Question about Acer Aspire 4315-2490 Notebook
Forgot BIOS password, can not access the system. How to reset it?
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Posted on Jan 02, 2017
SOURCE: reset password bios acer 4315
This can be done by visting vendor website.
Please download the BIOS update utility from the following web site. You need to select you machine model number under BIOS button u can get the utility to download.
Posted on Jul 31, 2009
SOURCE: Bios Password Reset
The only idea I have is to find and disconnect the CMOS back-up battery after removing main battery and unplugging the AC adapter. That SHOULD clear the bios completely, wiping out the password, the date, and everything else.
I know this works on desktops, and most laptops, but no promises, and the cmos battery may not be easy to access.
You should probably leave the battery unhooked for at least 1-2 minutes to be sure it clears.
Hope this is some assistance!
Posted on Jan 18, 2008
SOURCE: how to reset password
To set the bio password, follow the following:
As soon as your laptop powers up, hold F2 until the ACER logo appears. Now press the right arrow on your keyboard twice to go to the: "MAIN" tab. Now press enter. You will be asked to enter the new password twice along with the original one. (if you previously had a password.). Now scroll down to where it says either: "Enabled" or "Disabled". If it is: "Disabled", press enter and select "Enabled". Exit the BIOS saving changes.
Posted on Aug 02, 2008
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