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4 Wait for 5 seconds and then replace the jumper plug to the password jumper-

pins (PSWD).

Figure 44. Clearing the CMOS

jumper plug 2 CMOS jumper-pins

3 password jumper-pins (PSWD)

126

Main Page

Table of Contents3
Before Working Inside Your Computer10
Before You Begin10
Safety Instructions10
Recommended Tools11
Screw List12
After Working Inside Your Computer14
Technical Overview15
Inside View of Your Computer16
System-Board Components17
Removing the Right-Side Cover19
Procedure19
Replacing the Right-Side Cover21
Procedure22
Removing the Top Cover23
Prerequisites23
Procedure23
Replacing the Top Cover25
Procedure25
Post-Requisites25
Removing the Bottom Cover26
Prerequisites26
Procedure26
Replacing the Bottom Cover28
Procedure28
Post-Requisites28
Removing the Front Bezel29
Prerequisites29
Procedure30
Replacing the Front Bezel32
Procedure32
Post-Requisites32
Removing the Primary Hard-Drive33
Prerequisites33
Procedure (with Tabs)33
Replacing the Primary Hard-Drive36
Procedure (with Tabs)36
Post-Requisites36
Removing the Primary Hard-Drive37
Prerequisites37
Procedure (with Screws)37
Replacing the Primary Hard-Drive41
Procedure41
Post-Requisites41
Removing the Secondary Hard-Drive42
Prerequisites42
Procedure42
Replacing the Secondary Hard-Drive46
Post-Requisites46
Procedure46
Removing the Solid-State Drive47
Prerequisites47
Procedure47
Replacing the Solid-State Drive49
Procedure49
Post-Requisites50
Removing the Power-Supply Unit52
Prerequisites52
Procedure52
Replacing the Power-Supply Unit56
Procedure56
Post-Requisites56
Removing the Coin-Cell Battery57
Prerequisites57
Procedure57
Replacing the Coin-Cell Battery59
Procedure59
Post-Requisites59
Removing the Chassis Fan60
Prerequisites60
Procedure60
Replacing the Chassis Fan63
Procedure63
Post-Requisites63
Removing the Graphics Card65
Prerequisites65
Procedure65
Replacing the Graphics Card67
Procedure67
Post-Requisites67
Removing the Full-Length Graphics Cards68
Prerequisites68
Procedure69
Replacing the Full-Length Graphics Cards71
Procedure71
Post-Requisites71
Removing the Memory Modules72
Prerequisites72
Procedure72
Replacing the Memory Modules74
Procedure74
Post-Requisites76
Removing the Optical Drive77
Prerequisites77
Procedure77
Replacing the Optical Drive81
Procedure81
Post-Requisites81
Removing the Power-Button Module82
Prerequisites82
Procedure82
Replacing the Power-Button Module84
Procedure84
Post-Requisites84
Removing the Top I/O-Panel85
Prerequisites85
Procedure85
Replacing the Top I/O-Panel88
Procedure88
Post-Requisites88
Removing Blower and Heat-Sink Assembly89
Prerequisites89
Procedure89
Replacing Blower and Heat-Sink Assembly93
Procedure93
Post-Requisites93
Removing the Processor Fan and Heat-Sink Assembly95
Prerequisites95
Procedure95
Replacing the Processor Fan and Heat-Sink Assembly97
Procedure97
Post-Requisites97
Removing the Processor98
Prerequisites98
Procedure98
Replacing the Processor100
Procedure100
Post-Requisites102
Removing the Wireless Card103
Prerequisites103
Procedure103
Replacing the Wireless Card105
Procedure105
Post-Requisites106
Removing the Antenna107
Prerequisites107
Procedure107
Replacing the Antenna110
Procedure110
Post-Requisites110
Removing the System Board111
Prerequisites111
Procedure111
Replacing the System Board113
Procedure113
Post-Requisites113
Flashing the BIOS115
BIOS Setup Program116
BIOS Overview116
Entering BIOS Setup Program116
System Setup Options116
Clearing Forgotten Passwords122
Prerequisites122
Procedure122
Post-Requisites124
Clearing CMOS Settings125
Prerequisites125
Procedure125
Post-Requisites127
Diagnostics128
Getting Help and Contacting Dell129
Self-Help Resources129
Contacting Dell129

Dell D24M - Page 126

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