MacBookpro Early 2011 graphic issue won't boot

Hello,
My Early 2011 MacBookPro suddenly suffered from graphics issues for a few days then it won't boot at all.
The hardware test says it is ok and my hard drive too. But when I want to boot, the apple appears and the dong too, but then blank screen. It is the same with a bootcamp boot, but with a blue screen with lines all over the screen. The recovery partition doesn't start either. But I can access boot from my hard drive with another Mac on target mode.
Anyway Apple doesn't admit there's a problem a want me to pay the reparation, because they don't report it as a real problem, saying that I damaged the computer. But there are threads here and all over the internet, and they don't want to do anything.
On the phone, the apple guy told me that I had to pay 80$ to see if there is any problem , and " maybe if we see there's a fabrication problem, we'll fix it for free ". Do I have to trust them ? What can I do to ?
Thank you

This thread may be helpful -> https://discussions.apple.com/thread/4766577?tstart=0.
You should at least add your experience and see if those who have come up with 'quick fixes' can help you with your problem.
Good luck,
Clinton

Similar Messages

MBP 13 inch early 2011 graphics issues / freezing

Hi! Thanks for taking the time to read this!
So im having an issue with the graphics on my MBP. This has happened three times now and im getting scared.
So basicly i am using the computer normally (Watching youtube / mindlessly surfing the web) and suddenly this happens (Check the image!) along with a three tone beep that repeats after a few second break. The system doesnt respond to inputs and has to be forcebly shutdown. The first time this happened was about two weeks ago. Nothing on the system was changed and it happenes in more than one account.
Prior to this the computer has always ran perfectly.
The system is just like how it came from the store except i put 8Gb of ram in it about 6 or so months ago.
Im asuming i should take it to be repaired at the apple store? My warrenty is still good for a while.
Thanks for viewing!
Have a great day!

ZapplePi,
good, you have the right memory installed for your MacBook Pro. (Sometimes people install RAM that’s not suitable for their machines.)
Have you run the Apple Hardware Test (AHT), to see if it can detect a problem? (It’s not able to detect all problems, but those that it can detect can help the folks at the Apple store to determine the right course of action.) Since you have an Early 2011 model, boot from your grey Applications Install DVD that came in the box with your MacBook Pro, to run the AHT on that DVD. Select the extended test — it should take around 30 minutes or so to complete.

Macbookpro early 2011 keeps saying password invalid for WPA protected wifi

It's been 2 days my macbookpro early 2011 with lion os x 10.7.2 can't connect to wifi.The wireless connection drops and when i try to reconnect,it requires me to retype the password but after i type the password,it says connection failed although the password i type is correct.i try to use assist me and assistant to connect but it shows password is invalid.i try to add a new location and readd the network name but still fails to connect.Can someone pls help...

Since 10.7.2 on a certain router, I get the same thing. The connection drops, then when reconnecting it asks for the password, then won't take the correct one. I restart and then it usually connects fine. Lion has been one nasty cat since day one. How I miss Snow Leopard.
My iPhone, iPod touch and a friend's MacBook Pro, on Snow Leopard, connect without a problem on the same router.

