Removing the cmos battery won't erase the BIOS passwords. Doing this only resets the other user definable BIOS settings back to factory default.
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Removing the cmos battery won't erase the BIOS password. Doing this only resets the other user definable BIOS settings back to factory default.
You either have to replace or re-write the BIOS IC, contact the seller and ask them what it is or ask the manufacturer.
Here's the [link|https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.
Removing the cmos battery won't erase the BIOS passwords. Doing this only defaults the other user definable BIOS settings.
+
Removing the cmos battery won't erase the BIOS passwords. Doing this only resets the other user definable BIOS settings back to factory default.
You either have to replace or re-write the BIOS IC, contact the seller and ask them what it is or ask the manufacturer.
Here's the [link|https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.
Removing the cmos battery won't erase the BIOS passwords. Doing this only defaults the other user definable BIOS settings.
-
You either have to replace or re-write the BIOS IC or contact the seller and ask them what it is or ask the manufacturer.
+
You either have to replace or re-write the BIOS IC, contact the seller and ask them what it is or ask the manufacturer.
Here's the [link|https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.
Removing the cmos battery won't erase the BIOS passwords. Doing this only resets the other BIOS settings.
+
Removing the cmos battery won't erase the BIOS passwords. Doing this only defaults the other user definable BIOS settings.
You either have to replace or re-write the BIOS IC or contact the seller and ask them what it is or ask the manufacturer.
-
Here's the [https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.
+
Here's the [link|https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.
Hi @milan4212
Removing the cmos battery won't erase the BIOS passwords. Doing this only resets the other BIOS settings.
You either have to replace or re-write the BIOS IC or contact the seller and ask them what it is or ask the manufacturer.
Here's the [https://download.lenovo.com/consumer/mobiles_pub/ideapad_1_hmm.pdf|hardware maintenance manual] for the laptop. Go to p.36 to view the procedure to remove/replace the coin cell battery, if you wish to verify this.