Maintenance and Service Guide

Processor .........................................................................................................................................................................38
Drive cage ........................................................................................................................................................................39
Solid-state drive ..............................................................................................................................................................40
Battery .............................................................................................................................................................................41
USB board.........................................................................................................................................................................42
Card reader.......................................................................................................................................................................43
Speaker ............................................................................................................................................................................44
Power supply ...................................................................................................................................................................45
System board ...................................................................................................................................................................46
Wireless antennas and cables .........................................................................................................................................48
5 Troubleshooting without diagnostics..................................................................................................................................51
Before you call for technical support ..............................................................................................................................51
Helpful hints.....................................................................................................................................................................52
Solving general problems................................................................................................................................................52
Cannot access the Computer Setup (F10) Utility when booting the computer ......................................................53
Computer appears locked up and will not turn o 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........................................................................................................53
Cannot remove computer cover or access panel ....................................................................................................54
Poor performance....................................................................................................................................................54
Computer powered o 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
Solving power problems..................................................................................................................................................56
Power supply shuts down intermittently................................................................................................................56
Computer turned o automatically, power light blinks red two times followed by a two-second pause, and
the computer beeps two times (Beeps stop after fth iteration but lights continue blinking) .............................56
Power light blinks red four times followed by a two-second pause and the computer beeps four times
(Beeps stop after fth iteration but lights continue blinking) ................................................................................57
Solving hard drive problems............................................................................................................................................57
Hard drive error occurs ............................................................................................................................................57
Disk transaction problem ........................................................................................................................................57
Drive not found (identied) .....................................................................................................................................58
Nonsystem disk/NTLDR missing message..............................................................................................................58
Computer will not boot from hard drive..................................................................................................................58
Computer seems to be locked up ............................................................................................................................59
Solving audio problems ...................................................................................................................................................59
Sound cuts in and out ..............................................................................................................................................59
Sound does not come out of the speaker or headphones ......................................................................................59
Computer appears to be locked up while recording audio......................................................................................60
Solving printer problems .................................................................................................................................................60
Printer will not print.................................................................................................................................................60
Printer will not turn on.............................................................................................................................................61
Printer prints garbled information ..........................................................................................................................61
Printer will not print.................................................................................................................................................61
Solving keyboard and mouse problems ..........................................................................................................................61
Keyboard commands and typing are not recognized by the computer..................................................................61
Mouse does not respond to movement or is too slow ............................................................................................62
Solving hardware installation problems .........................................................................................................................62
A new device is not recognized as part of the system ............................................................................................62
Computer will not start............................................................................................................................................63
Power light blinks red three times and then white two times................................................................................63
Solving network problems...............................................................................................................................................64
Network driver does not detect network controller ...............................................................................................64
Network status link light never blinks ....................................................................................................................64
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