Removing the Time of Year battery will clear the BIOS password. It is located on the underside of the n610c behind the panel covered by the Microsoft COA label. A small phillips screwdriver is required to remove the two screws on the panel. Carefully lift the BR1225 battery with a small flat blade screw driver.
After 10 minutes re-insert the battery. The BIOS Password should now be cleared, as well as other BIOS settings, the time and date.
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with laptops is hard to reset a bios password as it may change from brand to brand and may also change from model to model, you need to know what bios your system have (who is the bios manufacturer), the following are some resources you may want to consult and depending your expertise decide whether your want to do it on your own or request assistance of some one with an A+ certification at the minimum
For that you need to reset factory defaults settings for bios. For reset bios u have to open back side of your laptop then u find motherbord circuit there. pull cmos cell on motherbord for 15 minute then it reset to defaults. Also u can reset with jumper settigns read carefully on mother bord there is 1 jumper near cmos cell u read there " bios reset or clear" It is on 1-2 position right now set it in 2-3 position then power up then all bios settings are reset. then again set it in 1-2 its original position. Then it not want password.
Try this: -
Remove your Laptop Li-ion battery module. Then remove the RTC battery for at least 15min. Replace RTC, and boot the computer ONLY with the AC-Adapter. Enter the BIOS and set to boot from USB
Do the following steps -
- Remove the laptop battery
- Remove the CMOS battery
- Leave it for idle for around 15 minutes
- Put the CMOS battery in
- Boot the laptop with AC power
- Then put the laptop battery in.
- The BIOS pwd would have been reset now
- For troubleshotting the battery - Go into BIOS and run the Battery Caliberation tool
Hope this helps.