CMOS checksum invalid not loaded

R

randalel

I am tring to help a friend start her laptop compaq nc6000 xp home.When i
started on it i push the start button it ran the memory check then an error
came up.Total memory installed:524288 kbytes.CMOS checksum invalid,default
values loaded.It had these 3 boxes at the bottom,(f1 save changes)(f2 injnore
changes changes)(f10 computer setup) when i pressed any of the keys it did
nothing.the other said 162-system options not set.the following configuration
was not set.At present i press the start buttom it boots about 6 seconds
then cuts off.Thanks in advance.Also i cannot get into BIOS.
 
D

Don Phillipson

I am tring to help a friend start her laptop compaq nc6000 xp home.When i
started on it i push the start button it ran the memory check then an error
came up.Total memory installed:524288 kbytes.CMOS checksum invalid,default
values loaded.It had these 3 boxes at the bottom,(f1 save changes)(f2 injnore
changes changes)(f10 computer setup) when i pressed any of the keys it did
nothing.the other said 162-system options not set.the following configuration
was not set.At present i press the start buttom it boots about 6 seconds
then cuts off.Thanks in advance.Also i cannot get into BIOS.
Click to expand...

On a laptop, this probably indicates battery failure.
What difference does it make if the mains transformer is connected?
 
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