Cables and connectors
.....................................................................................................................................
19
Hard drives
.........................................................................................................................................................
19
Lithium coin cell battery
...................................................................................................................................
20
SATA hard drives
.....................................................................................................................................................................
20
Cable management
...............................................................................................................................................................
21
4
Removal and replacement procedures
..............................................................................................................................................
23
Preparation for disassembly
................................................................................................................................................
23
Access panel
...........................................................................................................................................................................
23
Optical drive
............................................................................................................................................................................
24
Front bezel
..............................................................................................................................................................................
25
Optical drive cage
...................................................................................................................................................................
26
2.5 inch hard drive
.................................................................................................................................................................
27
3.5 inch primary hard drive
...................................................................................................................................................
28
Memory modules (DIMMs)
....................................................................................................................................................
33
Expansion card
.......................................................................................................................................................................
36
Solid-state drive
.....................................................................................................................................................................
37
WLAN module
.........................................................................................................................................................................
39
Speaker
....................................................................................................................................................................................
41
Fan
............................................................................................................................................................................................
41
Battery
.....................................................................................................................................................................................
42
Heat sink
..................................................................................................................................................................................
44
Processor
.................................................................................................................................................................................
46
Power supply
..........................................................................................................................................................................
47
System board
..........................................................................................................................................................................
50
System board callouts
......................................................................................................................................
50
5
Troubleshooting without diagnostics
.................................................................................................................................................
51
Before you call for technical support
..................................................................................................................................
51
Helpful hints
............................................................................................................................................................................
52
Solving general problems
.....................................................................................................................................................
53
Cannot access the Computer Setup (F10) Utility when booting the computer
.......................................
53
Computer appears locked up and will not turn off when the power button is pressed
........................
53
Computer will not respond to keyboard or mouse
......................................................................................
53
Computer date and time display is incorrect
................................................................................................
53
There is no sound or sound volume is too low
.............................................................................................
54
Cannot remove computer cover or access panel
.........................................................................................
54
Poor performance
.............................................................................................................................................
54
Computer powered off automatically and the power light blinks red four times and then white
two times
............................................................................................................................................................
55
System does not turn on and the lights on the front of the computer are not blinking
.......................
55
iv
ENWW