Cable management .................................................................................................................................................................................................................20
4 Removal and replacement procedures........................................................................................................................................................................... 22
Preparation for disassembly............................................................................................................................................................................................. 22
Access panel ................................................................................................................................................................................................................................ 23
Battery............................................................................................................................................................................................................................................... 23
Optical drive................................................................................................................................................................................................................................... 25
Front bezel....................................................................................................................................................................................................................................... 26
Hard drives ......................................................................................................................................................................................................................................27
Speaker............................................................................................................................................................................................................................................. 29
WLAN module...............................................................................................................................................................................................................................30
Solid-state drive.......................................................................................................................................................................................................................... 32
Memory modules (DIMMs)..................................................................................................................................................................................................34
Expansion card.............................................................................................................................................................................................................................37
Fan hood...........................................................................................................................................................................................................................................39
Option board .................................................................................................................................................................................................................................39
Heat sink...........................................................................................................................................................................................................................................40
Processor ........................................................................................................................................................................................................................................ 42
Power supply................................................................................................................................................................................................................................. 44
System board................................................................................................................................................................................................................................ 45
Wireless antennas (select models only)....................................................................................................................................................................47
5 Troubleshooting without diagnostics................................................................................................................................................................................50
Before you call for technical support..........................................................................................................................................................................50
Helpful hints.................................................................................................................................................................................................................................... 51
Solving general problems..................................................................................................................................................................................................... 51
Cannot access the Computer Setup (F10) Utility when booting the computer................................................................. 52
Computer appears locked up and will not turn off when the power button is pressed.............................................. 52
Computer will not respond to keyboard or mouse................................................................................................................................. 52
Computer date and time display is incorrect ............................................................................................................................................ 52
There is no sound or sound volume is too low...........................................................................................................................................53
Cannot remove computer cover or access panel ................................................................................................................................. 53
Poor performance..........................................................................................................................................................................................................53
System does not turn on and the lights on the front of the computer are not blinking...............................................54
Solving power problems.......................................................................................................................................................................................................54
Power supply shuts down intermittently........................................................................................................................................................54
Solving hard drive problems..............................................................................................................................................................................................55
Hard drive error occurs.............................................................................................................................................................................................. 55
Disk drive transaction problem ............................................................................................................................................................................55
Drive not found (identified) ......................................................................................................................................................................................55
Nonsystem disk/NTLDR missing message .................................................................................................................................................56
Computer will not boot from hard drive..........................................................................................................................................................56
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