I got a system with the following configuration, asus p5n-e sli motherboard, ram 2 gb 800 mhz, graphics card n vidia 8800 geforce. hard drive 400 gb, dvd writter, and 600 watt snps. now my current problem is that after running 3 & 4 hours, my system automatically shut down, again I can restart,if I restart it after 4 & 5 hrs later. wats this problem? Is`t MB problem or snps problem?? I dont hv UPS. pls get me out ..!!!!
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Hi there. I'm working on the assumption that the graphics card is a PCI Express card. Remember that if you are swapping from on-board graphics to a card you have to go into the BIOS and tell the machine that the primary graphics adapter is AGP/PCI Express. Plug the VGA cable into the on-board graphics port, start the computer and enter the BIOS, tell the computer to use the AGP/PCI card as primary, press F10, save the changes and exit the bios. The computer will try and restart so let it boot to post and turn it off, then put in your card and try to boot again. Please post back if you need more help or advice.
You'll need to check the PSU first, you might want to buy a PSU Tester for 24pin PSUs.
Then you might want to do a in depth examination of your motherbard circuit components by doing the following...
Look for burned/broken microresistors. You might need a magnifying
glass and good lighting. Any resistor showing a little blob or browning
is burned. Microresistors are those minuscule black,gray,brown or white
rectangles lying all over the motherboard's traces. Check first the
ones near the power supply connector and near the chips, specially one
that says winbond on it, this last ones may get burned from USB
overloading, from using non-self powered hubs also called passive hubs.
may check for blown capacitors, capacitors are those standing cylinders
with a plastic cover around them with numbers and letters printed in
those covers. On top they are left without a cover and they are
aluminum color, they may be flat or have one or more grooves runing
across the top. A blown capacitor, looks different from the others
because it looks a little bloated on the top, or may have spilled some
sort of transparent varnish from its bottom to the motherboard or its
top to other components around.
Finally you may suspect of the CPU, athlons get very warm and
they can get burned too. Never start your pc without a cpu.