Lenovo K2450 Notebook - Manual (Page 3)

iii
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
Checking the battery pack ......................... 22
Related service information .......................23
Restoring the factory contents by using
Recovery Disc Set .............................................. 23
Start Recovery Disc (one disc) ................... 23
Operating System Recovery Disc (one or
more discs) ................................................... 23
Applications and Drivers Recovery Disc
(one or more discs) ...................................... 23
Supplemental Recovery Disc ..................... 23
Passwords........................................................... 24
Using passwords ......................................... 24
Power management .......................................... 25
Power management .................................... 25
Checking the battery status ....................... 25
Using the ac power adapter....................... 25
Charging the battery ................................... 26
Maximizing the battery life........................ 26
Power-saving modes................................... 26
Sleep mode ................................................... 26
Hibernation mode ....................................... 27
Shutting down the computer..................... 27
Lenovo Zhao Yang K2450 .......................... 28
Specifications ...................................................... 28
Features ......................................................... 28
Specifications................................................ 29
Status indicators................................................. 30
Special keys and buttons .................................. 32
Function key combinations ........................ 32
FRU replacement notices .................................. 34
Screw notices ................................................ 34
Removing and replacing an FRU .................... 35
1010 Keyboard.............................................. 36
1020 Battery pack ......................................... 38
1030 Dummy card........................................ 41
1040 Hard disk drive ................................... 42
1050 DIMM ................................................... 44
1060 PCI Express Mini Card for wireless
LAN/WAN and SSD card.......................... 45
1070 System board ....................................... 47
1080 Fan assembly and Heat Sink
assembly........................................................ 51
1090 LCD unit............................................... 53
1100 Speaker, base cover, finger printer
board, power assembly and LED board... 55
1110 LCD front bezel................................... 58
1120 LCD panel, LCD cable and hinges ... 59
1130 Integrated camera ............................... 61
1140 Antenna assembly and LCD cover... 62
Locations ............................................................. 63
Front view ..................................................... 63
Bottom view.................................................. 64
Left-side view ............................................... 65
Right-side view ............................................ 66
Parts list ............................................................... 67
Overall ........................................................... 68
LCD FRUs ..................................................... 72
Keyboard....................................................... 74
AC adapters.................................................. 76
Power cords .................................................. 77
Notices ......................................................... 78
Trademarks......................................................... 79
Contents