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Computer forced to restart after changing resolution

M

MobiusPizza

Platinum Member
My display properties > Advanced > General > Compatibility setting is set to "Apply the new display settings without restarting" already

But for unknown reasons, changing the resolution ALWAYS bring out "Restart your computer to take effect" dialogue.

One thing that confuses me is that DirectX seems to be capable of swithing the resolution without restarting the PC; as I can run games at any resolution. Though after exiting the game at that resolution, my resolution stays at whatever the game resolution was and does not revert back to my original desktop setting; which is very annoying.

I am using a eVGA GeForce 6 Ultra with 77.77 driver installed. I have a Dell 2005FPW LCD monitor running at native resolution of 1680*1050 by default. The scaling setting had been set to "Monitor scaling".

I don't know since when I had this problem. I am sure this problem was nonexisitent not long ago. (I've only had this PC for a month)

The other weird problem is sometimes Direct3D fails to initiate. I've googled it and people's solution was to manually update windows driver instead of using the nVidia installer, and that solved my problem. I am not sure whether that has anything to do with the res change problem. Or whether the problem is hardware itself.

Sorry for the long post. Thanks very much. Please help me.
 
Check your drivers. Sometimes windows update tries to install drivers for you for your video card. They are never the right ones.

Many people dont install monitor drivers, but I always do. It helps not to use the default windows drivers for monitors.
 
Try using Driverr Cleaner for a clean install of drivers. Methinks you have a registry confilct. Go to guru3d to the download section. Might as well get the newest drivers while you are there. Follow the instructions to the letter for a clean driver install. You might have to visit the forum.
 
I would uninstall and use Driver Cleaner on EVERY hardware driver you have installed, then reinstall them all manually.

Also, if this problem didn't happen when you first got the PC, try and do a system restore back as far as you can. Sometimes something as easy as using system restore will fix software issues.
 
Monitor drivers are installed.

I did a clean install of the nVidia driver with DriverCleaner. I didn't not use the official installer, instead I followed the instruction in readme to manually tell Windows to find driver at the extracted Detonator 77.77 folder. Disabled Norton AntiVirus while doing so. Checked the version number after install, no problem so far.

I then changed resolution twice to check any problems, no problems.

Then I try a restart to check if problem is gone for good.

I fired up dxdiag tool after restarting; When I run the Direct3D test; it immediately failed after testing DirectX funtionality. I persume the reason is that it forced a resolution change to 640*480 full screen while doing it. Although it returned to desktop with default resolution right, all the subsquent tests failed. Error message was "Failed to create 3D device"



Damn this problem is getting on my nerves.

I do not want a reinstall of Windows as I just did that not long ago. I hate it...
I think the problem lies between the DirectX and nVidia driver. Shall I try an older version of the driver?
 
I thought I'd just bring an update in case anyone who is as unlucky as I am

Problem is solved and the root of the problem is identified.
First I'd talk about the additional problem I encountered.
Windows' system restore console failed to open, as well as the "Help and Support" centre. I suspect any Windows utility which make uses of html fail to work as well.

I did a reinstall of windows. Problem gone until I installed a system status monitoring program called Sysmetrix. I never had problem with it with my past builds. The aforementioned problems immediately appears after installing it and a theme I have for it. I am not sure whether problem originates from a bad;y scripted theme or from the program itself. An uninstall of the program does not solve anything. I was lucky that I created an image of my HDD just before I installed the program.

As a computer literate I am amazed by how a little program of totally unrelated nature can mess up a system like this. I can only say the Windows which contains millions of lines of code is too fragile.
 
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