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| Computers Sidetrack to Computers, Questions on your home computer? Posting just for registered members.... |
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11-07-2002, 10:32 AM
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#1
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Registered User
Join Date: Dec 2000
Location: Foxborough, Ma
Posts: 1,191
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Computer Clock
For about two weeks now, my computer clock stops when I shut off the computer.....example.....I shut down at 5:12 PM yesterday....booted up this AM, and the clock was at 5:12 PM, date was yesterday....
Why?.........
Thanks.....
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11-07-2002, 10:49 AM
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#2
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Registered User
Join Date: Sep 2002
Location: Bedford, NH
Posts: 626
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You may want to check the battery on the motherboard. Is it an old PC?
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11-07-2002, 10:55 AM
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#3
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Certifiable Intertidal Anguiologist
Join Date: Feb 2000
Location: Somewhere between OOB & west of Watch Hill
Posts: 35,270
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Old PC - New PC? Also, make sure it's the bios time not changing and not just the Windows OS time not changing.
Typically a bad CMOS battery would register it back at 12:00 am and the 1/1/200, typically. Could be a CMOS battery - most newer PCs have a Quarter sized flat battery for power. You can get it at Radio Shack for 3 bucks. I forget the part# but usually a CR34032 number is stamped onto the battery - be careful of the retaining clip - too much pressure will break it. After that, you may want to dowload the lates motherboard bios and update the BIOS - this can unscrew-up a bad bios file (which does happen)... Be real carefull on a BIOS Reflash , especially if you've never done one before...
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~Fix the Bait~ ~Pogies Forever~
Striped Bass Fishing - All Stripers
Kobayashi Maru Election - there is no way to win.
Apocalypse is Coming:
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11-07-2002, 11:13 AM
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#4
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Registered User
Join Date: Dec 2000
Location: Foxborough, Ma
Posts: 1,191
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Um, thanks, I think....   
as far as old or new....um, don't know, maybe 5-6 years old....it was built by my brother in law.....
Knew about the possibilty of the CMOS battery, and I also thought that it reset to the date and time you mentioned if that indeed was the problem.....but perhaps I'll give it a go....
After that.......ya lost me!
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11-07-2002, 03:57 PM
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#5
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Certifiable Intertidal Anguiologist
Join Date: Feb 2000
Location: Somewhere between OOB & west of Watch Hill
Posts: 35,270
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If it's 5-6 years old, you might have a problem - some PCs back then had the battery hardwired to the motherboard - can be change but...
The BIOS tells the hardware how to communicate and stores hardware parameters and stuiff like the date & time. Basic stuff that needs to be kept in a power off situation...
What speed and brand?
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~Fix the Bait~ ~Pogies Forever~
Striped Bass Fishing - All Stripers
Kobayashi Maru Election - there is no way to win.
Apocalypse is Coming:
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11-08-2002, 08:30 AM
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#6
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Registered User
Join Date: Dec 2000
Location: Foxborough, Ma
Posts: 1,191
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Hmmm....I'll give this a shot.....as I said, it was built by my brother in law, somewhat cannibalized from other computers, but I did find this book, so maybe it will help.
The motherboard is a AB-PX5 (at least that is what is highlighted in the book). It has a Pentium 233MHz CPU. (Again, that is what is highlighted in the book.) On the layout diagram, I see only a "Clock Generator".
I also noticed that it said if you change the CMOS battery, you lose all the CMOS data in memory, and should have your setting written down before you change the battery.
But if the battery is dead, wouldn't I have lost all the data in the memory and be having other problems besides just the clock?
Last edited by STEVE IN MASS; 11-08-2002 at 08:33 AM..
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