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RTC battery low or CMOS chksum inconsistent on a new Tecra M4 ?
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Permlink Replies: 2 - Pages: 1 - Last Post: 21-Mar-2006 12:49 Last Post By: Andrej
icethor

Posts: 1
Registered: 20/03/06
RTC battery low or CMOS chksum inconsistent on a new Tecra M4 ?
Posted: 20-Mar-2006 09:55
 
Hi,

I bought my Tecra M4 in november, making it relatively new.

Since then I have gotten the following message at power-on on four occasions:

        • RTC battery is low or CMOS checksum is inconsistent ****
Press F1 to set Date/Time.

Why is this happening on a new laptop ? And with relatively long intervals ( 4-6 weeks ) ?

Is there anything I can do to check for hardware errors ?

I'd rather not have to send in my computer at the moment ( spring exams coming up and summer term starting in a month ).

Any help/ideas are appreciated.

Regards,
Thor
Andrej

Posts: 3,232
Registered: 20/12/04
Re: RTC battery low or CMOS chksum inconsistent on a new Tecra M4 ?
Posted: 21-Mar-2006 12:30   in response to: icethor in response to: icethor
 
Hi Thor

As far as I know it is not a hardware problem. Connect the unit to AC adapter and let it charge for 20 or 24 hours.
I hope that you use the unit very often and the battery can be charged constantly.
Andrej

Posts: 3,232
Registered: 20/12/04
Re: RTC battery low or CMOS chksum inconsistent on a new Tecra M4 ?
Posted: 21-Mar-2006 12:49   in response to: Andrej in response to: Andrej
 
Hi again

Please check user`s manuals. I have found interesting info about that on page 137 and 139. The fact is that unit must be connected to AC adaptor, the battery must be full charged and just in this case the CMOS battery will be charged.

Charging time is about 8 hours but you can leave it for a longer period on. I recommend you to leave the unit on over the night (not standby or hibernation). Before you do this check standby and hibernation settings in power management. You can set the “display off” option to one minute because the display must not be on all the time.

Bye
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