Released in 2013 as part of the IdeaPad series.

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Location of cmos battery

My aunt forgot password of her Lenovo y410 laptop she asked me to reset it.when I turn it on it is asking for password and there is no other option like forgot password visible on the screen.

I don't know when exactly it was bought. It's processor is Intel looks too old.

Answer this question I have this problem too

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By the looks of things the cmos battery is on the under side of the board:

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I think that's it.

Heres a video on how to get at it, it looks like a pain to get to, good luck.

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same problem here, the cmos battery is soldered so you need a solder pen to remove it, but it doesn't remove the password.

If you can try this

i couldn't because an option in the bios doesn't allow me to install a new firmware

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Sumanth will be eternally grateful.
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