Macbook Pro Early 2011 having issues

Hi all
I hope this message finds you all well.
Sorry that my first post is one begging for help but with a gig 3 weeks away i am bricking it due to the fact that my macbook pro, early 2011 has been playing up of late. It first started having problems when the L shift key became stuck, not physically but after some investigation on here I used Karabiner software to ascertain the issue and disable the key. However since then the computer hasnt run properly at all.
I have tried disk repair and so forth, also run Avast virus check but the issues still persist.
I run Traktor DJ software and for no reason the macbook has started glitching, spinning wheel of doom comes and everything slows down. I can't run simultaneous programmes and certainly can't run my Arkaos Grand VJ software at all which isn't good when we have a big gig in 3 weeks time.
I have run the Etrecheck as shown below but I dont know what to make of it?!
Can someone please give me some advice as I am stuck and cant rely on the laptop for the gig which will throw a real spanner in the works.
Problem description:
Runs slow, spinning wheel frequently, cannot run arkaos software, tractor software glitches regularly, L shift is stuck on (presently disabled using Karabiner software
EtreCheck version: 2.0.4 (89)
Report generated 16 October 2014 14:01:30 BST
Hardware Information: ℹ️
MacBook Pro (15-inch, Early 2011) (Verified)
MacBook Pro - model: MacBookPro8,2
1 2 GHz Intel Core i7 CPU: 4-core
4 GB RAM Upgradeable
BANK 0/DIMM0
2 GB DDR3 1333 MHz ok
BANK 1/DIMM0
2 GB DDR3 1333 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
Intel HD Graphics 3000 - VRAM: 384 MB
Color LCD 1440 x 900
AMD Radeon HD 6490M - VRAM: 256 MB
System Software: ℹ️
OS X 10.9.4 (13E28) - Uptime: 9 days 1:39:24
Disk Information: ℹ️
ST500LM012 HN-M500MBB disk0 : (500.11 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
Macintosh HD (disk0s2) / [Startup]: 499.25 GB (104.69 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
MATSHITADVD-R   UJ-898
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
JMicron Samsung S2 Portable 1 TB
S.M.A.R.T. Status: Verified
J-Unit (disk2s1) /Volumes/J-Unit : 1 TB (162.07 GB free)
Apple Inc. BRCM2070 Hub
Apple Inc. Bluetooth USB Host Controller
Apple Inc. Apple Internal Keyboard / Trackpad
Apple Computer, Inc. IR Receiver
Thunderbolt Information: ℹ️
Apple Inc. thunderbolt_bus
Gatekeeper: ℹ️
Mac App Store and identified developers
Kernel Extensions: ℹ️
/Applications/Karabiner.app
[loaded] org.pqrs.driver.Karabiner (10.2.0 - SDK 10.9) Support
/Library/Application Support/Avast/components/fileshield/unsigned
[loaded] com.avast.AvastFileShield (2.1.0 - SDK 10.9) Support
/Library/Application Support/Avast/components/proxy/unsigned
[loaded] com.avast.PacketForwarder (1.4 - SDK 10.9) Support
/Library/Parallels/Parallels Service.app
[not loaded] com.parallels.kext.prl_hid_hook (7.0 15095.768120) Support
[not loaded] com.parallels.kext.prl_hypervisor (7.0 15095.768120) Support
[not loaded] com.parallels.kext.prl_netbridge (7.0 15095.768120) Support
[not loaded] com.parallels.kext.prl_usb_connect (7.0 15095.768120) Support
[not loaded] com.parallels.kext.prl_vnic (7.0 15095.768120) Support
/System/Library/Extensions
[not loaded] com.caiaq.driver.NIUSBAudio2DJDriver (2.4.23) Support
[not loaded] com.caiaq.driver.NIUSBAudio4DJDriver (2.4.23) Support
[not loaded] com.caiaq.driver.NIUSBHardwareDriver (2.4.23) Support
[not loaded] com.caiaq.driver.NIUSBTraktorAudio2Driver (2.4.23) Support
[loaded] com.caiaq.driver.NIUSBTraktorKontrolS4Driver (2.4.23) Support
[not loaded] com.caiaq.driver.NIUSBTraktorKontrolX1Driver (2.4.21) Support
[not loaded] com.native-instruments.driver.NIUSBDeviceHelper (1.0.8) Support
[loaded] com.rim.driver.BlackBerryUSBDriverInt (0.0.74) Support
[not loaded] com.rim.driver.BlackBerryUSBDriverVSP (0.0.74) Support
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist Support
[loaded] com.avast.userinit.plist Support
