Dell Precision Tower 3620 Owner's Manual

Contents1 Working on your computer.................................................................................5Safety instructions................................................................................................................................. 5Before working inside your computer..................................................................................................6Turning off your computer................................................................................................................... 6After working inside your computer..................................................................................................... 72 Removing and installing components.............................................................. 8Recommended tools.............................................................................................................................8Removing the cover.............................................................................................................................. 8Installing the cover................................................................................................................................ 8Removing the front bezel..................................................................................................................... 9Installing the front bezel....................................................................................................................... 9Removing the hard drive assembly.......................................................................................................9Installing the hard drive assembly.......................................................................................................10Removing the optical drive................................................................................................................. 10Installing the optical drive....................................................................................................................11Removing the intrusion switch........................................................................................................... 12Installing the intrusion switch............................................................................................................. 12Removing the memory module..........................................................................................................12Installing the memory module............................................................................................................13Installing the PCIe Solid State Drive (SSD).......................................................................................... 13Removing the PCIe Solid State Drive (SSD) ....................................................................................... 14Removing the power supply unit (PSU).............................................................................................. 15Installing the power supply unit (PSU)................................................................................................16Removing the Input/Output (I/O) panel............................................................................................. 16Installing the Input/Output (I/O) panel............................................................................................... 16Removing the speaker......................................................................................................................... 17Installing the speaker........................................................................................................................... 17Removing the expansion card.............................................................................................................17Installing the expansion card.............................................................................................................. 18Removing the system fan....................................................................................................................18Installing the system fan......................................................................................................................19Removing the heat sink assembly...................................................................................................... 19Installing the heat sink assembly........................................................................................................ 20Removing the processor.................................................................................................................... 20Installing the processor....................................................................................................................... 21Removing the system board............................................................................................................... 21Installing the system board.................................................................................................................223