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Windows update causes Philips LCD monitor issue

churcher
churcher asked
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Last Modified: 2007-12-19
AMD Athlon XP 2.7+
1 GB SDRAM
GeXcube ATI Radeon 9800 XT
Philips Brilliance 150P4 LCD monitor

On a whim today, I decided to visit Windows Update and install a few driver upgrades.  From memory, I installed the AMD, Realtek and Philips monitor upgrades.  There was an ATI driver one there but I'm always a bit wary of video driver changes, so I didn't install that just yet.

Of course I was asked to reboot, and of course I said yes.  Boot-up proceeded as usual, with the Windows XP logo and progress bar displayed.  Then, at the point where the login screen is normally displayed, I got a blank screen, then... "No video data" which is what the Philips monitor usually displays at boot/reset time before the video card wakes up.

Then the monitor goes into sleep mode.

I rebooted into safe mode, I can get a display fine.  However, every time I try to boot into normal mode I get to the point where the login screen should be displayed, then blank.

I know that Windows is booting properly. I happened to have the password setting off for my main account, so it loads up without user input.  I have a few apps on startup that play sounds, and I can hear 'em start... just can't see 'em!

I blame the monitor driver update.  The Radeon card is new, but it's been working just fine for the past 48 hours and this problem occurred IMMEDIATELY after I visited the Windows Update site.

So, can I force a driver downgrade for the monitor somehow?  I looked at Display/Settings/Advanced/Monitor while in safe mode, but the 'Properties' button is greyed out so not much use there.  System/Device Manager yields no useful info, as the monitor does not appear on the device list.

I have an appropriate driver (I think) from the Philips web site, just need to know what to do to convince Windows that I need to 'reinstall' the monitor.
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Commented:
Always helps to write it down, I guess -- solved.  Went back and tried installing the ATI driver upgrade, and now all is well.  Odd that one wouldn't work without the other, but there you go.
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