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Other manuals for this model:
Notebooks and Netbooks - B50-30 Laptop (Lenovo) (185.32 kb)
Notebooks and Netbooks - B50-30 Laptop (Lenovo) (285.72 kb)
manual abstract
Contents
About this manual........................................iv
1020 Optical drive........................................ 34
1030 Bottom slot cover ................................ 36
Safety information.........................................1
1040 Hard disk drive ................................... 37
General safety ...................................................... 2
1050 DIMM ................................................... 39
Electrical safety .................................................... 3
1060 PCI Express Mini Card for wireless
Safety inspection guide ...................................... 5
LAN/WAN.................................................... 40
Handling devices that are sensitive to electro-
1070 Keyboard.............................................. 41
static discharge .................................................... 6
1080 Keyboard bezel ................................... 43
Grounding requirements ................................... 6
1090 Finger print and power board .......... 45
Safety notices: multilingual translations.......... 7
1100 USB board and ODD board............... 47
Laser compliance statement............................. 14
1110 Led board ............................................. 48
Important service information ...................16
1120 Docking board (on select models).... 49
Strategy for replacing FRUs............................. 16
1130 System board ....................................... 50
Strategy for replacing a hard disk
1140 Fan and heat sink assembly .............. 53
drive .............................................................. 17
1150 Speakers and battery board............... 54
Important notice for replacing a system
1160 LCD unit and base cover ................... 55
board ............................................................. 17
1170 LCD front bezel................................... 59
Important information about replacing RoHS
1180 LCD panel ............................................ 60
compliant FRUs ................................................. 18
1190 LCD hinges .......................................... 62
1200 Antenna, LCD cable, and integrated
General checkout ........................................19
camera ........................................................... 63
What to do first .................................................. 20
Locations ............................................................. 65
Power system checkout .................................... 21
Front view..................................................... 65
Checking the AC adapter........................... 21
Right-side view ............................................ 66
Checking operational charging ................. 21
Bottom and left-side view .......................... 67
Checking the battery pack ......................... 22
Parts list............................................................... 68
Overall ........................................................... 69
Related service information .......................23
LCD FRUs ................................................... 102
Restoring the factory contents by using Recov-
Keyboard..................................................... 105
ery Disc Set ......................................................... 23
Miscellaneous parts ................................... 108
Passwords........................................................... 24
AC adapters................................................ 109
Power-on password .................................... 24
Screws.......................................................... 109
Hard-disk password ................................... 24
Power cords ................................................ 110
Supervisor password .................................. 24
Power management .......................................... 25
Notices ....................................................... 113
Screen blank state ........................................ 25
Trademarks....................................................... 114
Putting the computer to sleep or shutting it
down ............................................................. 25
Lenovo B50-30/B50-30 Touch/B50-45/
B50-70/B50-80 .............................................27
Specifications ..................................................... 27
Status indicators ................................................ 29
Fn key combinations ......................................... 30
Hotkeys ............................................................... 30
FRU replacement notices.................................. 31
Screw notices................................................ 31
Removing and replacing an FRU.................... 32
1010 Battery pack......................................... 33
iii
...Other models in this manual:
Notebooks and Netbooks - B50-30 Touch Laptop (Lenovo) (7.24 mb)
Notebooks and Netbooks - B50-45 Laptop (Lenovo) (7.24 mb)
Notebooks and Netbooks - B50-70 Laptop (Lenovo) (7.24 mb)
Notebooks and Netbooks - Lenovo B50-80 Notebook (7.24 mb)