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Graphics corruption after sleep.

Just got back to my MacBook after it had been asleep for a few minutes. Upon awakening it, I discovered that all shadows of all applications are just displaying as corrupted junk, and all Dock icons are also junked ! Mousing over the Dock with magnification on seems to fix the icons, but there's nothing I can do to fix application shadows.

This is the second time this has happened already - last time I put it down to running Virtue, but I don't think that's the case.

Also, simultaneous with the graphics corruption, system performance has got very laggy. Scrolling is a nightmare, and even typing is laggy.

What's the cause ? Bad graphics card - or maybe bad memory (I know the graphics uses main system memory) ?

I have 2GB of RAM coming in the post, so I"ll see if the problem goes away when it arrives...

Powermac G5 Dual 1.8, Mac OS X (10.4.2)

Posted on May 18, 2006 3:21 AM

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22 replies

May 20, 2006 11:50 AM in response to infinite vortex

But this is not the same situation....you iBook didn't have a graphics card that shares the memory with the CPU. I've run as little as iChat, Safari, and iCal and have gotten this...

I think that constitutes normal consumer use. If the graphics card system isn't a working and viable option with this amount of ram then something should be changed.

May 20, 2006 12:34 PM in response to austinbond

User uploaded file But this is not the same situation....you iBook didn't have a graphics card that shares the memory with the CPU

Ture, but if you add the 80MB that the GMA950 grabs to the 256MB that I have then that's still well below the 512MB that comes as standard.

I've run as little as iChat, Safari, and iCal and have gotten this

OK… have you considered that there's something else at play other than a direct lack of RAM. For instance, have you installed and system additions that requires Rosetta.

I think that constitutes normal consumer use

Sure it does and even with the integrated graphics 512MB should be enough.

Yes I do agree that 512MB is on the low side of things although if one sticks with Universal binaries this should still be enough for most poeple… even with GMA950. What one does need to be careful with is how they manage their systems in general. You just can't add additions, run Dashboard widgets etc with impunity like you can with more RAM. By the way, the only addition that been added to my iBook system is MenuMeters. Beyond that it's a plain vanilla system.

I'm not saying this is the case for you but you do need to consider that the problem may not be simply a straight lack of RAM.

May 22, 2006 8:59 AM in response to Andrew Rennard

http://www.johnwaller.org/apple/macbook/#ISSUES

This is one of the MAJOR issues that I have with the MacBook right now. I've been battleing with it so much I've come to the Apple Support site looking for answers. It seems that its related to the driver and not the card itself.

The problem occurs when I put the MacBook to sleep (by either it doing so on its own or closing the lid).

So, suggestions?

MacBook Mac OS X (10.4.6) 13.3" Black, 80gb/512/DVDRW

May 22, 2006 10:10 AM in response to pinkeye

Yes - take the battery out, and remove the plate covering the memory chips. Pop them out using the levers, and re-insert them, pressing hard. This will check that they are seated properly.

Next, take them out and put in a pair of 1GB chips or a pair of 512MB chips - not only will this probably cure the problem, the speed difference is like having a completely different machine.

I had multiple, severe symptoms in the first day of use - hard crashes, the lot. I upgraded to 2GB and in several full days of usage I have not had a single problem ! I cannot stress enough that you need more than 512MB of RAM in the MacBook. 512MB is like buying a Porsche and then sticking budget tyres on it !! Spend the (relatively) little extra amount of money to get some 3rd party RAM.

Graphics corruption after sleep.

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