Mac OS forum

Question

mac osx 10.5 green screen

by jcjetson / May 1, 2011 9:04 PM PDT
i woke up to a green lined screen running through my desktop. researched it and was told to safe boot. great results, but no sound. did hardware test. nothing wrong. reinstalled leopard. no luck. green screen again unless i safe boot. now my safari keeps quitting. firefox so far is ok. any help out there ?
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Clarification Request
You would seem to have something that
by mrmacfixit Forum moderator / May 1, 2011 9:49 PM PDT

is messing with the OS and that does not run when you do a Safe Boot.

All Answers

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Answer
My guess
by Jimmy Greystone / May 1, 2011 11:30 PM PDT

My guess would be that the video card on your system is going. One of the things Safe Boot does is disable hardware accelerated graphics. Since even after a fresh install of the OS you had the same problem, it pretty much rules out software, unless you restored from a time machine backup, in which case you'll need to make sure you go one by one through any programs that start with the computer.

Then, you don't mention what the system is, so hopefully it's still under warranty. If not, then you could be looking at anything from a fairly reasonable repair cost to replace the graphics card in a Mac Pro (and if it's a 2007 or 2008 model Mac Pro, with a GeForce 7300 or ATI Radeon HD 2600XT there are extended repair programs which you can get them replaced for free) to a somewhat less reasonable replacement on an iMac, to a just buy a new computer level on everything else.

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