Gray screen boot loop!

My early 2009 Imac is in the gray screen boot loop it just doesnt want to start up. I accidentily chanded disk permissions and now i cant even get it to start so that I can use disk utility or anything I dont even have the install boot dvd. please help

If you have access to a working Mac that's running the same version of the Mac OS, boot yours in Target Disk Mode by holding down the key combination command-T at the startup chime. Connect it to the working Mac with a Firewire cable. The internal drive will mount as an external drive on the other Mac. Repair permissions on it.

Similar Messages

Need help installing Leopard. Stuck with Gray Screen with looping circle!!!

I currently have Mac OS X 10.2.1 installed in my G4. Never upgrade since i got it. I purchased Leopard and tried to install it.
After I put the DVD in and clicked Install it restarted my computer. Then it started the installation process. 10 minutes later it stopped and said installation failed. Disk is dirty. I finally got the DVD and and tried again but all i got was the gray screen with the looping circle.
I tried re-installing 10.2.1 then try Leopard again. After asking me to restart my computer nothing happen. No installation process. Just a gray screen with the looping circle for over 10 hours. (left it over night)
What should I do? Can this be fixed? How can I install Leopard??????
HELP!!!!!!!!!!!!

Get out your Jaguar installer disc and boot from it. After the installer loads and you select your language the menu bar should appear. Select Disk Utility from the File menu. After DU loads select your hard drive from the list on the left then click on the First Aid tab. Click on the Repair Disk button. Wait until the repair process is completed. If any errors are reported that have been fixed, re-run Repair Disk until no errors are reported and the disk is pronounced OK. If DU is unable to repair the drive, then you will need something like Disk Warrior or TechTool Pro to repair the drive. Once your drive is properly prepared boot from the Leopard installer DVD. When you get to the point of selecting the destination drive click once on your hard drive then click the Options button. Select the Archive and Install option. Do not select the option to preserve the user folder and network preferences as these may be damaged. Click on the OK button and complete the installation. Be sure to use the same username and password that you use now for the admin account.
Your hard drive will not be erased and your old system will be saved in a Previous System Folder located at the root directory of your hard drive. You should then be able to transfer your personal data from the PSF to the newly installed system.
BTW, repairing permissions will not fix your problem.

On Gray screen boot up I get a filefolder with a ? in it. FLASHING!!

My macbook kept locking up. Then the next phase was when I would force quit and turn it off it sounds like it is going to boot up then no apple gray screen or wheel turning just a file folder with a question mark in it that flashes. I tried to boot up from a disk and reinstall OS X but it won't give me a destination to click to continue with the install. I also did the reset holding down PR and OPTION COMMAND. That worked one time then it just all started over again. Now I can't get the disc to come out and I am stuck on the install screen. Please help.

Almost the exact thing happened to me a little over a month ago. I checked with the install disk, which couldn't find my hard drive, and it turned out it was totally gone. Kaput. No way to recover my data, and my last backup was from July...
The Genius at the store was great, though - he gave me a new hard drive for free and installed Leopard for me while I shopped elsewhere.

Gray screen booting problem

I been having this Gray Screen problem since yesterday, my Mac is a MacBook Pro late 2011, I've tried everything (reinstall Mavericks 10.9.4, repair disk permissions, and even Safe Mode) but nothing has worked so far for my problem so today while looking for other solutions I used cmd + V and encountered the following screen and I don't know what to do because during single mode (cmd + S) I mounted the drive in read/write mode and tried to remove /etc/launchd.conf but it would only overwrite it.
I don't know what to do so could someone please help me, I really need my Mac for work

type:
sync
sync
sync
reboot
Mac OS X: Gray screen appears during startup

IPhone 5S Blue Screen Boot Loop iOS 8

Hi all
I've had my 32GB iPhone 5S for 5 months now. I installed iOS 8 when it came out, and have had no issues up until today.
Today while using my device, all of a sudden the screen went blue, turned off, and re-booted with the Apple logo. Was weird, but it was working again after.
About 20 minutes later, all **** broke loose. Now the phone is continuously looping from the Apple logo to the blue screen. I've tried plugging the phone into my MacBook but iTunes won't recognise it unless it's in DFU mode, in which I have tried restoring the phone through that and iTunes, only resulting in wasting about 10 minutes of the software loading onto the iPhone, then the blue-screen occurring and "Error 9" appearing on iTunes.
The other issue is as of last Sunday, I now live in Singapore. I normally would take my phone down to my local Apple store in Melbourne to get it replaced.
The phone has never been opened, repaired, etc. I had my original 5S replaced about 2-3 weeks ago by Apple Chadstone due to the screen clicking issue.
Any ideas/tips/advice? This is doing my head in.

