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Upgrading and replacing devices, Replacing the battery

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Chapter 6. Upgrading and replacing devices Replacing the battery Note: Use only the battery provided by Lenovo. Any other battery could ignite or explode. To replace the battery, do the following: 1 Turn off the computer, or enter hibernation mode. Disconnect the AC adapter and all cables from the computer. 2 Close the computer display, and turn the computer over. 3 Unlock the manual battery latch a. Holding the spring-loaded battery latch in the unlocked position b, remove the battery pack in the direction shown by the arrow c. b c a 4 Install a fully charged battery. 5 Slide the manual battery latch to the locked position. 6 Turn the computer over again. Connect the AC adapter and the cables to the computer again. 26

Section	Page
Important safety information	6
Important safety information	6
Chapter 1. Getting to know your computer	9
Top view	9
Left-side view	11
Right-side view	12
Front view	13
Bottom view	14
Chapter 2. Learning the basics	15
First use	15
Using AC adapter and battery	17
Using the touchpad	18
Using the keyboard	19
Special button	21
System status indicators	22
Securing your computer	23
Connecting external devices	24
Chapter 3. Using the Internet	25
Wired connection	25
Wireless connection	26
Chapter 4. OneKey Rescue system	27
OneKey Rescue system	27
Chapter 5. Troubleshooting	28
Frequently asked questions	28
Troubleshooting	30
Chapter 6. Upgrading and replacing devices	34
Replacing the battery	34
Replacing the hard disk drive	35
Replacing memory	37
Removing the optical drive	39
Appendix A. Getting help and service	41
Getting help on the Web	41
Calling the customer support center	41
Getting help around the world	42
Lenovo warranty service telephone numbers	43
Appendix B. Use, and care information	44
Caring for your computer	44
Accessibility and comfort	47
Maintenance	48
Appendix C. Lenovo limited warranty	50
Warranty information	55
Appendix D. Customer replaceable units (CRUs)	58
Appendix E. Notices	59
Notices	59
ENERGY STAR model information	61
Wireless related information	62
TV tuner information	64
Electronic emissions notices	66
WEEE and recycling statements	69
Turkish statement of compliance	69
EU WEEE statements	70
Japan recycling statements	70
Notice for users in the U.S.A.	71
Notice on deleting data from your hard disk	71
Appendix F. Features and specifications	72
Trademarks	73

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Chapter 6. Upgrading and replacing devices

Replacing the battery

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To replace the battery, do the following:

Turn off the computer, or enter hibernation mode. Disconnect the AC adapter and all cables

from the computer.

Close the computer display, and turn the computer over.

Unlock the manual battery latch

. Holding the spring-loaded battery latch in the

unlocked position

, remove the battery pack in the direction shown by the arrow

Install a fully charged battery.

Slide the manual battery latch to the locked position.

Turn the computer over again. Connect the AC adapter and the cables to the computer again.

Note:

Use only the battery provided by Lenovo. Any other battery could ignite or explode.