Steps:
1. Unplug all the cables from the computer. (If you are not sure then make a note of which cable goes where)
2. After you've unplugged the cables. Press and hold the power button on your computer for about 3-5 secs.
3. It wont start the comp :). This steps is done remove any left over power in the comp...
4. Re-connect all cables and check.
Let me know if this helps, If not, then i'll tell you what to do next. :)
Also, please let me know if you use Dial or ADSL Internet. Because if previous steps dont work then we need to try anther steps.
SOURCE: motherboard
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
SOURCE: dell dimension 5100, power button has turned orange
If under warranty contact Dell? I had this same problem, a new motherboard and fan assembly fixed this problem. Bad capacitors on the motherbard.
SOURCE: motherboard
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.
SOURCE: want turn on getting number 1 and 3 flashing
Your Power Supply has gone bad mate... known problem. You need to swap out the old power supply with a new one or maybe a working one (if you have another system)... the procedure is fairly clearly documented on the Dell Site n no Tags needed for that... :-)
SOURCE: Will not power up
try re-setting the BIOS by using the clear CMOS jumper on the motherboard. If that does not work then remove the memory dimms, cd-rom drive, hard drive, floppy drive and any PCI components. After that try the computer and see if you at least get a post-up screen. If you do then re-connect each component until the post up screen stops again and that is your problem component. If not then your motherboard is bad.
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