Turned on computer all I get is gray screen

TTurned on my iMac all I get us a gray screen green stripes vertical then spinning wheel then goes to all gray screen nothing can't do anything on my computer I have rebooted 4 times and nothing please help

Not sure what version of OS X or which iMac you have...?
But for starters, work thru the steps at > Mac OS X: Gray screen appears during startup

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Snow leopard on shut down doesn't completely turn off computer I just get a blank screen but the curser is still live

I have just installed snow leopard on my Mac Pro (v10.5.8) on trying to shut down on the apple menu it doesn't completely turn off computer, I just get a blank screen but the curser is still live and I have to hold down the power button to force a shut down.

Try quitting all applications before shutting down. One may be hanging and preventing a normal shutdown.

TS2570 All I get is gray screen on start up

All I get is gray screen in start up

Reinstall OS X without erasing the drive
Do the following:
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. 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 installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install the Combo Updater for the version you prefer from support.apple.com/downloads/.

Tried installing Windows Vista, cancelled install and now it won't boot from the OEM Vista DVD, all i get is BOOTMGR is missing error... Ctrl Alt Del to restart and when i turn the computer on i get a blank screen and pressing C is not working to boot....

Topic says it all...
My friend started a installation of Windows Vista, but pulled out after deleting all partitions...
So now i power it on, get a blank screen (seems a bit gray because of backlighting, should show the apple logo right?)...
Then after like 15-20sec it will throw out a:
BOOTMGR is missing
Press Ctrl+Alt+Del to restart
I have a OEM Windows Vista DVD in the drive, and i know... Windows 7 is better... but i'm not that fond of stealing software from Microsoft and i have 10 licenses for Vista...
I have tried pressing C while booting up but it doesn't work...
Does anyone here have a magic soloution for me, and no i will not install MacOS on it !!!

Deleting Boot Camp partitions the conventional way will not work . You must use the Boot Camp Assistant to remove a Boot Camp partition. Here is a link to the guide.
http://manuals.info.apple.com/en_US/Boot_Camp_Install-Setup_10.6.pdf
The way to restart is to hold down the option/alt key during startup* and then selecting the Mac OS. If you have a valid Boot Camp install of Windows it would show up during this type of start up.
* hold down immediately after pressing the power button and until the OS choice screen appears.
To summarize.
1 Use the above method to boot into Mac OS.
2 Download the instructions and read them.
3 Use Boot Camp Assistant to remove the partition.
4 Pick your friends more carefully.

IMac 8.1 3.06 GHz w/6 MB Ram, Lion and dead HD? all I get is "Gray Screen w/wirlie gig" but now for a new twist a circle with a diagonal line, like don't go. Is this a DEAD HD?

          I have a iMac 8.1 3.06 GHz w/6 MB Ram, and was running Mac OS X 10.6.8. My 500 GB WD5000AAKS was about 90% full. I had an issue with the admin password, it would not accept any of my known passwords. I ran for a while on the fingerprint reader I had, we have two users on the machine in our home. I tried many attempts to fix this problem without success I came up with a plan. That plan was a new HD, used a 2TB Samsung. plan worked like a charm. Installed a 4 GB Ram Chip and the new Samsung, formatted it, loaded Snow Leopard, and loaded what was on my Time Machine backup all was good.
          This was early July, then Lion was available I was happy with what I had, I had 1.450 TB of free space. So, what the heck, lets spring for Lion, that even went well for a not even 2 weeks, enough that I had several Time Machine backups.
           Then monitor goes flash, flash then I try a re-boot same gray screen with whirlie gig that I had when the the HD in my MacBook Pro died. Put the old 500 GB WD back in and all was fine, ran for a day. It was OK except back to no password and full. Went down to my local computer shops here in Rayong Thailand and sprung for a New 2 TB WDXXX, put that in, used my Snow Leopard disk to format and load OS X 10.6.8. I though that all was good, the load from Time Machine was slow and the time remaining was changing all the time, took about 3 hrs for about 300 MB that where on the LaCie.
          Now I have a password issue, however it asks for a password reset that it will NOT take and I don’t even get that now. All I get is the infamous “Gray Screen w/wirlie gig” but now for a new twist a circle with a diagonal line, like don’t go. Is this a DEAD HD? I plan to re-install the old 500GB just to systems check and if all is well I will take the “NEW” 2 TB WD back for replacement. I am thinking that I should put the new HD in and format and load Snow Leopard then up date to Lion then do my Time Machine backup. The only problem is does the circle with the diagonal line mean something more? If so how does one recover Lion with no disk if that is what I need to do. Yes, I have tried control “R” on boot, nadda, no response, “mai dee” no good. Ideas, please.

