I already tried open cell inside and open battery also but nothing done.
Hello man, Please note that Bios passwords removal on laptops is a pretty tricky thing. I may be able to assist you but I need to be contacted on the live chat function. Please go there and when you find me available on the "laptops" category there, you may contact me. I will then be able to instruct you on how to do this.
Posted on May 07, 2007
Remove a small coin sized CMOS battery to store all BIOS settings along with the password. To reset the password, unplug the PC, open the cabinet and remove the CMOS battery for approx. 15-30 minutes and then put it back. It'll reset all BIOS settings as well as the password and you'll need to re-enter all settings.
Under the keyboard or bottom of laptop - If you are working on a laptop computerthe location of the dipswitch (almost never a jumper) can be under the keyboard or on the bottom of the laptop in a compartment such as the memory compartment.
If it fails, then try to remove the battery for at least one hour.
hope this helps
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