[loaded] com.divx.dms.agent.plist Support
[loaded] com.divx.update.agent.plist Support
[invalid?] com.parallels.desktop.launch.plist Support
[loaded] com.parallels.DesktopControlAgent.plist Support
[running] com.parallels.vm.prl_pcproxy.plist Support
[running] com.rim.BBAlbumArtCacher.plist Support
[running] com.rim.BBLaunchAgent.plist Support
[loaded] org.gpgtools.gpgmail.enable-bundles.plist Support
[loaded] org.gpgtools.gpgmail.patch-uuid-user.plist Support
[running] org.gpgtools.Libmacgpg.xpc.plist Support
[loaded] org.gpgtools.macgpg2.fix.plist Support
[running] org.gpgtools.macgpg2.shutdown-gpg-agent.plist Support
[loaded] org.gpgtools.macgpg2.updater.plist Support
Launch Daemons: ℹ️
[loaded] com.adobe.fpsaud.plist Support
[invalid?] com.adobe.SwitchBoard.plist Support
[loaded] com.avast.init.plist Support
[loaded] com.avast.uninstall.plist Support
[loaded] com.avast.update.plist Support
[loaded] com.microsoft.office.licensing.helper.plist Support
[running] com.parallels.desktop.launchdaemon.plist Support
[running] com.rim.BBDaemon.plist Support
[loaded] org.gpgtools.gpgmail.patch-uuid.plist Support
User Launch Agents: ℹ️
[loaded] com.adobe.AAM.Updater-1.0.plist Support
[invalid?] com.avast.home.userinit.plist Support
[loaded] com.divx.agent.postinstall.plist Support
[loaded] com.google.keystone.agent.plist Support
[not loaded] com.spotify.webhelper.plist Support
User Login Items: ℹ️
smcFanControl Application (/Applications/smcFanControl.app)
iTunesHelper ApplicationHidden (/Applications/iTunes.app/Contents/MacOS/iTunesHelper.app)
Dropbox Application (/Applications/Dropbox.app)
Spotify UNKNOWN (missing value)
TorBrowser UNKNOWN (missing value)
Android File Transfer Agent Application (/Users/[redacted]/Library/Application Support/Google/Android File Transfer/Android File Transfer Agent.app)
Wondershare Helper Compact Application (/Users/[redacted]/Library/Application Support/Helper/Wondershare Helper Compact.app)
SE Media Sync Helper ApplicationHidden (/Applications/Sony Ericsson Media Sync.app/Contents/Resources/SE Media Sync Helper.app)
Karabiner Application (/Applications/Karabiner.app)
NIHardwareAgent ApplicationHidden (/Library/Application Support/Native Instruments/Hardware/NIHardwareAgent.app)
Internet Plug-ins: ℹ️
FlashPlayer-10.6: Version: 15.0.0.152 - SDK 10.6 Support
QuickTime Plugin: Version: 7.7.3
Flash Player: Version: 15.0.0.152 - SDK 10.6 Mismatch! Adobe recommends 15.0.0.189
OVSHelper: Version: 1.1 Support
DivXBrowserPlugin: Version: 2.2 Support
Default Browser: Version: 537 - SDK 10.9
SharePointBrowserPlugin: Version: 14.3.5 - SDK 10.6 Support
Scorch: Version: 6.2.0 Support
Silverlight: Version: 5.1.10411.0 - SDK 10.6 Support
JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
User Internet Plug-ins: ℹ️
Picasa: Version: 1.0 - SDK 10.6 Support
Safari Extensions: ℹ️
AdBlock
wrc
3rd Party Preference Panes: ℹ️
DivX Support
Flash Player Support
GPGPreferences Support
Native Instruments USB Audio Support
Perian Support
Time Machine: ℹ️
Skip System Files: NO
Mobile backups: ON
Auto backup: YES
Volumes being backed up:
Macintosh HD: Disk size: 499.25 GB Disk used: 394.56 GB
Destinations:
Stampatron II [Local]
Total size: 499.76 GB
Total number of backups: 8
Oldest backup: 2014-10-08 21:14:51 +0000
Last backup: 2014-10-09 04:18:39 +0000
Size of backup disk: Too small
Backup size 499.76 GB < (Disk used 394.56 GB X 3)
Backup [Local]
Total size: 499.94 GB
Total number of backups: 1
Oldest backup: 2014-09-20 07:40:57 +0000
Last backup: 2014-09-20 07:40:57 +0000
Size of backup disk: Too small
Backup size 499.94 GB < (Disk used 394.56 GB X 3)
Top Processes by CPU: ℹ️
      5% WindowServer
      3% bluetoothaudiod
      2% com.avast.daemon
      1% iTunes
      1% Safari
Top Processes by Memory: ℹ️
205 MB Safari
106 MB com.apple.WebKit.WebContent
90 MB com.avast.daemon
69 MB Finder
43 MB iTunes
Virtual Memory Information: ℹ️
34 MB Free RAM
1.03 GB Active RAM
1.01 GB Inactive RAM
1.27 GB Wired RAM
20.97 GB Page-ins
2.19 GB Page-outs

