Question about Dell Dimension 2400 PC Desktop

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I have a Dell 2400 it starts up fine but after about ten minutes the light turns from green to yellow and I lose any picture it reminds me of a sleep or hibernation mode but I know it does not have that. Any help would be nice.

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Is this light on the computer, or on the monitor?

I suspect that it happens when you try to watch a movie or listen to music - something that doesn't involve typing on the keyboard or using the mouse? If so, then your computer goes to suspend mode. You have to open the Control Panel, Power settings, and select an "Always on" power scheme, and additionally change the "monitor off" option to Never. Then click "Apply", close the window and you should be fine.

Posted on Jul 10, 2010

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Also ensure the CPU Heatsink is firmly attached. If the heatsink is loose, replace the plastic heatsink retainer

If it is secure, then the motherboard is the most likely failure point

http://www.fixya.com/support/r4282412-find_no_post_diagnostic_information_dell

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try to turn off you screen saver just turn off power monitor to see monitor easy wake up after long time.if ok means windows screen saver have problem if still same look like is you monitor something wrong need to check

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