Hi K.Dandr,
I apologize, I'm a bit unclear on the scope of the issues you are describing. If you are having multiple issues after updating to iOS 8, and the issues returned a couple days after a restore of the OS and your apps/data, you may want to make sure you have a current backup of your data in iTunes, then try restoring your iPhone to factory settings and testing it in that default condition to see if the issues persist before restoring your data. You may find the following article helpful:
Use iTunes to restore your iOS device to factory settings
Regards,
- Brenden

Just got my iPhone 5s at&t out of a blue screen boot loop how do i prevent this in the future?

My sister has had her iphone 5s at&t for a while. While using it would get stuck on the apple logo but would usually reboot and be fine within a minute. Today i just got stuck there and didn't go back to normal, so i decided to completely restore it (7.1.0) and after 10 tries of pluggin the usb in different ports and putting it in dfu and restore mode i finally got it to work. (9 of those tries it finished the restore then went into a blue screen and proceeded to show an apple logo with a loading bar that wouldn't move). Now i'm just holding on to it and probably going to take it to the apple store to get it replaced but it has no warrenty and im not prepared to pay 200 or more for a phone thats in perfect condition without a scratch(kidda stupid to charge a flat rate for every problem i understand if the phones glass is broken but for os problems). So is there any options i have rather than taking it to apple to stop this problem from happening.

OS X Yosemite: Use your Mac to make and receive phone calls

Intel iMac will not boot past gray screen

Intel iMac will not boot past gray screen
my system:
new (month old) 24" intel imac, 2.8 ghz, 4 gb ram.
running: leopard (upgraded from tiger, which was pre-installed at purchase), installed 10.5.1 update right before this huge problem occurred.
install discs on-hand: two-disc tiget set, single leopard upgrade disc.
what led to this:
i wanted to install windows using bootcamp on a 50 gb partition.
at this point i was running leopard 10.5
i followed all bootcamp instructions, printing out the guide, as well. once i got into the windows setup, i was prompted to choose a partition to install windows. unlike the bootcamp guide, which showed three partitions, one clearly labeled "bootcamp", i saw only one partition. not wanting to risk writing over my mac partition, i quit the setup and rebooted the mac os. after some googling around, i looked for firmware updates (didn't need any), and then software updates. i decided to try updating to 10.5.1.
i then ran through boot camp again, deleting my previous windows partition, creating a new one, and moving forward as before. once again, i was only shown one partition to choose from in the windows setup. i exited the setup again to reboot through the mac os, but this time, i was only given a blank gray screen.
here's what i have tried so far:
booting from a CD, holding down the C or D keys: no response (in fact, i have to restart the computer holding down the mouse button to be able to eject the CD)
booting with option key held down: gray screen
booting with option key held down with external bootable firewire drive attached: the firewire drive appears as a boot icon, and i can click on it within a five second window, but then the screen freezes after that time period, and nothing changes
booting into target mode while attached to another mac: gray screen (no firewire icon, and drive never shows up on other mac)
resetting NVRAM: i'm able to hear the boot chimes, but no difference in performance. gray screen every time
Safe boot: nothing but a gray screen
Verbose mode: gray screen
Single user mode: gray screen
Single user mode with firewire drive attached: occasionally (not every time), i am able to get the white on black terminal to show up. from here, i'm able to run fsck, but it appears to only be checking the firewire drive. i have tried several times to boot from here, and once it took me to a blue screen with movable arrow cursor, but it never went beyond this.
is there anything else left to try before taking it to apple?
any help would be greatly appreciated.
thanks,
Casey Burns
Casey Burns Illustration and Design
http://CaseyBurns.com

I'd call Apple support at this point. You'll need
to put this issue on the record.
Call U.S. iPod and Mac technical support: 1-800-APL-CARE (1-800-275-2273)
The wait may be long for an agent to come on the line
so expect that and have some other stuff to do in the meantime.
If you have the applecare protection plan, I'd ask about "onsite"
service.
I like your work ! Good luck !
Slim
Message was edited by: slimpikkunz