You have Avast installed which could be causing some problems for your Mac's operation. Use the Avast uninstaller and get rid of it.
Boot into Recovery mode by holding down the Command and R keys together and use Disk Utility there to Repair your hard drive and repair disk permissions.
Hope that helps.
As for the shift key, you should take the computer to the Apple Genius Bar and have them look at it.

Macbook Pro Early 2011 Display issue

Hi all,
After reading the replacement program that has been extended to MBP for 15" and 17", is there going to be any news with regards to the 13"?
The reason why I'm asking is that while I'm not sure if mine is an isolated issue or widespread/common occurrence, I have had my logic board replaced last year due to a display issue, and currently still unable to run external display, despite reading up on discussion that is going on.
The symptoms mirror that of the 15"/17", just that the 13" does not have a dedicated GPU.
Hope to get more suggestions/ solutions/ news to potential replacement program from here.
Thanks all!
Regards,
Ziang

Welcome to Apple Support Communities
Early 2011 15 and 17-inch MacBooks Pro have had several GPU issues that causes graphic corruption, and it was an issue that showed in most MacBooks Pro. However, this does not apply to the 13-inch MacBook Pro, so I think it is just an issue that has appeared on your Mac but there is not a reason for a replacement program.

Dual 2.5 cooling issue: Won't boot.

I have a dual 2.5 G5 that I've had since it was new in in july 2004. It's never given me any problems.
Recently it started "gurgling" (it's the best way to describe it). I was worried about the dreaded leaking issue so I tore it apart looking for leaks.
Good news: No leaks. Bad news, it won't boot now.
In the process of assessing the situation I checked the coolant level. To my surprise the system was pressurized quite a bit, even though it was stone cold. I don't understand this. I also get the red LED's on the mother board glowing indicating overheat, the cooling fans run at high velocity, and the computer won't boot.
I am in the process of rebuilding the water pump as a preventative measure, resealing the two O-rings and the diaphragm. Everything seems in working order.
I hope it will boot once I reassemble it, but I'm in a situation where I MUST have it up and running by monday.
Any suggestions?

Hi tarmaque-
It may not be so much about pressure as air in the system. You said yourself that it was pressurized when you disassembled it. That is a huge clue! That fact alone would certainly make me think that there should be pressure.
I think the higher boiling point under pressure is a factor. There isn't much fluid and it must dissipate a lot of heat.
Water cooled engines absolutely are "pressurized"-ever take a radiator cap off of a hot engine? A cooling system must be able to handle pressure as (duh Daddy) liquids expand when hot.
Luck-
-DP

Macbook pro early 2011 stops working on normal boot up

My mbp early 2011 with 4gb ram 500 gb hdd and intel core i7 processor 13" after installing yosemite seems to be sticking on normal boot but works in safe mode which I'm using now to put this discussion . Im a dj and need to use my computer by tmrw saturday can i get some assistance i have tried to reinstall the OS X and the problem persist !! i have also done a disk verification and repaired the disk

Reinstalling Lion Without Erasing the Drive
Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
Repair the Hard Drive and Permissions: Upon startup select Disk Utility from the main menu. Repair the Hard Drive and Permissions as follows.
When the recovery menu appears select Disk Utility. After DU loads select your hard drive entry (mfgr.'s ID and drive size) from the the left side list. In the DU status area you will see an entry for the S.M.A.R.T. status of the hard drive. If it does not say "Verified" then the hard drive is failing or failed. (SMART status is not reported on external Firewire or USB drives.) If the drive is "Verified" then select your OS X volume from the list on the left (sub-entry below the drive entry,) click on the First Aid tab, then click on the Repair Disk button. If DU reports any errors that have been fixed, then re-run Repair Disk until no errors are reported. If no errors are reported click on the Repair Permissions button. Wait until the operation completes, then quit DU and return to the main menu.
Reinstall Lion: Select Reinstall Lion and click on the Continue button.
Note: You can also re-download the Lion installer by opening the App Store application. Hold down the OPTION key and click on the Purchases icon in the toolbar. You should now see an active Install button to the right of your Lion purchase entry. There are situations in which this will not work. For example, if you are already booted into the Lion you originally purchased with your Apple ID or if an instance of the Lion installer is located anywhere on your computer.

Early 2008 Mac Pro won't boot after installing 2nd DVD drive

All,
I purchased a Pioneer DVR-117D from Mac Sales and after installing it in my new refurbished 2008 Mac Pro it won't boot. My MP will boot if I remove the drive. According to the Mac Sales website this drive should work fine in my MP. Any ideas as to why this is happening. I literally just got my MP today and installed the drive. Is it the drive or the Mac Pro. Thank you all.

