Re: Screen resolution changing to unsuported screen res during Start up - blank screen???
- From: "3c273" <nospam@xxxxxxxxxx>
- Date: Wed, 15 Aug 2007 13:29:36 -0700
See my earlier post for resetting your resolution "in the dark"
Watch the wordwrap.
Read the entire process first, then practice in safe mode, making
adjustments to the instructions as needed. I wrote this for Windows 2000 and
I believe there is one less tab on XP.
"rj" <scabbycat1@xxxxxxxxxxxx> wrote in message
hi, I'm trying to fix a problem on my girlfriends computer - XP Homeunsupported
During boot up something is changing the screen resolution to an
screen resolution such that the screen goes blank. Of course I can't doany
troubleshooting because the screen is blank. Any ideas how I can fix thisit
without a having to reinstall the system because she only has dial up
internet and it's very hard to update her system after a system install?
1. System Restore - I started the computer in Safe Mode and tried System
Restore. However, the System says System Restore was not enabled and could
not be enabled in Safe Mode. I tried enabling System Restore by enabling
in the registry using Regedit but this did not work and I'd get the sameand
2. Registry screen resolution default setting. - In Safe Mode I located
set the DefaultSetting.XResolution DefaultSetting.YResolution to a knownstart
working resolution but when I'd restart the computer, the windows splash
screen appears and then the desktop appears for about 5 seconds in the
modified resolution but then the screen goes black. I restarted the
computer in safe mode again and the DefaultSetting.XResolution and
YResolution had been changed back to the invalid setting.
So, it appears some program, virus, whatever is starting up during the
up process and is changing the screen resolution to an unsupported settingvirus
causing the screen to blank and because it's blank I can't do any trouble
shooting. (they use AOL virus security which I don't know anything about
and because they have low speed internet she doesn't often update the
files so even if I could run the AOL virus scan software in Safe Mode, II'd
dont know if her virus files are up to date)
I don't want to reinstall the system from scratch. So Any ideas how I can
enable system restore in Safe Mode to reset the system to an earlier time.
Any ideas how to determine what process is changing the screen resolution
during start up BEFORE it runs to cause the screen to go blank? If I knew
what program/process was starting to change the resolution, I could delete
the file in safe mode.
I suppose I could write a program to programatically change the screen
resolution and add this program to the Startup folder and hope the program
runs AFTER whatever is changing the screen resolution to an usupported
1. Is there a way to ensure a program could be started LAST in the startup
2. Is there a way to programatically change the screen resolution via a
batch file or something? If so what instructions would I use. Otherwise
have to find and install a C or C++ compiler or something to create an
Thanks for any advice
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