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PC starts for a second then stops

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4 replies

by mike

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I recently built a new pc which was running fine for a couple of weeks without any problem. I then didn't use the computer for a week.

When I next came back to use it, I pressed the on button, it started for a second and then stopped. It then repeated this process every 4 or 5 seconds without me touching the on button again.

I opened the case up. The green mobo LED is on. On trying to start, all the fans spin for a second and then stop - and as I said this repeats every 4 or 5 secs.

I have tried removing/swapping various components with another PC I own. From this I have determined that it is not the graphics card, memory, hard drive, optical drive or PSU. I also have deduced that it?s nothing to do with the case on button or reset switch.

I have also checked all connections and even re-seated the heatsink to no avail.

Before I go out and change the mobo or CPU, does anyone have any further ideas?

My spec is:

Intel Core 2 Duo E6550
Asus S775 P35 motherboard
7900GTX Graphics Card
2GB Ram
Akasa 500W PSU

Thanks

Mike

4 replies

by thechas

Check the CMOS battery and make sure it is not weak.

Reset the CMOS and you should get a boot. Make sure to enter BIOS setup and configure the settings as appropriate.

Chas

by oh smeg

The Jumper on the CMOS Clear and make sure that it is allowing power to the RTC and BIOS.

Col

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