The drive was set to master, I switched it to CS before I left for work but haven't tried reinstalling it. I will try when I get back and let you know if it worked. Thank you again.

MacBook Pro (2011) 13 inch won't boot up

The computer will chime. The screen is grey with the apple logo. There is a status bar below the apple that takes about 5 minutes to get the end. Then the computer shuts down.
I tried the shift, option, command trick...doesn't work.
Also tried option,command, P, R. Doesn't work either.
Any ideas?
Thanks.

digidude101,
do you have the Early 2011 MacBook Pro, or the Late 2011 MacBook Pro? (If you’re not sure, what speed CPU does it have?) Which version of OS X is installed on it?

K7N420 Pro -- RAM issues -- won't boot/crashes

System info:
CPU: AMD Athlon XP 1900+
Motherboard Model: K7N420 Pro
Memory: (Varying, this is the problem, explained in post: but to begin with the system had 2 modules of 256MB PC2100 266mHz. Brand name unknown, some generic manufacturer. For reference's sake, the motherboard has THREE memory slots)
Video card: NVIDIA GeForce2 Integrated GPU, GeForce2 Integrated GPU, 32MB
Hard Drive: Western Digital 80GB
Other cards: None that I know of
Operating System: Windows XP Professional Version 2002 Service Pack 2
Power Source: Addtronics 300w (3.3v/18a, 5v/30a, 12v/9a)
Okay, so obviously we've got an old, old beast here.... But she's served me well, and I'd like to get a little more out of her. So here's the ongoing (very long, I'm sorry) saga:
The computer started doing crashing on me some time ago; lots of Blue Screens of Death, no error messages that gave me anything reliable to use for diagnostic purposes. Eventually it just wouldn't even manage to boot, each time would give me a BSOD. I opened the case up, checked for anything obviously visually wrong (blown capacitors etc), did a good thorough aircan dusting, popped out the two 256MB chips (let us call them Chip and Dale), and popped them back in.
This did indeed have a result- now we didn't even make it to the BSOD! All I got was a repeated ominous beeping and nothing coming onto the monitor at all. I then tried to put in only one chip at a time. Results: Chip works in slots #1 and #2, but not #3; Dale works not at all. (By "works" I mean the computer boots normally and runs normally, for at least an hour, the most I've tested it. Runs SLOW, of course, at 256MB, but runs. By "not works" I mean we get nothing on-screen, and the repeated ominous beeping.)
I presumed I had bad memory on my hands with Dale and that I needed new memory anyways, so I headed to Fry's and picked up two sticks of Patriot 512MB PC2100 DDR 266mHz-- the same specs as the old memory, excepting that it is 512MB instead of the 256. (According to Crucial.com, my motherboard's slots should each be able to support 512MB.) Let's call the Patriot 512 chips Bill and Ted.
Results with the new memory: Neither will work in slot #3. Logic dictates slot #3 is bad. Bill will work in slot #1 or slot #2. Ted will work only in slot #1. The computer will NOT boot if both Bill and Ted are occupying slots. (It also won't boot if Chip is occupying a slot and either Bill or Ted are in another slot.)
(Doesn't this sound like like one of those old logic problems where you have to sort out who owns which house?)
So the best I can get out of her right now is to stick Bill or Ted into slot #1 and proceed with the same 512MB that Chip and Dale used to give me back when they cooperated. However, new wrinkle: neither Bill nor Ted will get along with the computer for anything more than about a half-hour-- then, the computer crashes, tries to auto-reboot, and starts doing Black Screen and Ominous Beeping again. The RAM has to be popped out and put back in before it will boot normally.
*deep breath* I know that was long, thanks to anybody who read this far. Does anyone have any ideas as to what could be causing these problems and/or how to fix it? I've reached the end of all the knowledge I can put to work on this problem.
If I haven't been clear on anything, please let me know, I'll try to answer.

Hello,
Are you 100% sure that slot 3 is clean/dust free?
Memtest is a program that writes patterns to the memory.
The program then tries to recall the pattern(data) stored in the memory location.
If the memory is faulty the pattern(data) may have altered (goes corrupt) and the program will report an error.
Use just 1 stick at a time in slot 1.
Patriot Bill, let memtest run for say 3 hours.
If everything is ok you will not see any errors on the screen.
Then turn off and remove patriot Bill.
Insert patriot Ted into slot 1.
Run memtest again for 3 hours.
Again if everything is ok after the 3 hours it means that both Bill and Ted are ok.