I have an iMac 8, 1 that I upgraded Leopard to Snow Leopard. It was totally updated with the latest from Apple when I bought and tried installing Lion. The upgrade failed, shot my OS and I couldn't boot. Had the constant spinner on a grey screen.. did a format of the drive, hdd repair and everything came back clean... got back to Snow Leopard and all the updates on it again and then retried the Lion thing... same bs... dead duck. Crashed my system one too many times. I can't see where a few small changes, mostly app related can be classified as an OS upgrade and is not compatible with my iMac. I have the stuff running on my Mac Pro but have yet to notice anything impressive. I've always used F3 and really didn't require Mission Control. Just open you app folder for launch pad... duh? I use the hot corners anyhow. As far as Safari is concerned... as a power user, Apple missed the boat on that for me.. full screen etc.. Wow. I don't like the new Mail either..
As you can see/read, I'm less than impressed with this release from Apple but I own so many of their products that I will have to put up with it for now... somehow the MS logo should apply to this release Steve.

My MacBook Pro won't boot on the Mac side I get the gray screen and then halfway through the bar loading it turns off?

My MacBook Pro was downloading apps from iTunes and I shut the computer down at my I laws house or so I thought? When I pulled the computer out of my backpack it was still on? I tried to login and it kept spinning so I turned it off and now I only get a gray screen. I can boot it in the windows side and have an external hard drive with time machine backup on it but don't know how to load it without getting onto the Mac side?
Please help!

turn off the mac completely
as soon AS you hit power button press following 4 keys
Option + Command + P + R
that should reset it

Hi- I am having an issue- When I turn my computer on- I get the message "Bridge has encountered a pr

Hi- I am having an issue- When I turn my computer on- I get the message "Bridge has encountered a problem & is unable to read the cache- try purging central cache in cache preferences to correct situation" When I open Photoshop CS5 it say "repousse file is bad or corrupt" "the material file is bad or corrupt" Also all of my actions have disappeared - even the default actions... HELP because as of now, no one has any answers except to buy a support contract....
I use windows & the problem is with photoshop cs5

First Aid is to reset preferences. Hold down the Ctrl key and Start Bridge. You will get a reset window with 3 options. You can choose all 3.
If you moved files or used a registry cleaner you many have lost links. In that case the Cleaner Tool and reinstall is recommended.

I have a MacBook pro. When I turn it on all I get is a grey screen with a small grey spinning thing under the apple. What can I do?

I cannot turn on my MacBook pro. When I turn it on all I get is a grey screen with a grey spinning thing under the apple. Can anyone help?

Reinstall OS X.
Reinstall Snow Leopard without erasing the drive
1. Repair the Hard Drive and Permissions
Boot from your Snow Leopard Installer disc. After the installer loads select your language and click on the Continue button. When the menu bar appears select Disk Utility from the Utilities menu. 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 installer.
If DU reports errors it cannot fix, then you will need Disk Warrior and/or Tech Tool Pro to repair the drive. If you don't have either of them or if neither of them can fix the drive, then you will need to reformat the drive and reinstall OS X.
2. Reinstall Snow Leopard
If the drive is OK then quit DU and return to the installer. Proceed with reinstalling OS X. Note that the Snow Leopard installer will not erase your drive or disturb your files. After installing a fresh copy of OS X the installer will move your Home folder, third-party applications, support items, and network preferences into the newly installed system.
Download and install Mac OS X 10.6.8 Update Combo v1.1.
====================================
Reinstall Lion, Mountain Lion, or Mavericks without erasing 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
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 then click on the Repair Permissions button. When the process is completed, then quit DU and return to the main menu. Select Restart from the Apple menu.
Reinstall Mountain Lion or Mavericks
OS X Mavericks- Reinstall OS X
OS X Mountain Lion- Reinstall OS X
Note: You will need an active Internet connection. I suggest using Ethernet if possible because it is
three times faster than wireless.

