Question about Acer Aspire 1690 Notebook
How to Bypass or Remove aBIOS Password
NOTE: Do not try to guess the password on a passworded Hard Drive. 3 wrongguesses will often result in the information on the hard drive being lostforever. How to Bypass or Remove a BIOS Password by Removing theCMOS Battery:
The simplest way to remove a BIOS password is to simply remove the CMOSbattery. A computer will remember its settings and keep the time even when itis turned off and unplugged because these parts are powered by small batteryinside the computer called a CMOS battery. If we pull out this battery, thecomputer will forget a lot of its hardware settings, including its BIOSpassword. This should not be performed on Laptops if you are not experiencedworking with laptop hardware. Anyway, open up thecomputer case using a screw driver and locate the flat, circular and metallicCMOS battery. Some computers have this part standing upright. Once you have located it,observe how the latches are holding it. There are many different ways to removea CMOS battery. Make sure to power down thecomputer, unplug the power cables and unplug any USB devices if they arepowered. The computer must not be able to get power from anywhere for this towork. Take out the CMOS battery and wait 10 - 25 minutes before putting it backin. The reason for this wait is because the computer can still store power inits capacitors even though everything is unplugged. The waiting period allowsenough time for them to discharge. Plug everything back in,power up the computer and enter the BIOS again. If everything went well thereshould be no more password. In some cases, if you get weird error messagesduring boot up now, you will need to go to "Load BIOS Defaults" in BIOS andsave the changes to fix them.
Posted on Sep 25, 2011
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Posted on Jan 02, 2017
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