HT201255 MacBookPro Early 2011 updated to Yosemite will no longer boot.

Hi All,
I had a Mac issue a few months ago where it started to work very slow, lagging, the turning ball kept appearing.
I backed up what I needed therefore, I care less about the data.
Since then, at some point I wanted to encrypt it but I believe I might have done something to it with an interruption. In any case it kept working and that bar started appearing bellow the apple logo.
Shortly after -> completely unbootable.
My troubleshoot so far:
1. Reboot -> nothing
2. Single user mode -> ran the shown commands and said the Drive is OK -> rebooted -> nothing.
3. Ran in verbose mode, saw several errors:
BUG in process suhel[perd[136 (and 139)]: over released legcay external boost assertions (1 total, 1 external, 0 legacy -external)
also saw in the work up of verbose _> error 107 rebuilding /system/library/Caches/com.apple.kext.caches/startup/kernelcache
Also a Warning: couldnt block sleep duringncache update
and Warning: proceeding without DlskArb
Previous shutdown cause -128
DSMOS has arrived
What else did I do:
Tried the AHT -> ran normal test and extensive test -> Both reported that there "are no troubles"
I tried Cmd+R and just R -> a few times I saw the spinning globe asked me for WiFi pw -> no success. Reboots and cant enter any GUI
Tried Safe Mode or Recovery where you have basic functions and DiskUtil -> I cannot even enter.
I have reset the NVRAM etc but no go
I made a Yosemite and Snow Leopard (My original OS) bootable USB Drives and tried booting from them -> it goes to a grey screen and nothing else from the Snow Leo
The Yosemite -> did not even want to boot up. It didnt found it once and then new USB found but not booted.
I believe I havent tried anything else but I am still unable to access my computer.
I do not have the original disks (Cant find them)
Oh, I tried with a Windows installation disk, just to see what might happen -> black screen.
Please, desperately need help. I have a VMWare OSX at the moment and several flash drives I can experiment with.

Previous shutdown cause -128
A negative shutdown code may indicate a hardware problem. The precise meaning of the codes is not publicly documented.
If you haven't already done so, you can try resetting the System Management Controller. Otherwise, or if the reset has no effect, see below.
Make a "Genius" appointment at an Apple Store, or go to another authorized service provider. You may have to leave the machine there for several days.
Back up all data on the internal drive(s) before you hand over your computer to anyone. There are ways to back up a computer that isn't fully functional—ask if you need guidance.
If privacy is a concern, erase the data partition(s) with the option to write zeros* (do this only if you have at least two complete, independent backups, and you know how to restore to an empty drive from any of them.) Don’t erase the recovery partition, if present.
Keeping your confidential data secure during hardware repair
Apple also recommends that you deauthorize a device in the iTunes Store before having it serviced.
*An SSD doesn't need to be zeroed.

