Computer locks up after displays fill with symbols

I am running Leopard on a 2006, 8GB Mac Pro. Today, little squares, made up of vertical lines, showed up all over both monitors and the computer froze. Any idea what is wrong?

Thanks for your reply. Your suggestion to look at the video card led me to where the problem was. I just installed a new ATI RAEDON HD 3870 Mac 512M card and the Mac is running fine. Also, I was having a problem with kernel panics, which is now solved!

Similar Messages

When I''m playing a video clip the computer "locks-up" after a few seconds - what can I do to fix it please?

When I''m playing a video clip the computer "locks-up" after a few seconds - what can I do to fix it please?

The latest is happening with the 12 little video clips sent to me by Apple entitled "Get to know your new iPad"
They run from 3 to 32 seconds and then "lock-up" on my iMac.
I don't have photobooth on my iMac
The link to the Apple promotion is :-
http://www.apple.com/ca/ipad/guided-tours/?cid=CDM-CA-DM-P0009300-160603-EN&cp=e m-P0009300-160603&sr=em
D

Computer locks up after an hour of being idle?

computer locks up after an hour of being idle

Please read this whole message before doing anything.
This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
The purpose of this exercise is to determine whether the problem is caused by third-party system modifications that load automatically at startup or login. Boot in safe mode and log in to the account with the problem. First, disconnect all wired peripherals except keyboard, mouse, and monitor, if applicable, and remove all aftermarket expansion cards. The instructions provided by Apple are as follows:
Be sure your Mac is shut down.
Press the power button.
Immediately after you hear the startup tone, hold the Shift key. The Shift key should be held as soon as possible after the startup tone, but not before the tone.
Release the Shift key when you see the gray Apple icon and the progress indicator (looks like a spinning gear).
The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin.
Safe mode is much slower to boot and run than normal, and some things won’t work at all, including your login items.
Launch the application(s) and test. Same problem(s)?
After testing, reboot as usual (i.e., not in safe mode.)

I'm having problems upgrading from 10.6.8 to Yosemite. My computer locks up after the download and installation process. Does anyone know how I can overcome this problem?

I'm having problems upgrading from 10.6.8 to Yosemite. My computer locks up after the download and installation process. Does anyone know how I can overcome this problem?

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.

Computer locked up after using boot camp

after trying to install windows on my mini mac, my computer locked up, black screen with the words "no bootable devise--insert boot disk and press any key

Hello, try this...
If 10.7.0 or later...
Bootup holding CMD+r, or the Option/alt key to boot from the Restore partition & use Disk Utility from there to Repair the Disk, then Repair Permissions.

Does the computer lock me after a certain amount of failed password attmepts, even when i finally have the correct password? recently changed root account password, but then forgot today and when tried again didn't work. if so, how long does lock last?

Ok. So I just changed my ADMINISTRATIVE ROOT PASSWORD the other day and when I tried to log in today I forgot it. I tried different variations of
the password I had set, because I wasn't sure if i had maybe set it in Caps Lock or used a different number in the sequence. I got the message several times
about "too many attempts, try again later". Does the computer lock me from signing in even with the correct password after a certain amount of failed
attempts? If so, how long does this lock last for? When can I try again? Or is there something I need to do to remove that lock now? I'm pretty sure I
had the right password finally but it still wouldn't accept it.
Also, I don't have any other administrative users set up on my macbook pro. I'm the only one who uses it, so I've always just used that original User from my
original setup.

giselafromclongriffin wrote:
Ok. So I just changed my ADMINISTRATIVE ROOT PASSWORD the other day and when I tried to log in today I forgot it. I tried different variations of
the password I had set, because I wasn't sure if i had maybe set it in Caps Lock or used a different number in the sequence. I got the message several times
about "too many attempts, try again later". Does the computer lock me from signing in even with the correct password after a certain amount of failed
attempts? If so, how long does this lock last for? When can I try again? Or is there something I need to do to remove that lock now? I'm pretty sure I
had the right password finally but it still wouldn't accept it.
Also, I don't have any other administrative users set up on my macbook pro. I'm the only one who uses it, so I've always just used that original User from my
original setup.
Do this:
1. Reboot
2. Hold apple key + s key down after you hear the chime. (command + s on newer Macs)
3. When you get text prompt enter in these terminal commands to create a brand new admin account (hitting return after each line):
(Type these commands very carefully)
mount -uw /
rm /var/db/.AppleSetupDone
shutdown -h now
4. After rebooting you should have a brand new admin account. When you login as the new admin you can change the passord on the old one.