IMac Does not boot past Gray Screen

iMac does not boot past Gray Screen. 2008 24" Intel iMac running Mountain Lion with 1TB hard drive.
Problem started yesterday while I was web surfing, and my iMac frooze and shutdown. I rebooted and could only get as far as the gray screen.
On bootup the following things happen:
Startup tone
Gray screen with Apple, and gear spins below Apple.
Once the gear stops spinning, nothing happends.
Troubleshooting steps I have tried:
removed all devices connected to iMac and rebooted, but same symptons occur.
booted into Safe mode and run disk utilites.
     Disk Utilities found no errors on the drive, but did find two permission issues that it was able to fix.
          First permission issue:
                   "Group differs on library; Should be 0; group is 80"
          Second permission issue:
                    "Permissons differ on library; Should be drwxr-xr-x; They are drwxrwxr-t"
Disk Utilities says it fixes these issues and then I reboot, but get the same problem.
I reboot back into Safe Mode and run Disk Utilities and it discovers the same problems listed above with Permissions. It says it fixes them, I reboot, but the same problem occurs. Its as if we are stuck in some sort of loop process.
Booted into Single User Mode and ran the following command:
     /SBin/fsck -fy   it reports back, Volume Apprears to be ok.
I reboot, same issue !
Performed SMC Reset, Rebooted, same issue
Performed PRAM Reset, Rebooted, same issue.
Booted into Recovery Partitioin (Command R) and ran disk utilities. It found the same permission issues listed above. It fixed them. I rebooted. Same problem still.
While in safe mode, I preformed a full time machine backup.
I am out of ideas. Any help would be greatly appreciated.

Hello,
I reboot back into Safe Mode and run Disk Utilities and it discovers the same problems listed above with Permissions.
You can ignore repeated "fixes" it's not really a problem, if it says completed repairs that's all that's needed.
Luckily it boots in Safe Mode, here's basically the steps to try to find out what it is...
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts>Login Items window to see if it or something relevant is listed.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons
Though I'm suspecting some corruption to your OS at the moment.

IMac G5 boots to gray screen with Apple logo only

iMac G5 boots to gray screen with apple logo only.
What I've tried:
Won't boot to safe mode.
Reset PRAM several times.
Won't boot to install disk with "C" depressed at startup.
Will boot to screen showing HD and arrow buttons when "alt" depressed at startup. But clicking HD icon and proceed arrow just goes back to the gray screen with apple logo. Note the HD icon has a blue "x" symbol.
With install disc in, will boot with "alt" depressed at startup to three icons, HD, install disc, and apple hardware test. Both HD and install disc icons have the blue "x" symbol and won't run. BUT the apple hardware test icon doesn't have a blue "x" and runs. Extended test says all hardware OK.
Finally, startup in single user mode with "apple-s" depressed goes to a non-gui white text (UNIX core?) which gives blocks of repetitive text starting "unresolved kernal trap (cpu0)...(lots of date)...latest crash.....backtrace:" My rough guide to the Mac gives me text to enter at that point but I can't input to the screen.
That's where I'm stuck.

You're encountering a kernel panic.
[I got a black screen telling me I had to reboot in many languages, what was it?|http://www.dslreports.com/faq/4970] Also has detailed description of what happens during a KP.
[Apple docs: What's a kernel panic? (Mac OS X)|http://docs.info.apple.com/article.html?artnum=106227]
[Topic : kmosx: Kernel Panics? Don't panic too !|http://discussions.apple.com/thread.jspa?threadID=121923]
[X-Lab: Resolving Kernel Panics|http://www.thexlab.com/faqs/kernelpanics.html]
[Tutorial: Avoiding and eliminating Kernel panics|http://www.macfixit.com/article.php?story=20060911080447777]
[Tutorial: An introduction to reading Mac OS X crash reports|http://www.macfixit.com/article.php?story=20060309075929717]
[12-Step Program to Isolate Freezes and/or Kernel Panics|http://macosg.com/group/viewtopic.php?t=800]
[Texas Mac Man's post on kernel panics|http://discussions.apple.com/thread.jspa?threadID=1723768&tstart=0]
These are often attributed to hardware problems though they can also be due to corruption of software. Since you're also encountering it with your DVD I'd tend more towards the former. Your computer seems to be passing the early stage POST tests for RAM. Apple Hardware Test also seems to be passing but [X-Lab: The Apple Hardware Test|http://www.thexlab.com/faqs/aht.html] document recommends using this in loop mode to test for intermittent problems.
Sometimes the crash logs (all the error messages you are seeing) contain information about the problem, but there's an art to reading those.