HT1750 Imac wont load after turning it on, all i get is a blue screen. Serial number: W8*****X85

imac desktop wont load after turning it on, all i get is a light blue screen. I ve tried to unplug the computer and wait awhile before turning it back on but i still get the light blue screen. Please help
<Edited By Host>

Start up using your original install discs by inserting the disc and holding the C key while rebooting. Run Disk Utility to repair the drive and restart. If everything goes ok run Software Update again.

My computer will not start up. It powers up I get the gray screen with the apple and get the loading progress bar it loads to 25% and the screen goes black

My computer will not start up. It powers up, I get the gray screen with the apple, then the loading progress bar starts loading to about 25% the the screen goes black. what can I try to get my computer up and running?

Carolyn Samit wrote:
iMac, Mac OS X (10.7.1)
Use Command + R for Lion Recovery
Try restarting, when you hear the startup tone hold down the Option key. Then choose the Recovery Partition.

My Mac book won't turn on. All I get is the apple logo and a loading icon and bar, then it just shuts down. What do I do?

My Mac book won't turn on. All I get is the apple logo and a loading icon and bar, then it just shuts down. What do I do?

What OS are your running?
Mavericks 10.9.4 boot into recovery and run the DiskUtility >Repair Disk
Recovery http://support.apple.com/kb/HT4718

Most of the time when I turn computer on I get the white screen and question mark. Sometimes it will turn on and work but often the spinning disk starts and especially when opening Iphoto and it generally freezes

Most of the time when I turn on the Mac I get the white screen and question mark appear. Sometimes it will turn on and work. But often the coloured spinning wheel starts up especially after trying to use iphoto it freezes and a couple of times the screen has then gone black. The computer seemed pretty warm yesterday when this happened.
Any suggestions of what I should do to fix it would be greatly appreciated.
Kate

See this on the question mark when you start up: http://support.apple.com/kb/TS1440?viewlocale=en_US
See this on the spinning beach ball: http://www.thexlab.com/faqs/sbbod.html

On my macbook when I turn it on I get this gray screen with a circle that has a slash through it

When I power/turn on my macbook with the power button I get this gray screen that has a circle with a slash through it. It then stays on this screen so i hit the power button to shut off and then turn back on and its there again then i power off and on one more time and it then powers up like normal and brings me to my login in screen where you type your password to sign in.

The MBA is trying to tell you that it is not able to find a bootable system
Either the file is corrupt or access to the storrage has failed
I would start by seeing if it will boot with Command + R depressed

TS1411 my desktop Mac OS X is not starting, I get the gray screen with the apple logo and a bar below and then shot off by itself.

My Imac is not starting , I get a gray screen with the logo and a bar below and about one minute the bar desapier and shot off by itself. I try evething that I can think of and not luck. I did disconect all accesories and still the same, I use the start up disc and same.. now I can not get the disc out.
Please advise what I need to do to solve the problem. Recently this computer was upgraded from 10.4 to Mountain lion and add more memory.

Thanks for your help.
Same thing happen when I hold the button, it idle for a while and then turn off by itself. Any more suggestions?
I got the disc..

I am not able to access the "Settings" on my iPad 3. I just get a gray screen for about 30 seconds and then the app shuts down. I am also unable to access the App store, iTunes, or any app requiring an internet connection. Any thoughts?

I am not able to access the "Settings" on my iPad 3. I just get a gray screen for about 30 seconds and then the app shuts down. I am also unable to access the App store, iTunes, or any app requiring an internet connection. Any thoughts?

First, try a system reset. It cures many ills and it's quick, easy and harmless...
Hold down the on/off switch and the Home button simultaneously until the screen blacks out or you see the Apple logo. Ignore the "Slide to power off" text if it appears. You will not lose any apps, data, music, movies, settings, etc.
If the Reset doesn't work, try a Restore. Note that it's nowhere near as quick as a Reset. Connect via cable to the computer that you use for sync. From iTunes, select the iPad/iPod and then select the Summary tab. Follow directions for Restore and be sure to say "yes" to the backup. You will be warned that all data (apps, music, movies, etc.) will be erased but, as the Restore finishes, you will be asked if you wish the contents of the backup to be copied to the iPad/iPod. Again, say "yes."

Turned on computer all I get is gray screen

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