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It may just be that the new battery needs to be charged. I would leave it switched on for 24 hours to check. If this doesn't fix the problem, it could also be a failing BIOS chip or the charging circuit for the CMOS battery has failed. If the BIOS chip is not socketed or the cmos charging circuit has failed, you will need to replace the motherboard or find an electronics engineer to replace the failed components, this will probably be more expensive that a new board.
Fail safe in the battery has engaged. See if the computer will start without the battery, using just the power supply. If you can get it started then put the battery in and see if it will charge or reset the fail safe. Give it about an hour, then shut it completely down and restart it with the battery in. If it won't start at this point, then you will need a new battery. Also change the CMOS battery inside the computer
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.
Hi, and welcome to FixYa The computer may display a prompt to press F1/F2 or any other key to enter setup each time the computer boots as a reminder on how to enter CMOS. However, if the computer asks to press F1/F2 (or another key) to enter setup and does not continue, this issue can be caused by any of the below possibilities. 1.New hardware has been recently installed. 2.Error or confliction with settings in CMOS. 3.CMOS battery is bad or failing. Solution: New hardware has been recently installed If new hardware has been recently installed into the computer, it is likely that you are receiving the prompt "Press F1 or F2 to enter setup" because CMOS needs to verify that the new detected hardware is properly being setup in CMOS. Error or confliction with settings in CMOS If no new hardware has been added to the computer or the new hardware has been removed and you continue to receive the error, it is likely that there is an error or confliction with the CMOS. Press the key requested to enter setup and verify that all settings are correct. If everything appears to be correct try resetting the CMOS values to the defaults and/or Reset Configuration Data. Additional information about how to do this can be found on document CH000976. If all settings appear to be correct, save changes and exit CMOS setup. If the error continues to appear, enter setup again and restore all CMOS values to default. ·See our CMOS page for additional help and information with the CMOS. ·Additional information about getting into the CMOS / BIOS setup can be found on document CH000192. CMOS battery is bad or failing If you continue to receive the prompt to enter setup each time the computer boots up and you have attempted to follow the above suggestions, it is also possible that the CMOS battery may be bad or failing. Generally; when this occurs, the computer is not holding the time or date correctly. If this is occurring it is recommended that the CMOS battery be replaced. regards /Teis the Wiz - -> Vote "FixYa" :-)
take off the side panel of the tower and look at the main board. the cmos battery looks kinda like a quarter. it has a tab that needs to be pressed with something like a small screwdriver. make sure you do not install the new one upside down
Remove the Thinkpad main battery. Look for a small yellow disk. This is the CMOS battery. It is connected to the motherboard with two (2) wires that plug into the motherboard. The plug is included on the wires of a new battery. Check EBay for Thinkpad CMOS batteries. I have also heard Radio Shack in some cases carries this battery.
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