Acer Aspire 7250 Acer Aspire 7250 Service Guide - Page 55
Cleaning BIOS Passwords,
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Cleaning BIOS Passwords 0 When customer forgets the BIOS supervisor/user password, he could clear the passwords, perform the following steps: 1. If system can not boot to DOS mode (Password on Boot is Enabled), follow the below procedure, Step 1: To remove HDD device. Step 2: Creating a USB bootable flash disk and copy unlockpw.exe file to it. Step 3: After pressing power button, to hold Ctrl and Alt key and than continually stroke Enter key until POST LOGO finish. Step 4: System will skip BIOS password query window and boot to DOS mode. Step 5: Execute unlockpw.exe, BIOS password will be clear automatically. 2. If system can boot to DOS mode(Password on Boot is not Enabled), follow below procedure, Step 1: Creating a USB bootable flash disk and copy unlockpw.exe file to it. Step 2: Execute < unlockpw.exe >, BIOS password will be clear automatically. Figure 2-23. Clear BIOS Password System Utilities 2-21