Cable management ..................................................................................................................................................................................................................24
4 Removal and replacement procedures........................................................................................................................................................................... 26
Preparation for disassembly............................................................................................................................................................................................. 26
Feet .......................................................................................................................................................................................................................................................27
Front bezel........................................................................................................................................................................................................................................27
Dust filter ......................................................................................................................................................................................................................................... 28
Access panel ................................................................................................................................................................................................................................ 29
Hard drive ........................................................................................................................................................................................................................................29
Drive insert...................................................................................................................................................................................................................................... 31
Power supply.................................................................................................................................................................................................................................. 31
CPU/memory panel .................................................................................................................................................................................................................. 32
Battery...............................................................................................................................................................................................................................................33
Front fan............................................................................................................................................................................................................................................36
I/O assembly..................................................................................................................................................................................................................................38
Optical drive...................................................................................................................................................................................................................................39
Memory fan....................................................................................................................................................................................................................................40
Memory modules (DIMMs)................................................................................................................................................................................................... 41
Solid-state drive.......................................................................................................................................................................................................................... 44
Heat sink...........................................................................................................................................................................................................................................46
Processor .........................................................................................................................................................................................................................................47
Rear fan............................................................................................................................................................................................................................................. 49
PCIe retainer panel ...................................................................................................................................................................................................................49
PCIe retainer fan.........................................................................................................................................................................................................................50
Front card guide and fan........................................................................................................................................................................................................ 51
Expansion card............................................................................................................................................................................................................................ 52
System board................................................................................................................................................................................................................................ 54
Power distribution board...................................................................................................................................................................................................... 55
5 Troubleshooting without diagnostics................................................................................................................................................................................58
Before you call for technical support..........................................................................................................................................................................58
Helpful hints...................................................................................................................................................................................................................................59
Solving general problems....................................................................................................................................................................................................59
Cannot access the Computer Setup (F10) Utility when booting the computer.................................................................60
Computer appears locked up and will not turn off when the power button is pressed..............................................60
Computer will not respond to keyboard or mouse.................................................................................................................................60
Computer date and time display is incorrect ............................................................................................................................................60
There is no sound or sound volume is too low............................................................................................................................................61
Cannot remove computer cover or access panel .................................................................................................................................. 61
Poor performance...........................................................................................................................................................................................................61
System does not turn on and the lights on the front of the computer are not blinking...............................................62
iv
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