Dell 19/1909 service manual Clearing CMOS Settings

6.Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.

7.Wait for approximately five seconds to clear the password setting.

8.Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3.

9.Replace the stand (see Replacing the Stand).

10.Replace the shield (see Replacing the Shield).

11.Replace the computer cover (see Replacing the Computer Cover).

12.Connect your computer and devices to electrical outlets, and turn them on.

Clearing CMOS Settings

WARNING: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.

WARNING: The computer must be disconnected from the electrical outlet to clear the CMOS setting.

1.Follow the procedures in Before You Begin.

2.Remove the computer cover (see Removing the Computer Cover).

3.Removing the shield (see Removing the Shield).

4.Remove the stand (see Removing the Stand).

5.Remove the back I/O panel (see Removing the Back I/O Panel).

6.Locate the 3-pin CMOS connector (CLR_CMOS) on the system board (see System Board Components).