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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 ......................... 1
6
Strategy for replacing a hard disk drive ............1
7
Important notice for replacing a system board
..1
7
How to use error message ...............................1
7
Strategy for replacing FRUs for CTO, CMV, and
GAV .............................................................. 18
Product definition ..............................................18
FRU identification for CTO, CMV, and GAV
products
............................................................18
Important information about replacing RoHS
compliant FRUs ............................................
2
0
General checkout ...................................... 21
What to do first .............................................
22
Power system checkout................................
2
3
Checking the AC adapter .................................
2
3
Checking operational charging .........................
2
3
Checking the battery pack ...............................
2
4
Related service information ...................... 25
Restoring the factory contents by using
OneKey Recovery ........................................
2
5
Restore of factory default .................................
2
5
Using recovery disks.........................................
2
5
Passwords
....................................................
26
Power-on password ..........................................
26
Hard-disk password .........................................
26
Supervisor password .......................................
27
How to remove the hard-disk password ..........
27
Power management
.....................................
2
8
Screen blank mode ...........................................
2
8
Sleep (standby) mode ......................................
2
8
Hibernation mode .............................................
2
9
Symptom-to-FRU index ................................ 30
Numeric error codes
.........................................30
Error messages
...............................................3
2
Beep symptoms
................................................33
No-beep symptoms ..........................................33
LCD-related symptoms .....................................34
Intermittent problems
........................................35
Undetermined problems ...................................35
Lenovo IdeaPad Y450 ................................. 36
Specifications ............................................... 3
6
Status indicators ........................................... 39
FRU tests ...................................................... 41
Fn key combinations..................................... 4
2
FRU replacement notices ............................. 43
Screw notices ..................................................43
Retaining serial numbers ..................................44
Removing and replacing an FRU ................. 4
7
1010 Battery pack .............................................48
1020 Hard disk drive (HDD) slot cover
and HDD ...........................................................49
1030 Optical drive .............................................51
1040 Thermal slot cover ...................................5
2
1050 DIMM .......................................................53
1060 Fan assembly and Heat Sink assembly ..54
1070 PCI Express Mini Card for wireless
LAN/WAN
.........................................................5
7
1080 CPU .........................................................59
1090 Keyboard cover, power board
and slidebar
......................................................
6
0
1100 Keyboard ..................................................
6
3
1110 Keyboard bezel and speaker ...................
6
4
1120 LCD unit ...................................................
7
0
1130 System board and PC Card/ExpressCard
slots assembly
....................................................
72
1140 Bluetooth daughter card and base cover .
76
1150 LCD front bezel ........................................
7
9
1160 LCD panel, LCD cable, and hinges..........80
1170 Integrated camera ....................................83
1180 Antenna assembly and LCD cover ..........84
Locations
...................................................... 85
Front view .........................................................85
Right-side view .................................................8
6
Bottom and Left-side view ...............................8
6
Parts list
........................................................ 8
7
Overall
..............................................................88
LCD FRUs ........................................................9
2
Keyboard
..........................................................94
Miscellaneous parts
..........................................95
AC adapters ......................................................9
6
Power cords
......................................................9
7
Common service tools ......................................98
Notices......................................................... 99
Trademarks ................................................ 100