Dell Vostro 3250 - Default Chapter; Table of Contents

Contents
1 Working on your computer.................................................................................5
Before working inside your computer..................................................................................................5
Turning Off Your Computer..................................................................................................................6
After working inside your computer.....................................................................................................6
Removing the cover.............................................................................................................................. 7
Installing the cover................................................................................................................................ 7
Removing the front bezel......................................................................................................................7
Installing the front bezel....................................................................................................................... 8
Removing the hard drive assembly...................................................................................................... 8
Installing the hard drive assembly.......................................................................................................10
Removing the optical drive................................................................................................................. 10
Installing the optical drive................................................................................................................... 12
Removing the heat sink fan cover...................................................................................................... 12
Installing the heat sink assembly.........................................................................................................13
Removing the heat sink assembly.......................................................................................................13
Installing the heat sink assembly........................................................................................................ 14
Removing the memory....................................................................................................................... 14
Installing the memory..........................................................................................................................15
Removing the power supply unit........................................................................................................15
Installing the power supply unit (PSU)................................................................................................16
Removing the system fan....................................................................................................................16
Installing the system fan......................................................................................................................17
Removing the WLAN card...................................................................................................................18
Installing the WLAN card.....................................................................................................................18
Removing the coin cell battery...........................................................................................................18
Installing the coin cell battery.............................................................................................................19
Removing the expansion card............................................................................................................ 19
Installing the expansion card..............................................................................................................20
Removing the system board...............................................................................................................20
Installing the system board.................................................................................................................22
System Board Layout.......................................................................................................................... 23
2 Troubleshooting your computer.....................................................................25
Diagnostic power LED codes............................................................................................................. 25
Diagnostic error messages................................................................................................................. 26
System error messages.......................................................................................................................30
3 System Setup overview......................................................................................31
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