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Lenovo B41 80 B51 80 Laptop User Guide

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Page 41 Appendix A. CRU instructions
35
4Remove the hard disk drive by gently pulling it in the direction of the
arrow
.
5Remove the screws and detach the metal frame from the hard disk drive.
6Attach the metal frame to a new hard disk drive and tighten the screws.
7Slide the new hard disk drive firmly into place, and then reinstall the
frame fixing screws to secure the drive.
8Reinstall the bottom slot cover and tighten the screws.
9Reinstall the battery pack. For details, see “Replacing the battery pack” on...

Page 42 36
Appendix A. CRU instructions
Replacing the memory - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
You can increase the amount of memory in your computer by installing
double data rate three synchronous dynamic random access memory
(DDR3L SDRAM)-available as an option-in the memory slot of your
computer. DDR3L SDRAM modules are available in various capacities.
To install a DDR3L SDRAM module,...

Page 43 Appendix A. CRU instructions
37
4If two DDR3L SDRAM modules are already installed in the memory slot,
remove one of them to make room for the new one by pulling out on the
latches on both edges of the socket at the same time. Be sure to save the
old DDR3L SDRAM for future use.
5Align the notch of the DDR3L SDRAM module with the protrusion of the
socket and gently insert the new module at a 30-45° angle.
6Push the DDR3L SDRAM module down until the latches on both sides of
the socket lock into its...

Page 44 38
Appendix A. CRU instructions
8Reinstall the battery pack. For details, see “Replacing the battery pack” on
page 32.
To make sure that the DDR3L SDRAM module is installed correctly, do as
follows:
1Press the Novo button to open the Novo button menu.
2Select the BIOS Setup. The System Memory item shows the total amount
of memory installed in your computer.

Page 45 Appendix A. CRU instructions
39
Replacing the optical drive - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the optical drive, do the following:
1Remove the battery pack. For details, see “Replacing the battery pack” on
page 32.
2Remove the screw .
B41-80
B51-80
Note:
Make sure the computer is turned off and all the cables disconnected from the computer
before you replace the optical drive.
Make sure the...

Page 46 40
Appendix A. CRU instructions
3Gently pull the optical drive out from its cavity .
4Insert a new optical drive and tighten the screw to secure the drive.
5Reinstall the battery pack. For details, see “Replacing the battery pack” on
page 32.
b
2

Page 47 Appendix A. CRU instructions
41
Replacing the keyboard - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
To replace the keyboard, do the following:
1Remove the battery pack. For details, see “Replacing the battery pack” on
page 32.
2Remove the screws .
3Turn the computer over and open the display panel.
Note:
Make sure the computer is turned off and all the cables disconnected from the...

Page 48 42
Appendix A. CRU instructions
4 Pull to unsnap the keyboard in the direction as shown by the arrows
.
5Lift up the keyboard and detach the connector in the direction shown
by the arrows .
6Reinstall the new keyboard and tighten the screws.
7Reinstall the battery pack. For details, see “Replacing the battery pack” on
page 32.
b
c
2
23
d
ef
4
56

Page 49 Appendix A. CRU instructions
43
The following table provides a list of CRUs for your computer, and informs
you of where to find replacement instructions.
Self-service CRUs
Optional-service CRUs
Safety, Warranty, and Setup GuideUser Guide
AC power adapter ×
Power cord ×
Battery pack ××
Optical drive ×
Memory×
Safety, Warranty, and Setup GuideUser Guide
Hard disk drive×
Keyboard×

Page 50 44
Trademarks
The following terms are trademarks or registered trademarks of Lenovo in
the United States, other countries, or both.
Lenovo
OneKey
Ve r i F a c e
Microsoft and Windows are trademarks of Microsoft Corporation in the
United States, other countries, or both.
Other company, products, or service names may be trademarks or service
marks of others.

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