On Acer Travelmate 4502 laptops, the BIOS is the first set of programming that the processor runs at start-up. The BIOS defines system settings, conducts hardware tests and tells the system where to look for the operating system. A BIOS password can be set that prevents anyone from booting the computer without the password. The BIOS password can be changed by entering the BIOS settings and entering a new password.
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Turn off the Travelmate laptop. Do not put the computer to sleep or hibernate. The Travelmate must be completely shut down. Press and hold the power button for ten seconds until the Travelmate completely powers down, if needed.
Turn on the Travelmate and immediately press and hold the "F2" key while the TravelMate logo is being displayed on the screen. The BIOS screen will appear.
Enter the BIOS password when prompted.
Press the right arrow key to scroll through each BIOS settings tab. Under the setting for BIOS Password, enter a new BIOS password.
Press the "F10" key to save the changes to the BIOS and to restart the laptop.
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