Dell 2710 Clearing Forgotten Passwords

System Setup | 163

Clearing Forgotten Passwords

WARNING: Before working inside your computer, read the safety information

that shipped with your computer and follow the steps in "Before You Begin" on

page 11. After working inside your computer, follow the instructions in "After

Working Inside Your Computer" on page 13. For additional safety best practices

information, see the Regulatory Compliance Homepage at dell.com/

regulatory_compliance.

1Remove the back cover. See "Removing the Back Cover" on page 19.

2Remove the system-board shield. See "Removing the System-Board Shield" on

page 31.

3Locate the password-reset jumper on the system board. See "System-Board

Components" on page 16.

4Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.

5Wait for approximately five seconds to clear the password setting.

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

7Replace the system-board shield. See "Replacing the System-Board Shield" on

page 33.

8Replace the back cover. See "Replacing the Back Cover" on page 21.

OM_Book.book Page 163 Friday, April 27, 2012 3:23 PM

Contents

Main Notes, Cautions, and Warnings ____________________ Contents 1 Before You Begin . . . . . . . . . . . . . . . . . . . . . . . 11 4 Removing the Back Cover. . . . . . . . . . . . . . . . 19 5 Replacing the Back Cover. . . . . . . . . . . . . . . . 21 6 Removing the Converter Board . . . . . . . . . . . 23 10 Removing the System-Board Shield . . . . . . . . 31 11 Replacing the System-Board Shield . . . . . . . . 33 12 Removing the Power-Supply Unit . . . . . . . . . 35 13 Replacing the Power-Supply Unit. . . . . . . . . . 37 14 Removing the Memory Module(s). . . . . . . . . . 39 20 Removing the Hard Drive . . . . . . . . . . . . . . . . 51 21 Replacing the Hard Drive . . . . . . . . . . . . . . . . 53 22 Removing the Hard-Drive Cage . . . . . . . . . . . 55 23 Replacing the Hard-Drive Cage . . . . . . . . . . . 57 24 Removing the Power-Supply Fan . . . . . . . . . . 59 30 Removing the mSATA Mini-Card . . . . . . . . . . 71 31 Replacing the mSATA Mini-Card. . . . . . . . . . . 73 32 Removing the Processor Heat-Sink Fan. . . . . 75 33 Replacing the Processor Heat-Sink Fan . . . . . 77 34 Removing the Processor Heat-Sink . . . . . . . . 79 40 Removing the I/O Panel. . . . . . . . . . . . . . . . . . 91 41 Replacing the I/O Panel. . . . . . . . . . . . . . . . . . 93 42 Removing the Inner Frame . . . . . . . . . . . . . . . 95 43 Replacing the Inner Frame . . . . . . . . . . . . . . . 97 44 Removing the I/O-Board. . . . . . . . . . . . . . . . . 99 50 Removing the System Board. . . . . . . . . . . . . 111 51 Replacing the System Board . . . . . . . . . . . . . 113 52 Removing the Speakers . . . . . . . . . . . . . . . . . 115 53 Replacing the Speakers . . . . . . . . . . . . . . . . . 117 54 Removing the Power-Button Assembly . . . . 119 60 Removing the Display Panel . . . . . . . . . . . . . 133 61 Replacing the Display Panel . . . . . . . . . . . . . 139 62 Removing the Camera Module . . . . . . . . . . . 141 63 Replacing the Camera Module . . . . . . . . . . . 143 64 Removing the Microphone Modules . . . . . . 145 70 System Setup . . . . . . . . . . . . . . . . . . . . . . . . . 157 71 Flashing the BIOS . . . . . . . . . . . . . . . . . . . . . . 165 1 Turn Off Your Computer and Connected Devices Recommended Tools 12 Safety Instructions 2 Page 3 Inside View of Your Computer 16 System-Board Components Page Page 4 Page 5 Page 6 Page 7 Page 8 28 9 Page 10 Page 11 Page 12 36 7Lift the power-supply unit off the computer base. 13 Page 14 40 15 Page 16 Page 17 Page 18 Page 19 Page 20 52 21 Page 22 Page 23 Page 24 Page 25 Page 26 Page 27 Page 28 Page 29 Page 30 Page 31 Page 32 Page 33 Page 34 Page 35 Page 36 Page 37 Page 38 Page 39 Page 40 Page 41 Page 42 Page 43 Page 44 100 45 Page 46 Page 47 Page 48 108 49 Page 50 112 51 114 Entering the Service Tag in system setup 52 Page 53 Page 54 Page 55 Page 56 124 57 Page 58 128 Page Page 59 132 60 Page Page Page Page Page 61 140 62 142 63 Page 64 146 65 Page 66 150 67 Page 68 154 69 Page 70 Overview Entering System Setup System Setup Screens System Setup Options Page Page Page Changing Boot Sequence Changing Boot Sequence for the Current Boot Changing Boot Sequence for Future Boots Clearing Forgotten Passwords Clearing CMOS Settings 71