Model Extensa 4420-5239. How to replace cmos battery? Do I need a Bios password after?

Mikey
Mikey Member Posts: 1 New User

Model Extensa 4420-5239. After 4 years of use when I reboot my laptop the year reverts back to 2006. I assume I need to replace the CMOS battery which is under the palm rest as far as I can tell but I cannot get to it. Also if I do change it will I be locked out and need a BIOS password?

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