Cable management .............................................................................................................................................. 18
4 Removal and Replacement Procedures .......................................................................................................... 19
Preparing to disassemble the computer ............................................................................................................. 19
Stand .................................................................................................................................................................... 19
VESA bracket ........................................................................................................................................................ 19
Webcam ............................................................................................................................................................... 21
Rear port cover .................................................................................................................................................... 24
Locating internal components under the rear port cover ................................................................................... 24
Hard drive ............................................................................................................................................................. 25
Optical drive ......................................................................................................................................................... 27
M.2 solid-state drive ............................................................................................................................................ 29
Memory ................................................................................................................................................................ 30
Battery ................................................................................................................................................................. 32
WLAN module ...................................................................................................................................................... 33
Option board ........................................................................................................................................................ 34
Hood sensor ......................................................................................................................................................... 35
Fan assembly ....................................................................................................................................................... 36
Heat sink .............................................................................................................................................................. 37
Processor ............................................................................................................................................................. 39
System board ....................................................................................................................................................... 40
System board callouts ......................................................................................................................................... 42
Speakers .............................................................................................................................................................. 43
Power button board ............................................................................................................................................. 45
Rear enclosure and display assembly ................................................................................................................. 47
Antennas .............................................................................................................................................................. 51
5 Troubleshooting without diagnostics ............................................................................................................ 52
Safety and comfort .............................................................................................................................................. 52
Before you call for technical support .................................................................................................................. 52
Helpful hints ........................................................................................................................................................ 53
Solving general problems .................................................................................................................................... 54
Solving power problems ...................................................................................................................................... 57
Solving hard drive problems ................................................................................................................................ 58
Solving audio problems ....................................................................................................................................... 60
Solving printer problems ..................................................................................................................................... 61
Solving keyboard and mouse problems .............................................................................................................. 62
Solving hardware installation problems ............................................................................................................. 63
Solving network problems .................................................................................................................................. 64
Solving memory problems .................................................................................................................................. 66
Solving USB ash drive problems ........................................................................................................................ 68
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