Question about IBM ThinkPad A21e 2655 Notebook

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My IBM thinkpad A21e is showing me an error message

Error 0271:check date and time settings
Error 0188:invalid RFID Serialization information Area or Bad CRC2.

Is their any way or any key dat i can use to boot to the BIOS enviroment to set the setting?
have try using the F1 botton still showing the error message and have also clear the cmos setting.

pls how be waiting for your good response.

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  • 32,281 Answers

You need to replace your BIOS battery. The battery is old and cannot maintain the BIOS configuration. That is why you are getting incorrect date and time and bad CRC error.
Replace the battery and then configure the BIOS settings.

Posted on Jan 27, 2009

  • Chris Hingee
    Chris Hingee Jan 27, 2009

    With Thinkpad laptops F2 key usually get you into the BIOS

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