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Инструкция по эксплуатации Страница: 48

Lenovo b51-30, 80lk00lfrk [48/52] Replacing the keyboard

Appendix A. CRU instructions

Replacing the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

To replace the keyboard, do the following:

Remove the battery pack. For details, see “Replacing the battery pack” on

page 33.

Remove the screws .

Turn the computer over and open the display panel.

Note:

• Make sure the computer is turned off and all the cables disconnected from the computer

before you replace the keyboard.

• Make sure the computer display is closed to avoid being damaged.

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B41 b51 n41 n51 1
Lenovo 1
User guide 1
Lenovo 3
User guide 3
Appendix a cru instructions 2 5
Chapter 1 getting to know your computer 5
Chapter 2 learning the basics 5 5
Chapter 3 lenovo onekey recovery system 3 chapter 4 troubleshooting 5 5
Contents 5
Trademarks 7 5
B41 35 b41 30 n41 35 n41 30 7
Chapter 1 getting to know your computer 7
Top view 7
Attention 8
B51 35 b51 30 n51 35 n51 30 8
Chapter 1 getting to know your computer 8
Built in microphone on select models 9
Chapter 1 getting to know your computer 9
Display 9
Fingerprint reader on select models 9
Integrated camera on select models 9
Power button 9
Speakers 9
Touchpad 9
Touchpad buttons 9
Wireless antennas on select models 9
Hotkeys 10
Numeric keypad applicable for b51 n51 series 10
Using the keyboard 10
Function key combinations 11
Ac power adapter jack 12
B41 35 b41 30 n41 35 n41 30 12
B51 35 b51 30 n51 35 n51 30 12
Chapter 1 getting to know your computer 12
Connects the ac power adapter 12
Left side view 12
Lenovo onelink connector on select models 12
To use the lenovo onelink connector you need to remove the connector cover from the lenovo onelink connector first 12
When the ac power adapter is connected to the ac power adapter jack it provides power to the computer and charges the battery when a supported thinkpad onelink dock is connected to the lenovo onelink connector it can not only extend the computer capabilities but also provide ac power to the computer and charge the battery 12
Chapter 1 getting to know your computer 13
Connect to usb devices for details see connecting usb devices on page 8 13
Connects the computer to an ethernet network 13
Connects to devices with hdmi input such as a tv or a display 13
Connects to external display devices 13
Dissipates internal heat 13
Hdmi port 13
Rj 45 port 13
Usb 3 ports 13
Ventilation slots 13
Vga port 13
Connecting usb devices 14
Cable cable internet services use a cable modem connected to the residential cable tv line 15
Cables dsl 15
Chapter 1 getting to know your computer 15
Connecting to a wired network 15
Consult your internet service provider isp for details about how to configure your computer 15
Dsl dsl is a family of related technologies that bring high speed network access to homes and small businesses over ordinary telephone lines 15
Hardware connections 15
Software configuration 15
Wired connections are a reliable and safe way to connect the computer to the internet 15
B41 35 b41 30 n41 35 n41 30 16
B51 35 b51 30 n51 35 n51 30 16
Chapter 1 getting to know your computer 16
Combo audio jack 16
Connects to a headset 16
Connects to usb devices for details see connecting usb devices on page 8 16
Novo button 16
Right side view 16
Usb port 16
When the computer is off press this button to start the lenovo onekey recovery system or to startup normally or the bios setup utility or to enter the boot menu 16
Chapter 1 getting to know your computer 17
Kensington lock slot 17
Optical drive on select models 17
Front view 18
Power and battery status indicator 18
System status indicators 18
Chapter 1 getting to know your computer 19
Gently pull the memory card out of the memory card slot 19
Hard disk drive indicator 19
Inserting a memory card 19
Push the memory card in until you hear a click 19
Removing a memory card 19
Slide a memory card in until it clicks into place 19
Using memory cards not supplied 19
When this indicator is on the hard disk drive is reading or writing data 19
Your computer supports the following types of memory card secure digital sd card secure digital high capacity sdhc card sd extended capacity sdxc card multimediacard mmc 19
Battery latch manual 20
Battery latch spring loaded 20
Battery pack 20
Bottom slot cover 20
Bottom view 20
Chapter 1 getting to know your computer 20
Chapter 2 learning the basics 21
Configuring the operating system for the first time 21
Putting the computer to sleep or shutting it down 21
Putting your computer to sleep 21
Shutting down the computer 22
Connecting to a wireless network 24
Enabling the wireless connection 24
Software configuration 24
Help and support 25
Operating system interfaces for the windows 8 operating system 26
Start screen desktop 26
Charms and the charms bar for the windows 8 operating system 27
Search charm 27
Devices charm 28
Settings charm 28
Share charm 28
Start charm 28
Backing up the system partition 29
Chapter 3 lenovo onekey recovery system 29
Restoring 29
Chapter 4 troubleshooting 31
Drivers and preinstalled software 31
Finding information 31
Frequently asked questions 31
Bios setup utility 32
Lenovo onekey recovery system 32
Getting help 33
Chapter 4 troubleshooting 34
Display problems 34
Troubleshooting 34
Bios password problems 35
Chapter 4 troubleshooting 35
Sleep problems 35
Battery problems 36
Chapter 4 troubleshooting 36
Hard disk drive problem 36
Sound problems 36
Chapter 4 troubleshooting 37
Other problems 37
Appendix a cru instructions 38
Replacing the battery pack 39
Appendix a cru instructions 40
Do not apply pressure to the cover of the drive do not touch the connector of the drive 40
Do not drop the drive or subject it to physical shock put the drive on a material such as soft cloth that absorbs any physical shock 40
Handling a hard disk drive 40
Replacing the hard disk drive 40
The hard disk drive is very sensitive incorrect handling can cause damage and permanent loss of data on the hard disk before removing the hard disk drive make a backup copy of all the information on the hard disk and then turn the computer off never remove the hard disk drive while the system is operating or in sleep mode 40
You can increase the storage capacity of your computer by replacing the hard disk drive with one of greater capacity you can purchase a new hard disk drive from your reseller or lenovo marketing representative 40
Replacing the memory 43
Appendix a cru instructions 46
Page 33 46
Remove the battery pack for details see replacing the battery pack on 46
Remove the screw 46
Replacing the optical drive 46
To replace the optical drive do the following 46
Replacing the keyboard 48
Appendix a cru instructions 50
Optional service crus 50
The following table provides a list of crus for your computer and informs you of where to find replacement instructions self service crus 50
Trademarks 51

Lenovo b51-30, 80lk00lfrk [48/52] Replacing the keyboard

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