Question about Dell Dimension 4600 PC Desktop

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My monitor gives 16-bit color at 640x480, but will only offer 256 colors at 1024x768 -- and only displays 16 colors when I select that... In order to access resolution options, I have to go into Advanced Settings under Display Options, then click List All Modes... and choose one of the following: 1024 by 768, 256 colors, default refresh 640 by 480, 256 colors, default refresh 800 by 600, 256 colors, default refresh 640 by 480, high color (16 bit), default refresh 640 by 480, 16 colors, default refresh When on 640 by 480, high color, I am indeed given 16 bit color depth and low resolution -- at the cost of most applications extending beyond the edge of the screen. When I go to 1024 by 768, 256 colors (or any 256 color option, for that matter), however, I am given high resolution and only 16 colors. I've tried uninstalling the monitor and reinstalling the drivers with no success... How do I at least get the promised 256 colors in high resolution? Dell Dimension tower, 2.53 GHz processor, on-board video, Windows 7... if I've missed any important specs, let me know.

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  • vincentjc200 Aug 02, 2011

    I tried that, didn't help... then I went into BIOS and found out my video buffer was only set to 1MB. >.< Changed it to 8MB, and now I've got 32-bit color at 1280x1024. I appreciate your help either way, thank you.

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The monitor has no influence here - something is wrong with your video card: either its driver is missing (or corrupted) or the video chip has failed.
Uninstall all the drivers for the video(except the generic VGA one), from Programs and Device Manager
http://pcsupport.about.com/od/windows7/f/open-device-manager-windows-7.htm
and reboot several times then go to Dell
http://support.dell.com/support/downloads/index.aspx?c=us&cs=19&l=en&s=dhs
select your pc and get the correct driver.
If that doesn't fixes it then the video chip has failed, you will need to buy a new video card.

Posted on Aug 02, 2011

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