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Blank monitor (only) in normal mode


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#1 booky56

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Posted 19 September 2009 - 04:27 PM

System info: Dell Inspiron desktop, model 531, running Vista (yeah, I know). Monitor is a Westinghouse LCD.

So I'm on-line watching mindless crap on youtube, and my screen goes blank and flashes a "no signal" message, though my computer is still on. So I reboot; as it's shutting down a blue screen o' death flashes by too quickly to read, though I did note the phrase "attempt to reset display driver." The boot proceeds and I still get a blank screen. So I reboot in safe mode . . . and everything is fine.

Then I tried a system restore, and booted in normal mode: another blank screen. So I once again boot in safe mode and, since I have no idea what else to do, I contact the Dell support desk (the machine is only 3 months old). The guy installs a new video driver; the problem persists. He then tells me to run a diagnostic on the video card and they'll call me the next day. I run the diagnostic. It says the card is fine, which isn't really surprising given that the monitor works in safe mode.

So . . anyone have any ideas? Clearly something that happens in the normal boot but not the scaled-down safe boot is doing something naughty, yes?

Anyway, any suggestions would be greatly appreciated.

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#2 hamluis

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Posted 19 September 2009 - 06:57 PM

Try uninstalling the video drivers...and then reinstalling them after a normal boot.

By uninstalling them, you force the system to use the native XP drivers initially (which seems to work).

If/once the system boots, then you can install new video drivers from the CD which came with your system/motherboard. The ones currently installed may be damaged and just be creating problems when you attempt to install on top of them.

Louis




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