15" i7 Macbook Pro from early 2011.takes the mac laptop two or three tries to boot successfully. It would turn on, show gray screen, shut down, turn on again, show gray screen, shutdown, and then turn on, show gray screen, before it can finally get

Hello All,
I have a 15" i7 Macbook Pro from early 2011. The past few weeks, it has been getting increasingly difficult to get on my computer. It takes the mac laptop two or three tries to boot successfully. It would turn on, show gray screen, shut down, turn on again, show gray screen, shutdown, and then turn on, show gray screen, before it can finally get to the dark gray log-in screen. Even when I finally get logged in to start working, thinking it would be okay now, it shuts down randomly.
I've ruled out the possibility of a software problem because I've just done a clean re-install of Mac OS X Mavericks on my computer just yesterday.
I did upgrade the RAM recently, about a month and a half ago, from 4GB to 16GB, I went to the apple store four days after that upgrade to have them do a hardware test, and clean the inside of my laptop, which helped with previous heat issues. When they did the hardware test, the hardware was all registered as fine from their system.
I've tried resetting the SMC, PRAM, and doing the internet recovery hardware test, but to no avail. I thought I could at least find out what parts needed to be replaced from the hardware test but it seems that when the hardware test is almost finished, the computer just shuts down, So I am unable to see the results.
My computer is also having battery issues, under battery condition, it says "replace now," parts have been ordered, waiting for arrival. But if the battery health is low, it should still boot up fine, it would just hold a significantly less charge.
Could this be a hard drive issue?
Has anyone had similar symptoms and how was it resolved?
Does anyone know what I can do to alleviate this issue?
I haven't had time to take it to Apple because I'm currently taking a 21 credit semester academically. I'm an art and design student so my computer is basically the bane of my existence. Help! Any constructive advice is welcomed!
Thank you so much for your input!
-Christina C.

Problem description:
The Hard Disk is failing.
EtreCheck version: 2.0.11 (98)
Report generated November 4, 2014 at 7:59:28 AM EST
Hardware Information: ℹ️
MacBook Pro (15-inch, Early 2011) (Verified)
MacBook Pro - model: MacBookPro8,2
1 2.2 GHz Intel Core i7 CPU: 4-core
16 GB RAM Upgradeable
BANK 0/DIMM0
8 GB DDR3 1600 MHz ok
BANK 1/DIMM0
8 GB DDR3 1600 MHz ok
Bluetooth: Old - Handoff/Airdrop2 not supported
Wireless: en1: 802.11 a/b/g/n
Video Information: ℹ️
Intel HD Graphics 3000 - VRAM: 512 MB
Color LCD 1440 x 900
AMD Radeon HD 6750M - VRAM: 1024 MB
System Software: ℹ️
OS X 10.9.5 (13F34) - Uptime: 0:3:43
Disk Information: ℹ️
TOSHIBA MK7559GSXF disk0 : (750.16 GB)
S.M.A.R.T. Status: Verified
EFI (disk0s1) <not mounted> : 210 MB
HDV4 (disk0s2) / [Startup]: 749.30 GB (712.10 GB free)
Recovery HD (disk0s3) <not mounted> [Recovery]: 650 MB
MATSHITADVD-R   UJ-898
USB Information: ℹ️
Apple Inc. FaceTime HD Camera (Built-in)
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
/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
Launch Agents: ℹ️
[not loaded] com.adobe.AAM.Updater-1.0.plist Support
[loaded] com.avast.userinit.plist Support
Launch Daemons: ℹ️
[invalid?] com.adobe.SwitchBoard.plist Support
[loaded] com.avast.init.plist Support
[loaded] com.avast.uninstall.plist Support
[loaded] com.avast.update.plist Support
[invalid?] com.perion.searchprotectd.plist Support
User Launch Agents: ℹ️
[invalid?] com.avast.home.userinit.plist Support
[loaded] com.google.keystone.agent.plist Support
[invalid?] com.jdibackup.ZipCloud.autostart.plist Support
User Login Items: ℹ️
None
Internet Plug-ins: ℹ️
AdobePDFViewer: Version: 10.1.1 Support
QuickTime Plugin: Version: 7.7.3
JavaAppletPlugin: Version: 14.9.0 - SDK 10.7 Check version
Default Browser: Version: 537 - SDK 10.9
User Internet Plug-ins: ℹ️
TroviNPAPIPlugin: Version: 1.0 - SDK 10.9 Support
Google Earth Web Plug-in: Version: Unknown
Safari Extensions: ℹ️
Avast Online Security
Trovi Search for Safari
3rd Party Preference Panes: ℹ️
None
Time Machine: ℹ️
Time Machine not configured!
Top Processes by CPU: ℹ️
      16% mds
      7% WindowServer
      1% loginwindow
      1% fontd
      1% com.avast.daemon
Top Processes by Memory: ℹ️
120 MB com.avast.daemon
86 MB Google Chrome
52 MB Finder
52 MB WindowServer
41 MB Google Chrome Helper
Virtual Memory Information: ℹ️
13.45 GB Free RAM
1.34 GB Active RAM
944 MB Inactive RAM
1.43 GB Wired RAM
1.11 GB Page-ins
0 B Page-outs

