Home » Lenovo Manuals » Laptops » Lenovo B50-45 » Manual Viewer

Lenovo B50-45 Hardware Maintenance Manual - Lenovo B50-xx, B50-30 Touch Notebo - Page 80

Table, Parts, list-Keyboard, continued

Add to My Manuals
Save this manual to your list of manuals

Page 80 highlights

Lenovo B50-30/B50-30 Touch/B50-45/ B50-70 Hardware Maintenance Manual Table 7. Parts list-Keyboard (continued) Language Sunrex English U.K. English Italian Spanish Turkish Thailand Portugue Latin Canada English &French Korean Tradational Chinese Russian French German Arabic Brazilian Japanese Dutch Greek Hebrew Hungarian Nordic Belgian Iceland Slovenian Swiss International English Czechoslovakian Bulgarian India P/N 25214755 25214756 25214757 25214758 25214759 25214760 25214761 25214762 25214763 25214764 25214765 25214766 25214767 25214768 25214769 25214770 25214771 25214772 25214773 25214774 25214775 25214776 25214777 25214778 25214779 25214780 25214781 25214782 25214783 25214784 CRU ID ** 76

Section	Page
Contents	3
About this manual	4
Safety information	5
General safety	6
Electrical safety	7
Safety inspection guide	9
Handling devices that are sensitive to electrostatic discharge	10
Grounding requirements	10
Safety notices: multilingual translations	11
Laser compliance statement	18
Important service information	20
Strategy for replacing FRUs	20
Strategy for replacing a hard disk drive	21
Important notice for replacing a system board	21
Important information about replacing RoHS compliant FRUs	22
General checkout	23
What to do first	24
Power system checkout	25
Checking the AC adapter	25
Checking operational charging	25
Checking the battery pack	26
Related service information	27
Restoring the factory contents by using Recovery Disc Set	27
Passwords	28
Power-on password	28
Hard-disk password	28
Supervisor password	28
Power management	29
Screen blank state	29
Putting the computer to sleep or shutting it down	29
Lenovo B50-30/B50-30 Touch/B50-45/B50-70	31
Specifications	31
Status indicators	33
Fn key combinations	34
Hotkeys	34
FRU replacement notices	35
Screw notices	35
Removing and replacing an FRU	36
1010 Battery pack	37
1020 Optical drive	38
1030 Bottom slot cover	40
1040 Hard disk drive	41
1050 DIMM	43
1060 PCI Express Mini Card for wireless LAN/WAN	44
1070 Keyboard	45
1080 Keyboard bezel	47
1090 Finger print and power board	49
1100 USB board and ODD board	51
1110 Led board	52
1120 Docking board (on select models)	53
1130 System board	54
1140 Fan and heat sink assembly	57
1150 Speakers and battery board	58
1160 LCD unit and base cover	59
1170 LCD front bezel	63
1180 LCD panel	64
1190 LCD hinges	66
1200 Antenna, LCD cable, and integrated camera	67
Locations	69
Front view	69
Right-side view	70
Bottom and left-side view	71
Parts list	72
Overall	73
LCD FRUs	77
Keyboard	79
Miscellaneous parts	82
AC adapters	83
Screws	83
Power cords	84
Notices	87