Table Of Contents - Lenovo ideapad 520H-15IKB Maintenance Manual

Contents
About this manual ....................................... iv
Safety information ........................................ 1
General safety ................................................ 2
Electrical safety .............................................. 3
Safety inspection guide .................................. 5
Handling devices that are sensitive to
electrostatic discharge . ................................... 6
Grounding requirements . ................................ 6
Safety notices: multilingual translations.......... 7
Laser compliance statement......................... 14
Important service information ................... 16
Strategy for replacing FRUs ......................... 16
Strategy for replacing a hard disk drive ............17
Important notice for replacing a system
board ................................................................17
Important information about replacing
RoHS compliant FRUs ................................. 18
General checkout ...................................... 19
What to do first ............................................. 20
Power system checkout................................ 21
Checking the AC adapter . ................................21
Checking operational charging .........................22
Checking the battery pack ................................22
Related service information ...................... 23
Restoring the factory contents by using
recovery system ........................................... 23
Restore of factory default .................................23
Passwords .................................................... 24
Power-on password . .........................................24
Hard-disk password . .........................................24
Administrator password ....................................24
Power management ..................................... 25
Putting the computer to sleep or shutting
it down ..............................................................25
Putting your computer to sleep . ........................25
Shutting down the computer . ............................25
Lenovo ideapad 520 ................................... 26
Specifications ............................................... 26
Status indicators ........................................... 28
Fn key combinations/Hotkeys....................... 29
FRU replacement notices ............................. 30
Screw notices ..................................................30
Removing and replacing an FRU ................. 31
1010 Optical drive . ............................................32
1020 Base cover . ..............................................33
1030 Battery pack . ............................................35
1040 Hard disk drive . ........................................37
1050 DIMM .......................................................39
1060 PCI Express Mini Card for wireless
LAN . ..................................................................40
1070 Fan and heat sink assembly . ...................43
1080 ODD Board ..............................................46
1090 Speaker ...................................................47
1100 Upper case . ..............................................48
1110 System board ............................................ 50
1120 LCD unit ...................................................52
1130 LCD hinges ..............................................54
1140 EDP cable and integrated camera ...........56
Locations ...................................................... 58
Front and right-side view ..................................58
Bottom and left-side view ................................59
Parts list . ....................................................... 60
Overall ..............................................................61
LCD FRUs ........................................................73
Miscellaneous parts . .........................................74
AC adapters . .....................................................75
Screws . .............................................................76
Notices......................................................... 77
Trademarks .................................................. 78
iii