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iii
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 rst ............................................. 20
Power system checkout................................ 21
Checking the AC adapter .................................21
Checking operational charging .........................21
Related service information ...................... 23
Restoring the factory contents by using
OneKey Recovery ........................................ 23
Restore of factory default .................................23
Using recovery discs.........................................23
Passwords .................................................... 24
Power-on password ..........................................24
Supervisor password .......................................24
Power management ..................................... 25
Screen blank mode ...........................................25
Sleep (standby) mode ......................................25
Hibernation mode .............................................26
Lenovo IdeaPad U300e .............................. 27
Specications ............................................... 27
Status indicators ........................................... 29
Function key combinations ........................... 30
FRU replacement notices ............................. 31
Screw notices ..................................................31
Removing and replacing an FRU ................. 32
1010 Base cover ...............................................33
1020 Battery pack .............................................35
1030 Hard disk drive .........................................36
1040 DIMM .......................................................37
1050 PCI Express Mini Card for
wireless LAN .....................................................38
1060 Fan assembly and Heat Sink
assembly...........................................................40
1070
System board ............................................42
1080 Speakers and microphone .......................45
1090 LCD unit ...................................................47
1100 Keyboard and keyboard bezel .................49
Locations ......................................................53
Front view .........................................................53
Right-side view .................................................54
Bottom and Left-side view ...............................54
Parts list ........................................................55
Overall ..............................................................56
Keyboard ..........................................................59
Miscellaneous parts ..........................................61
AC adapters ......................................................62
Power cords ......................................................63
Notices......................................................... 68
Trademarks .................................................. 69