Table Of Contents - Dell Vostro 3491 Service Manual

1 Working on your computer............................................................................................................ 6
Safety instructions.................................................................................................................................................................6
Before working inside your computer........................................................................................................................... 6
Electrostatic discharge-ESD protection.................................................................................................................... 7
ESD field service kit ........................................................................................................................................................ 7
Transporting sensitive components.............................................................................................................................. 8
After working inside your computer.............................................................................................................................. 8
2 Removing and installing components............................................................................................. 9
Recommended tools..............................................................................................................................................................9
Screw list................................................................................................................................................................................ 9
Secure Digital Card.............................................................................................................................................................. 10
Removing the Secure Digital card................................................................................................................................10
Installing the Secure Digital card................................................................................................................................... 11
Base cover............................................................................................................................................................................. 11
Removing the base cover.............................................................................................................................................. 11
Installing the base cover................................................................................................................................................ 13
Battery................................................................................................................................................................................... 14
Lithium-ion battery precautions................................................................................................................................... 14
Removing the battery.................................................................................................................................................... 15
Installing the battery...................................................................................................................................................... 15
Memory modules..................................................................................................................................................................16
Removing the memory module.....................................................................................................................................16
Installing the memory module....................................................................................................................................... 17
WLAN card............................................................................................................................................................................18
Removing the WLAN card............................................................................................................................................ 18
Installing the WLAN card...............................................................................................................................................19
Solid-state drive/Intel Optane (Optional)........................................................................................................................ 20
Removing the M.2 2230 Solid-state drive................................................................................................................. 20
Installing the M.2 2230 Solid-state drive.....................................................................................................................21
Removing the M.2 2280 Solid-state drive or Intel Optane memory - Optional.....................................................23
Installing the M.2 2280 Solid-state drive or Intel Optane memory - Optional....................................................... 23
Coin-cell battery.................................................................................................................................................................. 24
Removing the coin-cell..................................................................................................................................................24
Installing the coin-cell battery...................................................................................................................................... 25
Hard drive............................................................................................................................................................................. 26
Removing the hard drive assembly............................................................................................................................. 26
Installing the hard drive assembly................................................................................................................................28
System fan........................................................................................................................................................................... 30
Removing the system fan.............................................................................................................................................30
Installing the system fan................................................................................................................................................ 31
Heat sink............................................................................................................................................................................... 33
Removing the heatsink - UMA.....................................................................................................................................33
Installing the heatsink - UMA....................................................................................................................................... 33
Contents
Contents 3