Question about ASUS P4PE Motherboard

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Checksum error at boot up , the message "Checksum error : press F1 to continue or ..." appears. My PC is 5 years old. Could be due to the CMOS Battery that has low voltage? How is it replaced ?

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Open ur system..there u can see a round shape battery on the motherboard..that is CMOS battery..u can replace with a similr one...

Posted on Dec 22, 2008

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Hi robynonis
Yes, definatly the cmos battery. Please make sure you replace with same type battery.
Regards Go-Tech

Posted on Dec 22, 2008

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1 Answer

Shuttle xp, ntldr is missing


replace the cmos battery, reboot the computer go into bios reset date and time and change boot order cdrom to boot first save changes. boot from windows xp cd do a repair. form command type sfc /scannow checks all system files.if any are bad should repair them.

Apr 17, 2017 | Computers & Internet

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HP Compaq NC6000\r\nWhen I press the power button it seems to start but the only thing I see is numbers going by rapidly in the form of kbytes (524288 KB ok) then it reads 162-system Options not set. Then...


Hi promano67

When you "start" the computer, and the {"Screen"} displays a "Error Message."[CMOS] "error checksum!"

Settings: "Default" loaded.A "checksum error" shows that:

The ("Boot-up Settings "have been changed?"), ie. "Booting OS."

*Boot File 'missing'.

"This can 'occur' if the computer was "shut-down unexpectedly."

Force Shut-down : Power lost; due to 'low battery...'

A ("Power Surge") can cause this 'problem' also.

"What 'happens is that the [CMOS] settings are lost!".
"To fix the problem!"

Do the following:

  • "Restart / Boot the computer.

  • Next, verify if the 'error message' displays?

  • If you are still getting the message?

  • "You will have to "Remove the CMOS battery form the computer!"

  • Shut-down the computer.

  • "Unplug the computer from the {Wall Out-let}.

  • Remove the Lithium battery from the "Notebook."

  • There is a compartment (underneath) the "Notebook that 'store' the CMOS battery."

  • "You will need a {very small Phillips screwdriver}._953.jpg *Remove the CMOS battery for: [30 minutes].

  • !Important: If you have to do it again?

  • Remove the CMOS battery for a {'longer amount of time'}.

  • Replace the "CMOS battery."

  • Next, "Only plug the Power Adapter into the computer.

  • "Do not - replace the "Lithium battery!"

  • Once you have completed these 'task'.

  • "Restart the computer."

  • "Press the [F2] key, to 'enter' the CMOS / BIOS Setup!" _951.jpg

  • Next, 'reset' (all) "Values to the Default Settings."

  • "Press the [F10] key to 'Save' the changes!"

!Important: "Take a 'moment to rate the help', so I can get 'credit' for the work.

Thank you!" - paul7of9







Mar 13, 2011 | HP Compaq nc6000 Notebook

1 Answer

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!!!!

Jan 12, 2011 | Sharp Actius PC-RD10 PC Notebook

1 Answer

Laptop not used for some years. could enter bios OK to reset Replaced U/S CMOS battery with no problem. Restarted............ Message press F1 ibm bios setup press F11 to invoke IBM product recovery...


I received an IBM laptop with same issue a few months back. The error message due to the drained out CMOS RTC (coin-cell battery), which retains and other BIOS settings.
The system is OK and all you have to do is to get the CMOS/RTC battery replaced by the a professional.
Good Luck!
CreativeTECH

Dec 31, 2010 | IBM ThinkPad R30 2656 Notebook

1 Answer

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


Hello

Please reset cmos to factory defaults.
Then enter the bios setup and configure it and save changes.

Apr 20, 2009 | Computers & Internet

1 Answer

Cmos checksum error - defaults loaded


Ports are usually labelled - look carefully.
Try manufacturers manual.
Could be that keyboard is the larger 5 pin DIN socket (old IBM AT keyboard).

Aug 10, 2008 | Computers & Internet

1 Answer

Message before boot


plz try by changing the cmos battey

Jul 29, 2008 | Toshiba Portege M200 Tablet PC

2 Answers

Boot problem


thanks for your reply i have replaced the battery with a new one and the same problem still exists... why does it not boot from power button?

Feb 03, 2008 | E-Machines eMachines Desktop PC

1 Answer

CMOS SETTING and BOOTING


I just had the CMOS checksum error while starting the computer, So pressed F1 and continued.. I just don't think it's the battery, because the computer is 2-3 months old, and all parts were new. I also have another problem. which is that it tells me at start upo the the IDE 80 connector cable isn't installed, or something like that, which prevents one of my hard drives to be found by windows....

Dec 18, 2007 | EliteGroup K7AMA Motherboard

5 Answers

Bad BIOS checksum.... CMOS bad checksum errors


BOOT BLOCK COMPATIBLE VERSION VER .005
BAD BIOS CHECKSUM

CHECKING FOR CD ROM
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
NO CD-ROM FOUND
CHECKING FOR FLOPPY DISK
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
READING FILE "P5SD2VM.ROM"
NO FLOPPY DISK FOUND

Does someone already fix this problem??????

Nov 15, 2007 | ASUS M2N-MX Motherboard

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