Cooling fans........................................................................................................................................ 36
Removing a cooling fan................................................................................................................36
Installing a cooling fan.................................................................................................................. 37
Cooling shroud................................................................................................................................... 38
Removing the cooling shroud...................................................................................................... 38
Installing the cooling shroud........................................................................................................ 39
System memory.................................................................................................................................. 39
General memory module installation guidelines.........................................................................40
Removing memory modules........................................................................................................40
Installing memory modules...........................................................................................................41
Dell PERC H310 card and risers..........................................................................................................43
Removing the Dell PERC H310 card.............................................................................................43
Installing the Dell PERC H310 card.............................................................................................. 44
Removing the DELL PERC H310 card riser.................................................................................. 45
Installing the Dell PERC H310 card riser...................................................................................... 46
System battery.....................................................................................................................................46
Replacing the system battery....................................................................................................... 46
Processor.............................................................................................................................................47
Removing the processor...............................................................................................................47
Installing the processor.................................................................................................................49
Power supply unit............................................................................................................................... 50
Removing the power supply unit.................................................................................................. 51
Installing the power supply unit....................................................................................................52
System board.......................................................................................................................................52
Removing the system board......................................................................................................... 52
Installing the system board........................................................................................................... 53
4 Troubleshooting your system.......................................................................... 55
Safety first—for you and your system.................................................................................................55
Troubleshooting external connections..............................................................................................55
Troubleshooting the video subsystem...............................................................................................55
Troubleshooting a USB device........................................................................................................... 55
Troubleshooting a serial I/O device................................................................................................... 56
Troubleshooting a NIC....................................................................................................................... 56
Troubleshooting a wet system........................................................................................................... 57
Troubleshooting a damaged system..................................................................................................57
Troubleshooting the system battery.................................................................................................. 58
Troubleshooting the power supply....................................................................................................58
Troubleshooting cooling problems................................................................................................... 59
Troubleshooting cooling fans............................................................................................................ 59
Troubleshooting system memory...................................................................................................... 59
Troubleshooting a hard drive.............................................................................................................60
4