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Black Screen on Reboot After Install XP on 27 iMac - SOLVED

2789 Views 3 Replies Latest reply: Dec 8, 2009 11:03 PM by marcus.sg RSS
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Dec 2, 2009 1:27 AM
Hi,

I installed Windows XP on my brand new 27 inch iMac with ATI Gfx card today, but when it came to rebooting after installing the drivers from the Snow Leopard DVD, I was met with a black screen after the initial Windows splash screen and XP jingle at the loading desktop stage..

As I formatted my partition as FAT32 I was able to navigate to the following directory and move a file (by drag-command-dragging) from the XP filesystem to my OS X desktop:

BOOTCAMP: > WINDOWS > System32 > drivers > ati2mtag.sys

No more Black Screen..

However there seems to be another , possibly unfixable problem in that XP doesn't support the 2560 x 1440 display of the 27 inch iMac, hence, visual distortion (everything looks squished). Fine if you want to use something light, but if you're needing accurate aspect ratio display like me, looks like you're screwed as far as XP goes and will need to upgrade to W7.

The screen re-draw is also pretty crappy when you drag windows around the screen, but with my limited testing, movie playback is fine. Not being a gamer, I haven't tested any.
iMac 27 inch ATI 4670, Mac OS X (10.6)
  • The hatter Level 9 Level 9 (58,535 points)
    You are aware there are tips and fixes posted for this? or you stumbled on a solution... but booting Windows in Safe Mode and using Drive Sweeper 2.10 etc?

    Have you tried to install the latest ATI Catalyst? maybe that alone will give you your screen real estate.

    Windows 7 does have better multi-core and memory management.
    Mac Pro 8800GT 10K VelociRaptor, Mac OS X (10.6.1), Windows 7 i7 3.2GHz GTX 260-216

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