MacBook Pro mid 2010, gray screen at start up, boot from dvd not working.

Backstory:
I was in the process of installing Windows 7 using boot camp, but I was a little bit low on HD space. So, I deleted the user account that had a ton of stuff, and did some other crap that messed up my hard drive. So my computer just won't boot. It shows a gray screen 24/7, going into safe boot/safe boot + verbose doesn't fix the problem. I tried booting from an OSX Leopard dvd, but it won't work when I hold down C, and when I choose the Mac OS X Install DVD option after holding the option key, when I click the arrow button it freezes and doesn't boot. I have Lion installed, and apple says not to boot with an older version of OSX DVD, but there is no Lion DVD.
What do I do?
PS: I'm trying to boot using the DVD so I can reformat my hard drive, trying to do so in Recovery HD doesn't work because it says it 'Can't unmount drive'.

Rockswim,
did it do that only once, or does it do that every time you restart it?

My iMac G5 1.6 Ghz Won't Boot. Shuts Down at Gray Screen. HELP!

Hi guys. I need some help. I have an iMac G5 that seems to be having some serious problems. It is a 17" 1.6 Ghz w/ 1GB of RAM.
The problem:
• When I press the power button, I get the beautiful Mac chime, and the LCD turns on to the gray apple screen. I get the spinning gray bars below the apple, and then...it shuts down. Sometimes it doesn't even make it to the gray screen and it shuts down.
What I have done recently/tried.
• I installed iLife '06 and all the updates a day or two before this began.
• I reset the PRAM.
• I tried booting in safe-mode...no luck.
• I tried starting from the factory CD. The drive begins to spin, and then it shuts down.
When this first happened (yesterday), I started it in safe-mode, and everything looked ok. I zapped the PRAM, and then started it up, and once again, everything looked ok. That was last night. When I got home from work tonight, none of those things worked, and I am now looking for some help from you guys. Any suggestions? Thanks, in advance, for the help.
BTW, I think I'm running 10.4, but I'm not certain because I can't start it up to tell.

See if your machine falls under the parameters of power supply or video and power issues.
Please post back and let us know,
Miriam

Macbook Pro takes long to boot up, Freezes easily, Gets Gray Screen saying restart

I've had my Macbook Pro 13 since November 2010, I am still running Snow Leopard, never upgraded or anything. Since last March, my computer takes a long time to turn on, get to the screen where I log in. If I click anything when it gets to the screen right away, I can't click anything, the mouse moves, but nothing responds. I have to wait a good 15-20 minutes before I can click anything. I usually turn my computer on, and leave, come back 25-30 minutes later, and log in. When I have over 3 applications open, ex Firefox, MS Word, Spotify, my computer lags, and sometimes freezes. The freezes last from 30 seconds, to me having to restart the computer. Sometimes the computer freezes randomly when I'm just browsing. Around 70-80% of the time, when I play a video, using flash player like youtube, my computer lags, and after watching a video or 2, the computer freezes. Most of the time, the freeze stays frozen, and around 10 minutes later my mouse can move, but the screen is frozen, and the rainbow loading symbol starts. I just restart the computer. Sometimes, around once every 2 days, or sometimes it happens around 10 times in a couple of hours of me using the computer, my computer gets a gray screen that descends down the screen, it says in multiple languages that I have to immediately restart my computer by pressing the power button down and then pressing it again. Oh, and the bottom of my computer always gets really really hot when I use it.
It is a huge hassle, I can still use the computer, but I would love it if my computer was fixed.

