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CMOS Checksum bad, Motherboard Power Direct, Date and Time Not Set


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#1
RJT12

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Hi All,
I have a Intel Pentium 4 with an Intel Origianl 845 GVSR Motherboard. My PC is 2.5 years old. A few days back I opened my hard disk to test another hard disk. But when I reconnected my disk, and started my comp, a message comes from the BIOS that the date and time has not been set and the CMOS checksum is bad. Everytime I set the date and time and save the changes, but the message doesn't stop appearing each time I restart. Also, the power in my motherboard has become direct , meaning, whenever I start my UPS, my CPU starts automatically and I don't have to switch it on myself. How do I fix this problem? Is this going to affect my PC or get my motherboard busted? Please help.
Thnx in advance.
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#2
xxx1

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hi,

have tried resetting the bios, take cmos battery out for 40 secs re-insert make sure the power is unplugged from the wall.

cheers...xxx1
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#3
RJT12

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Hi xxx1,
thnx for the reply .
Today morning I tried doing the same thing, I pulled out the battery and reinserted it with the powers off. I also cleaned the place before re inserting the battery. But nothing helped :whistling: . Is this going to bust my motheroard in the long run?
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#4
xxx1

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try a new battery this one could be low.

cheers...xxx1

let us know how you get on
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#5
RJT12

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ok thnx .. but will it affect the motherboard? What might be the reason for the direct power to the motherboard? How do I fix it? Please help.
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#6
Kemasa

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The power option is a setup option. Go into the setup menu and find the power settings. I would guess that the CMOS battery is dead or dying and the settings have reset to the default settings, which may be to power up when power is applied.
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#7
xxx1

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new battery ... i think bios still reconizes the other hdd, dont forget to set the time/date etc mobo should be okay.

cheers...xxx1
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#8
RJT12

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Hey
my com is working fine like before now. I didn't do much, I think the cleaning of the battery and replacing it worked !
Anyways, thanks a lot for your help. Shall get back again if any thing goes wrong.
Cheers!
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