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What do I do when I turn on my computer and it says the CMOS checksum bad? 

by on February 9, 2012

Q: turn on computer and saides coms check sum bad

 
 

Can a bad cmos battery stop a tower from full boot up and not bring up the monitor? 

by on February 8, 2012

Q: can a bad cmos battery stop a tower from full boot up and not bring up the monitor

 
 

How come my system will not boot after clearing my CMOS? 

by on January 29, 2012

Q: i had to clear my cmos now i’m unable to boot, get error message no config no system file missing

 
 

How come I got a “Alert System Battery Voltage Low” warning then I replaced the CMOS battery and now my computer wont boot? 

by on November 16, 2011

Q: I have a 5 yr old Dell Dimension E521 running WIn XP Pro, which has worked fine. Have always plugged into a surge protector. A week or so ago, when booting, started getting “Alert System Battery Voltage Low”, but was able to press F1 and boot up. Had to change date/time every boot. Opened PC and tried changing out the little CMOS battery. Problem cont’d but able to boot up OK. Then, LED on front of tower displayed 1 3 and beeped and unable to boot. Tried a number of times. Finally, no more display, no booting, no power, zilch. When plugged in, the Aux Led light blinks in off-white (vs. green) color. Took it to two different techies and they both “overrode” power supply and concluded that my mobo was blown. From what (very) little I know about replacing a mobo, it seems like it is a labor-intensive and time consuming process. My concern is that techies will replace the mobo and the some other problem arises, and so on. Is it worth having the mobo replaced?

Also, since my 17″ monitor and my HP Office G85 (all-in-one) printer are still in excellent shape, if I have to trash the pc, I just want to buy a new tower (with Windows 7 I guess). Do you have any suggestions where (what computer store)?

Also, which mfg makes the best desktops these days…HP, Toshiba, Asus…?

Meantime, I’m using the laptop at home and at work until my pc gets fixed or I get a new one.

Thanks!

 
 

Why do I get a cmos/gpnv checksum bad error when booting my computer? 

by on January 6, 2011

Q: When I turn on my hpd230mt I get an error “cmos/gpnv checksum bad.”

I get it everytime Ii restart my pc and my time sort of stands still.

Ii turn it off at 12 noon and when I resume my session after an hour I get the same time.

I tried updating the bios and changing jumper settings but no luck.

 
 

How do I find out what cmos battery an Acer Aspire 7736z uses? 

by on October 12, 2010

Q: How do I find out what cmos battery an Acer Aspire 7736z uses, and how to replace it?