I am still running Snow Leopard, never upgraded or anything.
What about updates? Check software update.
How large is your hard drive and how much hard drive space do you have left?
Shut down your computer and disconnect all peripherals (keyboard & mouse if pertinent) from your computer. Now reboot.
If the Mac starts up normally, shut it down again and then plug in one of the peripherals (keyboard or mouse first) and start up your computer again. If it does so successfully repeat the process, adding one peripheral at a time until your Mac acts up. At that point, disconnect the last peripheral you added, reboot your Mac and search the peripheral vendor's website for an updated driver.
If no driver exists or the problem remain after installing the new driver, try a different cable or a different port on your Mac.
If none of the above works, again disconnect all peripherals from your Mac, hold down the "shift" key to start up in "Safe Boot" mode.
If the Mac starts up correctly, restart without pressing the "shift" key.
If your computer still does not start up properly, shut it down and restart it while holding down the Apple+Option-P-R keys; keep holding "all 4 keys" down until you hear the startup sound "twice."
If none of the above work Disconnect all peripherals from your computer. Boot from your install disc & run Repair Disk from the utility menu. To use the Install Mac OS X disc, insert the disc, and restart your computer while holding down the C key as it starts up.
Select your language.
Once on the desktop, select Utility in the menu bar.
Select Disk Utility.
Select the disk or volume in the list of disks and volumes, and then click First Aid.
Click Repair Disk.
(If Disk Utility cannot repair, you will need a stronger utility (3rd party) - Diskwarrior or Techtool PRO)
Restart your computer when done.
Repair permissions after you reach the desktop-http://docs.info.apple.com/article.html?artnum=25751 and restart your computer.
Remove any 3rd party ram.
Reinstall Snow Leopard - This will install a "fresh" copy of Snow Leopard without archiving old system files but leaves the rest of your files in place.
Oh, and the bottom of my computer always gets really really hot when I use it.
User Tip: How to deal with MacBook Pro and MacBook heat?
Per your user manual: Do not operate your MacBook Pro on a pillow or other soft material, as the material can block the airflow vents. Never place anything over the keyboard when operating your MacBook Pro. Never push objects into the ventilation openings.
From MacBook Pro: Care, Use, and Safety Information
For prolonged use, place your MacBook Pro on a flat, stable surface. Do not place your MacBook Pro on your lap or other body surface for extended periods of time. Prolonged body contact can cause discomfort and potentially a burn.

My Imac is showing gray screen with red line when booting and restarts again

My Imac is showing gray screen with red line when booting and restart again, I can load it in windows 7 safe mode with red lines across the display, pls help

The graphic card is damaged. You can't do anything more than taking your computer to an Apple Store or reseller and getting your graphic card replaced.
Sometimes, when the graphic card is damaged, operating systems can't start. That's caused because the drivers that make the graphic card work detect an error, telling the operating system that the graphic card is unusable, so the operating system can't start and it restarts. However, you can start in safe mode because operating systems use a basic driver in this startup mode

I have a MacBook Pro 2008 with 17 inch screen. Experiencing a lock up when turning on power to boot up. While booting up it goes to gray screen with Apple logo and disc spinning icon running and doesn't go to my desktop. Any solutions to the problem?

I have an early 2009 17 inch MacBook Pro that just went on the fritz. When turning on the power it will go into boot up mode to the gray screen with the apple logo, then the disc icon will be running and will continue running, not allowing to proceed to my desk top screen. It's pretty much locked up at this point where I have to do a forced shut down by holding down the power button. I've tried everything that I know of such as taking battery out and pressing power button for 5 seconds and then reinstalling battery. I've cleaned inside of computer with compressed air duster in can as well as other key commands for resets. I've read that this is a common problem with the earlier MacBook Pros. Is this a problem that I can fix or does it have to be taken in for service? Any solutions to the problem would be greatly appreciated. Thanks!

This could be a software/state problem or a hardware problem. Here are steps to resolve the former.
http://support.apple.com/kb/TS2570
https://discussions.apple.com/docs/DOC-5282

Gray screen boot loop!

Similar Messages

Maybe you are looking for