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Asked: 2021-11-11T14:39:50+00:00 In:

Toshiba Satellite L300 Won’t Start

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it is displaying a message that read ‘The firmware has detected a CMOS battery failure has occurred’
I have tried booting from the last known configuration an then it returns to the start up screen an displays the same over an over

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    1. ‘The firmware has detected a CMOS battery failure has occurred’
      Simple answer: Replace the CMOS battery, this is a small battery mounted on the motherboard and is easily replaceable. Your motherboard manual will give instructions. Because you provide no other information Google for your motherboard and follow the instructions given.

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