Question about Dell Dimension 8400 PC Desktop

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Motherboard i unplugged my power supply, speaker, led display all from the mother board and now my computer won't power on i need a manual for my mother board Daughter's 2 year old computer. Series of intermittent shutdowns and rebooting happenings. Finally computer will not boot reliably into bios. Sometimes runs for 10 mins and then cuts out followed by self booting attempts. Tried to reload XP got as far as restarting computer and then crashed out. No BSOD at anytime just blank screen. Have tried reseating CPU thinking heat problem, reseated memory and tried memory stick by stick. no better. Replaced CMOS battery No change. Repeated message "stopped at Checkpoint Ithr or checkpoint Wake UP. Dell say it is not worth repairing! Any help would be welcome computer will not boot up, message: stopped at checkpoint [WAKE], contact Dell.

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  • Anonymous Sep 29, 2008



    Dell Dimension 8400 PC Desktop

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Here is what you need to do. Disconect the module with the usb ports from the motherboard. It took a while for me to figure it out but a damaged usb port will make the computer go nuts.

Posted on Sep 14, 2008

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Sounds like you tried everything except reseating any other hardware that may or may not be placed in another socket such as PCI, AGP, etc... Like a Modem, Network adapter, Sound/Graphics card, Wireless card, etc... This is probably a wasted post as if you knew to check each stick of memory seperatly then you've probably already reseated all socketed hardware. Though, you could remove all non essential hardware such as I mentioned above and try installing Windows again?
Good luck and keep us posted.

Posted on Sep 06, 2008

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Demmy
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Hi,
One of the greatest factor in intermittent shutdowns is because of heat issues. try to check the fans if they are all spinning. if all fan's are ok then you only need to replace the motherboard. here's a manual that might come in handy http://support.dell.com/support/edocs/systems/dim5100/en/sm/index.htm

Hope this helps.

thanks

Posted on Nov 13, 2007

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Posted on Jan 02, 2017

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