MacBook Pro HD issues; won't boot to any drive; need to recover data

*Apologies in advance for the lengthy post. I just want to be sure I include as much detail as possible. Thanks in advance for reading all of this and offering any thoughts and suggestions.
I have a 13-inch late 2011 MacBook Pro running OS 10.7.
The computer recently began booting slower and slower until finally one day it did nothing but show the gray boot screen with the apple and a spinning circle and/or progress bar at the bottom. It won't do anything else. I assume it's the HD; no surprise there. What's killing me is that no matter what I do, I can't boot to any disk, internal or external, can't mount it in target disk mode, and can't repair it or recover data, which is a first for me with any HD. However, the computer still clearly sees the drive, and the drive sounds and runs normally (meaning no clicks; appropriate amount of whirs and such).
What I've done so far:
Reset PRAM — no help
Reset SMC — no help
Boot in Safe Mode — same result as regular boot: gray logo screen with spinning wheel
Disk Utility message:
Verify Disk — "Error: This disk nees to be repaired. Click Repair Disk."
Repair Disk — gets as far as "Checking catalog file" then shows "Keys out of order". Next is "Rebuilding catalog B-tree." Then "The volume Macintosh HD could not be repaired."
fsck — same as Disk Utility: "Keys out of order (4, 22016)", "Rebuilding catalog B-tree", then "The volume Macintosh HD could not be repaired." FILE SYSTEM WAS MODIFIED." ...over and over again
If I hold Option while starting the computer, it gives me only two drives to boot from, regardless of any other external HDs or flash drives I have attached: Macintosh HD (internal), and Recovery HD (internal partition). If I choose Macintosh HD, it's hit or miss whether it prompts the Disk Utility screen or just gray-screens forever. If I choose Recovery HD, it successfully runs Disk Utility every time. Here's the thing, though — if I attach an external HD, it doesn't see it during the initial Option-startup. However, from Disk Utility I'm able to select a startup disk from the menu to restart into. It sees the externals in there every time and lets me select them as startup disks, but upon restart it returns to the gray Apple logo screen with spinning wheel and/or progress bar at bottom. Sometimes it also sees the internal Macintosh HD here, but selecting that is useless. I can't actually boot from any disk, internal or external, running full OS or even just recovery software.
I've tried using TechTool Pro 8's edisk and ProToGo bootable drives, but again, the MacBook only sees them from Disk Utility only (not on Option-start), and I can select them, but it doesn't actually boot to them; it reverts back to gray screen.
I've installed a full version of OS 10.10.2 on an external hard drive, complete with DiskWarrior 4 on it, but same problem as above — it sees it in the "Select Startup Disk" menu, but not in the initial Option-start or successful reboot.
I've tried booting from a DiskWarrior 4 DVD using C-startup. It recognizes and spins the DVD from the get-go. Eventually it boots to it (after about 20 minutes or so of reading the DVD). I'm able to launch DiskWarrior 4 and start a rebuild. However, it goes all the way through "Step 6: Constructing optimized replacement directory... Overlapped files detected: 7 ...Step 7: Finishing construction ...Step 8: Reading from disc, one moment please..." and then the computer kernel panicked. This happened several times. I reset the PRAM again, then retried DiskWarrior DVD boot, this avoided a kernel panic and it got as far as "Comparing directories... Step 9: Recording any file or folder differences; 3,449,089,956 tests..." and then DiskWarrior and the computer both freeze and I have to force shutdown.
The drive will not mount to another laptop in Target Disk Mode.
Disk Arbitrator immediately sees the the faulty laptop HD, but won't let me mount or unmount it. It's just there, grayed out.
Data Rescue 4 is able to see the faulty laptop HD through Target Disk Mode, even though the drive itself will not mount to my desktop. I am able to scan the drive using DR4, and start a data recovery process. However, DR4 is dumping all recovered data into "User Defined" ai (Adobe Illustrator) files, which makes absolutely no sense at all. What's more, the files aren't able to be opened by any program. Even files that it hasn't recovered into ai files, like txt and mpegs, cannot be opened. I've tried recovering from both the drive itself and from a clone of the drive (made through DR4), with the same result each time.
So, all of that said, I guess my first question is what the **** is going on? The drive mechanically is functioning fine, but there seems to be an issue with its readability (and the directory/files?).
What's more, why won't this laptop mount ANY drive? I should be able to Option-boot into any drive, especially if the USB ports, drives, and OS's are all fully functional, right? Is there any workaround I'm missing? Even if the internal drive and data are just screwed, what's causing a total lack of mounting or booting of any drive, internal or external?

Holy crap, I got it to work.
Essentially, I just waited until DiskWarrior reached Step 9 and told it to skip the step before it had a chance to freeze. It skipped successfully, moved on, rebuilt and replaced the faulty directory files.
So far the computer is booting like normal, I can log in, and I'm currently copying all of the data to an external as I type this.
I still have no idea why the computer wouldn't mount or boot to any drive, but I guess I'll deal with that later.

Early 2008 mac pro won't boot from hdd when ssd is installed

I have Mountain Lion 10.8.3 installed on my 1TB HDD in my early 2008 mac pro. That is the only OS install on my mac. I have an OWC SSD formatted but left as an empty drive that I am trying to use but when it's installed my mac hangs on the blank gray screen.
My mac cold boots fine and runs fine when the SSD is *not* installed. When I shut down and put the SSD into a drive bay the mac does seem to boot ok the first time, but when the computer is off for a while it will not boot. It just hangs on the blank gray screen (no apple logo). As soon as I pull out the SSD, the computer boots fine and runs fine again. I am not trying to boot off the SSD, I am booting off the HDD. The correct drive (1tb hdd) is selected in startup disk.
OWC has been helping me and I have tested 3 SSD's. So it does not appear to be a problem with their drive.
The mac will boot into safe mode with the SSD installed. It will boot if I choose the boot drive with the option key at startup.
Mountain Lion was clean installed.
Could it be some sort of library pref or cache issue?
Any recommendations on what to try?