Computer locks up after burning a music CD to Itunes

Just purchased a new Nano 8Gb IPOD,... loaded Itunes 8 updates to my PC,.... when I try to burn a CD to Itunes,.. at the end, the computer locks up,... the files will be transferred,.. but this is a real pain if it locks up after every CD...... Has anyone else experienced this?? I'm running Window XP, have the Version 2 Operating System. Any help is greatly appreciated.
Thanks!!!

the last time I tried to burn a cd from itunes, my system crashed and my optical (a new dual layer superdive installed less than a year ago) died... I haven't a clue what happened!
I ended up buying an external and though itunes recognizes it, when I try to burn an audio cd (mp4 to aiff), it goes through the entire process of 'seemingly' converting the files, the cd shows ALL the information, even when re-inserted into the drive... but there's NO actual information on the disc. It 'appears to play' but no sound comes out and there's no activity in the equalizer at all.
On external cd players, one player did the exact same thing and another just refused to even see the cd as readable.
I've also tried burning from Toast, which ALWAYS worked in the past, with the same result.
What's the point of purchasing music in itunes if I can't burn the music to cd?
has anyone been able to solve this?
thanks... namaste

My computer locked up after downloading the iTunes update

I downloaded the update from iTunes and now my computer is locked up.

Have you done a "hard reboot"? Press the power button and hold for 5-10 seconds till it shuts down and restart.
Worst case, unplug it. Let it set for 30 seconds, plug it back in and boot it up.

DME output file filled with # symbols

Hi All,
i'm setting up our PMW to produce a DME file which is sent directly to an address on our file server. this is all working fine and when i view the DME file using transaction FDTA the file looks fine.
However, when i view the file which is output to our file server, every character is followed by a # symbol.
How can i stop this?
thanks!
Phil.,

Hi See below for a copied and pasted extract
Directory: /usr/sap/interfaces/D2D/ACCOUNTSPAYABLE
Name: OUTGOING3259
#0# # # # # # # # # # # # # # # # # #0#1#W#B#C# # # # # # # #N#A#T#I#O#N#A#L# #F#O#O#D#S# # # # # # # # # # # # #3#4#7#7#2#4#G#e#n#e#r#a
#1#1#0#5#-#0#1#2#1#1#5#1#7#1#7#4#0# #5#0#0#0#0#0#0#0#7#1#5#0#M#e#g#a# #E#l#e#c#t#r#i#c#a#l# #(#S#A#)# #P#/#L# # # # # # # # #N#a#t#i#o#n
#1#0#1#3#-#4#2#3# # #8#1#9#1#8#6#8# #5#0#0#0#0#0#0#0#3#7#3#2#W#R# #&# #D# #W#e#l#l#s# #P#/#L# # # # # # # # # # # # # # # # #N#a#t#i#o#n
#1#0#1#4#-#0#0#2#7#7#5#4#1#9#4#9#9# #5#0#0#0#0#0#0#0#6#0#2#7#C#a#m#p#b#e#l#l#s# #C#a#s#h# #&# #C#a#r#r#y# #P#/#L# # # # # # #N#a#t#i#o#n
#7#9#9#9#-#9#9#9# # # # # # # # # # # # #0#0#0#0#0#1#6#9#0#9#0#0#0#0#0#1#6#9#0#9#0#0#0#0#0#0#0#0#0#0# # # # # # # # # # # # # # # # # #
I couldnt get the whole file in as it was too wide on the screen
thanks

Windows 8.1 keeps locking up after about 1hr of use.

For the past two days, my computer locks up after about an hour of use. It doesn't always freeze, sometimes it just moves incredibly slow. Every thing I try to click takes at least 5-10 minutes to load. My computerr is ASUS r500v, intel core i7,8gb memory,
1tb hdd.
At first, the computer would freeze in Google Chrome saying "waiting for cache" and after cleaning cache and trouble shooting for hours, I decided to uninstall google chrome. I am now using firefox. I try to run virus scans, but my
computer won't work long enough for that. When I do run one though, it gets 4 issues (i've cleaned two of them)
Ran "sfc /scannow" and it told me that it fixed some but not all of the issues. then ran "dism /startcomponentcleanup successfully. ran dism /restorehealth and it said "could not download source files"
Can anyone help me?

