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cmos checksum bad error 0251

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Name: bloaded
Date: April 8, 2001 at 15:34:08 Pacific
Comment:

i get this error when i turn on me compputer
it then uses the "defult config"
hp pavillion 8750
p3 667mhz
64ram



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Response Number 1
Name: Chris Hodapp
Date: April 8, 2001 at 16:21:47 Pacific
Reply:

If you're lucky, it means that the data stored in CMOS has been corrupted - things like power outages and rebooting while writing data in setup can cause this. I don't know if the Pavilions (I've got a 6735 that's about like yours) use EEPROM or CMOS RAM, I figure they probably use EEPROM because it doesn't need battery backup, though more expensive. This isn't anything too bad. If the computer boots fine otherwise then it should be fine otherwise. Anyway, just go into setup (if it doesn't say how, just hold down F1 and turn on the computer. It should either go into BIOS Setup or say junk about a stuck key and say PRESS F2 TO GO TO SETUP on the bottom or something. Do that. Go in, load defaults, and save. If that's that, no more errors on bootup in the future, you should be fine. If it happens again, whether right away on the next reboot or any time in the future - then the EEPROM chip or the CMOS RAM battery or chip will probably need to be replaced. I don't think this is the case, luckily, though. This happened to me once on an old HP Vectra - I flipped off the power while it was writing to the EEPROM and lost all the data. I had it all memorized, though, so it wasn't too bad.

Hope I helped...
-Chris


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