Acer Aspire E1-531 Acer Aspire E1-531 and E1-571 Notebook Service Guide - Page 65
Clearing the Password Check and BIOS Password, Clearing the Password Check, Clearing BIOS Passwords
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Clearing the Password Check and BIOS Password Clearing the Password Check The password check can be removed by shorting the "RTC_RST" point with a metal instrument. 1. Remove the lower cover door and the memory module (refer to System Utilities on page 2-2). 2. Remove the battery (refer to System Utilities on page 2-2). 3. Under the memory module slots, locate the JCMOS1 jumper. 4. Use an electronic conductivity tool to bridge the two points of the jumper. Figure 2:29. CMOS Jumper Clearing BIOS Passwords To clear the User or Supervisor password, perform the following: 1. At the command prompt, type CP.exe. The Clean Password Utility is shown. ACER Clean Password Utility V 1.1 Press 1~2 to clean any password shown as below 1.User Password 2.Supervisor Password Figure 2:30. Clean BIOS Password 2. Press 1 or 2 to clear the desired password shown on the screen. 3. The screen displays function success or failure. System Utilities 2-24