Lenovo U300E manual Contents

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	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
Specifications	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

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