everybody.

I can easily get into Windows. It is just that the drivers don't seem to work correct, and makes the screen dark.

IMac 27" DisplayPort Output Ceased after Boot Camp

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