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Computer automatically starts when I switch on my UPS


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#1 Devesh93

Devesh93

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Posted 13 August 2009 - 09:28 PM

I have had a problem with my SMPS recenly. The hard disk only works when I attach a certain SATA power cable.
The computer also does not start when the hard disk is connected in the first two SATA slots. Now, when I switch on my UPS, the computer automatically starts(all the fans are running) and shuts down after 2 seconds. I have to press the power button again. Moreover, whenever I start the computer, I get the message that the firmware has detected a CMOS battery failure.
I have also had to perform BIOS recovery some times.
Two of my RAMs also do not work now.

MBoard: Intel DG33FB
RAM: 2GB DDR 2 Kingston

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#2 rigacci

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Posted 14 August 2009 - 03:50 PM

First, it sounds like you need a new CMOS battery. They aren't expensive and pretty easy to replace. If you replace the battery and continue to get those errors, I would suspect a bad board, after checking a few other things.

Try booting with only 1 stick of RAM. Try it with a different stick of RAM, but still just 1 at a time.

http://www.memtest86.com has a good memory tester that you can burn to a CD.


It isn't that odd for the computer to come on for a second, when you turn on the UPS. We sell HPs and they tend to go on as soon as they are plugged in.

You should try it with a different power supply as well. It would never hurt.


If you still cannot boot from the first SATA plug, I would call the motherboard a frisbee and toss it way up..... :thumbsup:


Good luck.

DR

#3 Devesh93

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Posted 21 August 2009 - 10:26 AM

OK. so I trashed the cabinet and got a new CMOS battery.I am thinking to buy a coolermaster cabinet.So please suggest a good one .
Thanks




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