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Change cmos battery - Compaq Evo N1020V Notebook

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3helpful
1answer

Does this P.C have an internal battery, and if so can it be changed

Yes, laprops have a CMOS battery and it can be changed:


Tutorial How to replace the CMOS battery in your laptop


laptop cmos battery


CMOS battery hack Laptop CMOS battery


Acer Aspire CMOS battery Acer Aspire losing date


Maybe you even cen get a video for your make and mode of laptop, introducing in a ggogle search term
Youtuba, change cmos battery, your make and model of laptop



0helpful
1answer

When to change CMOS battery?

You will need to change the battery just when the computer says something like this "System CMOS checksum bad - Default configuration used" or also could say something like "CMOS battery low", etc. That's the time to change the battery.
0helpful
1answer

AFTER SWITCHING ON, SCREEN STAYS FROZEN AFTER SAYING CMOS CHECKSUM ERROR- DEFAULTS LOADED

Hi there,

When starting your PC, the following error message is displayed:

CMOS wrong
CMOS MEMORY size WRONG
CMOS Checksum Bad
CMOS checksum error defaults loaded
Warning! CPU has been changed please re-enter cpu settings in the cmos setup and remember to save before quit!
You are prompted to:

Press F1 to resume
Press F2 to load default values and continue


This is due to the fact that the CMOS, which contain data related to the BIOS, has been reinitialized and that your PC has been reset to factory settings.

Solutions:

Reinitializing the BIOS
  • Change BIOS battery
    • If the problem persist this may be due to the fact that the battery powering the CMOS (when the computer is shut down allows the CMOS to store information), is depleted.
    • The CMOS battery is a small pin found on the mother board, you can refer to the manual provided with your motherboard to change it or have the nearby computer technician change it for you if you don't want to risk any damage.
    • More information with: Replacing the battery of your motherboard (CMOS battery)
Post back if it is not working we will be happy to help you.
Hope this helps.
Cheers!!!!
0helpful
1answer

ASUS Windows 7 laptop cannot keep time! I have checked the bios, and the CMOS battery, and all seems fine. Yesterday it lost 13 MONTHS!! What is wrong?

hi charli, did you change new cmos batter , how you checked your bios cmos battery, if you not changed your cmos battery try to change and check it you may get proper time.

GOOD luck
6helpful
3answers

How do I replace a dead cmos on acer 4520LCi travelmate laptop? The laptop no longer keeps track of system time when shut off completely. Can you tell me the exact location of the cmos so I can be able to...

Hi,

what you replace is not the CMOS, but the CMOS battery.

On an ACER from those years the CMOS battery looks like a coin, or a coin wrapped in plastic and connected to the motherboard.

On most models from same series the battery is located on the lower side of the motherboard, like on picture below:

83493ee.jpg

On some model the battery may be located underneath the keyboard.

Here disassembly instructions for a similar model.
2helpful
2answers

CMOS Battery do no work

Just change your CMOS battery with a new one and after that goto the bios settings and update the time and dare.
After that just save the settings and then check that the warning message is coming or not.

If its coming then it means you need to change the CMOS jumper settings.
0helpful
1answer

CMOS BATTERY ERROR

You said that you already bought a new cmos bat, but still theres a problem.check the cmos battery socket,power on tyour pc and go to cmos setup,optimize default setting and set time and date.
2helpful
1answer

Cmos battery?

Computer CMOS information CMOS is an on-board semiconductor chip powered by a CMOS battery inside IBM compatible computers that stores information such as the system time
How to replace the CMOS battery. Information about why time may be lost or decreasing rapidly and how to replace your computer cmos battery



Computer Battery Help The first type of battery is the backup battery, which is commonly referred to as the "CMOS battery".

Good Luck, Please dont for get to Vote/Thank You
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