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Lenovo IdeaPad s540 BIOS

E.g. 3000, IdeaPad, S- and U-Series, B-Series and so on...
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TangoHierra
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Joined: Tue Mar 24, 2026 6:13 am

Lenovo IdeaPad s540 BIOS

#1 Post by TangoHierra » Tue Mar 24, 2026 6:25 am

Hello, I have a Lenovo S540 i5 4200U laptop with Radeon graphics. I forgot my BIOS passwords. I desoldered and soldered the P24S08A EEPROM chip into the socket. The problem is that when I load the EZP2019 program, it is detected as 93_EEPROM. When I change to AT24C08, I get the error "Chip is empty." I'm not sure if I've damaged the chip. If you want to detect it, go to 93_EEPROM so you can play and save the file. Where can I get the chip for this laptop? Is there a way to use it?

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