Hi,
For Windows 8.1 freezes, have we checked this KB article?
Windows 8.1, Windows 8 or Windows 7 hangs or freezes
For the dism repair, please refer this KB article, if we have an install disk available:
Fix Windows corruption errors by using the DISM or System Update Readiness tool
DISM.exe /Online /Cleanup-image /Restorehealth
Important When you run this command, DISM uses Windows Update to provide the files that are required to fix corruptions. However, if your Windows Update client is already broken, use a running Windows installation as the repair source, or
use a Windows side-by-side folder from a network share or from a removable media, such as the Windows DVD, as the source of the files. To do this, run the following command instead:
DISM.exe /Online /Cleanup-Image /RestoreHealth /Source:C:\RepairSource\Windows /LimitAccess
Note Replace the C:\RepairSource\Windows placeholder with the location of your repair source. For more information about using the DISM tool to repair Windows, reference
Repair a Windows Image
Please follow the steps listed in the KB article.
Best regards
Michael Shao
TechNet Community Support

DVD Pro 3 locks up after completing the format phase can anyone help?

I am very experienced with FCP & DVDSP3. However, starting this week my entire computer locks up after I start to burn a dvd in dvdsp3? I have tried everything I can think of please help. I have burned several dvd's using same footage. I thought maybe the disk were dirty (fingerprints etc.) I have tried several dvd's but nothing works. Help please!!

Yes the project was built by me. I have burned several copies from the same file. After about the 10 copy it started to freeze. My disk drive would keep running but it sounded as if it was stuck. The program stopped responding at this point. I'm using Apple DVDRW. I also tried using Maxwell (poor decision). Do you think it's the program or the dvd burner (hardware). thanks for the help.

Computer locks up transferring TCP/IP data to labview vi

Hello,
I am transferring data to a Labview v7.1 vi and the computer locks up after several minutes data transfer. The amount of data transferred is continuous for this time period. Are there suggestions for dealing with this issue?
Thanks,
Ron

Hello,
When you say your computer locks, does that mean just your VI or all applications?
It's possible that LabVIEW is consuming much of the CPU, especially if it's the only application running, and you don't have any timing/wait functions in a loop. In such a case you can imagine that code is executing as fast as possible, and if nothing else is running on the machine, it can appear as though things lock up.
Try using the wait until next ms multiple or wait ms function.
Best Regards,
JLS
Best,
JLS
Sixclear

HT4623 i updated my iphone 4s to the new ios 6.1.3 after installing it the device displayed itunes with a USB symbol and cannot come up. please any ideas

i updated my iphone 4s to the new ios 6.1.3 after installing it the device displayed itunes with a USB symbol and cannot come up. please any ideas

Do as the diagram indicates: Connect your iPhone to your computer. Open iTunes on the computer and restore your device.

I'm using Iphone 5 .After updating it with the latest software i.e iOS 7.0.6 I'm not able to see the wats app and imsg on my notification until and unless i activate the "Show on Lock Screen" which was not same as in the earlier software version.Help plz

I'm using Iphone 5 .After updating it with the latest software i.e iOS 7.0.6 I'm not able to see the wats app and imsg on my notification center when my phone is locked until and unless i activate the "Show on Lock Screen" under each application. which was not same as in the earlier software version.I dnt want my messages or watsapp msges to be displayed on home screen when locked but should be displayed on the notification center on lock condition.
Please suggest a solution or @Apple please get a software release which can remove this bug .

We aren't Apple, just users like you. Have you tried a reset? Hold down the home button along with the sleep/wake button until the screen goes black and you see the Apple, then let go. (No data loss)

Why did Apple decide there was no need to put a way of securing the new 15"retina with a computer lock?

why is there no way to secure the new MBP15" retina display with a computer lock?

maximutt wrote:
why is there no way to secure the new MBP15" retina display with a computer lock?
Because it's easy to cut through, so it's worthless.
This joker here used a too small of a wire cutter, there is a longer pair of wire cutters that could have cut the wire in seconds with more torque.
https://www.youtube.com/watch?v=88LVofiBl5A
Also likely what's been happening is people forget and walk off with the cable attached, thus placing great strain on the case when their tether runs out.

Computer locks up after displays fill with symbols

Similar Messages

Maybe you are looking for