Question about Compaq Presario S5100NX (E120866) PC Desktop
The computer shuts down almost as soon as it starts up. Then it will not start up again until I unplug it and start over. Each time, it will just shut down again. I took the side panel off and watched the LEDs on the Mother board. A green light stays on near the CPU. When I turn it on, a red light flashes for an instant at the bottom of the board, near the board slots. I tried a different power supply with no change. I tried unplugging all the power cables to the drives with no change. I unplugged and reseated the memory chip and the CPU with no change. I don't have another CPU or memory chip of the correct type to try in it. Any suggestions? I have the same problem, I just bought a whole new computer, but my CPU fan and heatsink let the CPU get up to 80 degrees, so I bought a new heatsink, and when I try to start up it shuts off before afull rotation of any fan happens...
Is there more than one fan inside the computer? Did you double-check the connection from the fan to the motherboard? Sometimes a computer will shut down if it doesn't sense that the fan is turning on, to prevent the computer from overheating.
Posted on Jul 25, 2008
Turn the chip around,its seated tha wrong way thats y its not booting up
Posted on Apr 29, 2009
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