That means: the password is not stored inside the CMOS! But you can also try to reset the CMOS. They have an additional small, hidden IC which stores the password. It may be completely different for your computer! The duration for a complete loss of data could differs between some seconds, hours, or several days. What is CMOS? What can i do? I assume no liability for the accuracy, completeness or topicality of the following instructions. About the Author.There are of course other situations, but the above are by far the most common reasons to make a CMOS reset. Step 6 Replace the hard drive and battery, and connect the power adapter. Step 5 Disconnect the small power lead that attaches the BIOS clock battery to the motherboard and wait about an hour before reconnecting it. Step 4 Remove the two screws holding the hard drive in place and slide the hard drive out of the system. Step 3 Remove the main battery from the laptop and open the hard drive compartment cover by removing the screws and sliding the cover about a quarter inch and then lifting it up. Step 2 Close the lid and flip the Acer laptop upside down. Step 1 Disconnect the power adapter from the back of the Acer laptop. Step 5 Replace the cover and power on the computer. Step 4 Replace the battery or set the jumper back to the "Run" position. Step 2 Remove the case cover and attach an anti-static wrist strap to one wrist and to the case frame. Step 1 Disconnect the power cord from the back of the Acer computer. Dickinson holds an Associate of Arts in industrial electronics technology and another Associate of Arts in computer science. His work appears on various websites, focusing on computer technology.
Norm Dickinson began his writing career in as a content creator for Web pages he designed for clients. Release the power button and disconnect the power cord. Alternately locate the small metal pads on the motherboard marked "CLRP1" and place a conductive tool across the contacts, and then connect the power cord and hold the power button on until the system boots up past the BIOS power on self test.
Disconnect the small power lead that attaches the BIOS clock battery to the motherboard and wait about an hour before reconnecting it. Remove the two screws holding the hard drive in place and slide the hard drive out of the system. Remove the main battery from the laptop and open the hard drive compartment cover by removing the screws and sliding the cover about a quarter inch and then lifting it up. This is determined easily as these jumpers only have two positions, "Clear" and "Run" and they will always be found in the "Run" position during normal operation. Remove the case cover and attach an anti-static wrist strap to one wrist and to the case frame. The battery removal process works on all Acer computers, including desktops or laptops, and it is often the only alternative available when the BIOS passwords need to be reset. Some Acer computers have a special jumper that can be used to clear the BIOS settings, including the password, while others require the clock battery be removed.