A HT does not find a lot of errors.
It doesn't look for bad sectors or directory or file problems.
Clone your SSD now that you have a clean OS and has the Apple updates on it. Before you make changes.
Install TRIM Enabler 2.2+ on it and any boot volume, to enable TRIM and so that Disk Utility's Repair Disk will trim cells. Mountain Lion Recovery won't which is a shame, so...
Clone and keep bootable backup clone of your system to use for maintenance.
A really bad directory on a system drive will cause interference from booting.
SSDs really need extra care, and even with TRIM, to be repaired from time to time and couple times a year, to do an erase and restore from a current image.
Of course Mac OS system even iwth apps is small and doesn't need to have any data or media and fits on 120GB usually just fine and still have a good enough amount free so TRIM and Garbage Collection can work properly and not get low on free pages. But 20GB free should be the minimum free, and better to have more, at least whatever total amount is written out in a month.

Mid 2011 Macbook Air won't boot after installing Little Snitch 3. Grey Screen.

Hi all
I think the answer is probably that my SSD is toast but here's the symptoms in case anyone else has experienced this.
I installed Adobe Lightroom and also got round to upgrading my Little Snitch license and finally putting it on my 11" Air (mid 2011, latest version of Lion) as I use the computer more often than my Pro. After restarting as LS requires I was met with the grey Apple logo screen with no spinning gear. I forced a shut down and started again, again the logo screen, no spinning gear. I tried booting in to safe mode and got only a grey screen, then I tried booting in to recovery mode and got the Apple Logo again. I also tried cmd + C and alt/option with an external DVD drive and Snow Leopard with no luck
Then I tried a SMC reset, after that I started up and only got the Logo again. I reset the PRAM and the main effect of that was to reset the system volume to max so now I can hear the POST chime but also since the PRAM reset I get only the grey screen and no further. I tried to boot from a USB Lion recovery but only the grey screen. I have also tried booting with cmd +S with no luck either. Internet recovery doesn't work either.
The keyboard seems to be completely unresponsive, the caps lock key doesn't light up at all and I've a feeling that it's either something as simple as a problem with the keyboard or the SSD is kaput. I think that Little Snitch is a coincidence as there's nothing like this anywhere on the web as far as I can tell with Google and there doesn't appear to be anything on these forums that quite matches, especially the part about not being able to use and alternative boot method.
Anyone out there got any ideas?
Cheers
John

Hi and thank you for your response.
The fans only kick in when the machine freezes.
I updated from Snow Leopard to Lion using the App Store. The install was successful and worked for about 30 mins then the unresponsive behavior started. Once I rebooted, I received the issue previously stated above (i.e., the trackpad and keyboard is unresponsive).
I've also tried booting using the Option key and choosing the Recovery Mode. Once in Recovery Mode the same crash happens (i.e., the trackpad and keyboard is unresponsive)

Format issues- won't boot from OSX disc

Help!
I've been having some issues with my iBook G4 recently (it seems every program will randomly quit unexpectedly and it's generally rather slow) so I was thinking I would just wipe the drive and start afresh.
But I can't seem to boot from the OSX install disc. There's an option in the disc itself to restart and that didn't do anything and pressing "c" while restarting still starts things up normally. I've tried zapping NVRAM, PRAM, I went through OF and did reset-all and set-defaults (I'm not even sure if that was necessary- I'm desperate!) and nothing will work.
Help, please!

In order to erase your internal hard drive, you have to be booted from something else. I think you could do this from another Mac in FireWire Target Disk Mode, but I have never done this myself.
http://support.apple.com/kb/HT1661
Is there a reason you don't want to use FireWire?
The biggest problem still seems to be that either your disc or your optical drive is not working properly. Even if you do succeed in erasing the drive, there is still the problem of reinstalling the OS. I think there are methods of doing this with FireWire Target Disk Mode, but I have just never done it myself, so I hesitate to give any instructions.
If you can, you might see if you can borrow an external optical drive and see if you can boot using that. If so, you can erase and reformat your internal drive using Disk Utility and reinstall the OS that way. If an external optical drive won't work, there may be a problem with your disc.
Good luck!

MacBookpro Early 2011 graphic issue won't boot

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