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Lenovo Skrivbord IdeaCentre B550

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Lenovo B550

Hardware

Maintenance

Manual

Note:

Before using this information and the product it supports, be sure to read the general information under

“Notices” on page 86.

First Edition (March 2010)

LENOVO products, data, computer software, and services have been developed exclusively at

private expense and are sold to governmental entities as commercial items as dened by 48 C.F.R.

2.101 with limited and restricted rights to use, reproduction and disclosure.

LIMITED AND RESTRICTED RIGHTS NOTICE: If products, data, computer software, or services

are delivered pursuant a General Services Administration ″GSA″ contract, use, reproduction, or

disclosure is subject to restrictions set forth in Contract No. GS-35F-05925.

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 ......................... 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 rst ............................................. 02

Power system checkout................................ 12

Checking the AC adapter ................................. 12

Checking operational charging ......................... 12

Checking the battery pack ...............................22

Related service information ...................... 23

Restoring the factory contents by using

OneKey Recovery ........................................ 32

Restore of factory default ................................. 32

Using recovery ......................................... 3discs 2

Passwords .................................................... 42

Power-on password .......................................... 42

Supervisor password ....................................... 42

Power management ..................................... 52

Screen blank mode ........................................... 52

Sleep (standby) mode ...................................... 52

Hibernation mode .............................................26

Lenovo B550 ............................................... 27

Specications ............................................... 27

Status indicators ........................................... 92

Fn key combinations..................................... 31

FRU replacement notices ............................. 32

Screw notices ..................................................32

Removing and replacing an FRU ................. 33

1010 Battery pack .............................................34

1020 Hard disk drive (HDD) slot cover

and HDD ...........................................................35

1030 Memory/Wireless module/CPU

(central processing unit) compartment cover ...37

1040 Optical drive .............................................38

1050 DIMM .......................................................39

1060 Fan assembly and Heat Sink assembly ... 40

1070 CPU .........................................................43

1080 PCI Express Mini Card for wireless

LAN/WAN .........................................................44

1090 Keyboard cover and power board ...........46

1100 Keyboard ..................................................49

1110 LCD unit ...................................................51

1120 Keyboard bezel ........................................55

1130

System board ........................................... 59

1140 Bluetooth daughter card, speakers

and base cover .................................................62

1150 LCD front bezel ........................................66

1160 LCD panel and hinges .............................67

1170 Integrated camera .................................... 96

1180 Antenna assembly and LCD cover .......... 07

Locations ...................................................... 17

Front view ......................................................... 17

Right-side view .................................................72

Bottom and Left-side view ...............................72

Parts list ........................................................ 37

Overall .............................................................. 47

LCD FRUs ........................................................ 87

Keyboard ..........................................................80

Miscellaneous parts ..........................................82

AC adapters ......................................................83

Power cords ......................................................84

Notices......................................................... 86

Trademarks .................................................. 87

Produktspecifikationer

Varumärke:	Lenovo
Kategori:	Skrivbord
Modell:	IdeaCentre B550
Enhetsplacering:	Vrijstaand
Färg på produkten:	Wit
Dörrgångjärn:	Rechts
Vikt:	39000 g
Bredd:	550 mm
Djup:	612 mm
Höjd:	850 mm
Ljudnivå:	40 dB
Årlig-energiförbrukning:	145 kWu
Energieffektivitetsklass (gammal):	A++
Frys bruttokapacitet:	- l
Frys nettokapacitet:	91 l
Fryskapacitet:	12 kg/24u
Dörröppningsriktning utbytbar:	Ja
Retentionstid vid strömavbrott:	22 uur
Antal fryshyllor:	3
Temperaturlarm:	Ja
Typ produkt:	Vrieskast