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Lenovo B550 Notebook User Manual Page 78
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TROUBLESHOOTING
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P/N: 147003161-1.1
Printed in China
Lenovo B550
User Guide
V1.0
Read
the
saf
ety
not
ices
and
imp
orta
nt t
ips
in t
he
incl
uded
man
ual
s be
fore u
sing
you
r co
mput
er
.
©Lenovo China 2010
New World. New Thinking.
TM
www.lenovo.com
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Lenovo B550
1
B550 UserGuide V1.0 cover_2-3
2
Contents
5
Important safety information
6
Attention:
9
USB port
12
Optical drive
12
AC power adapter
12
Reading the manuals
15
Connecting to the power
15
Turning on the computer
15
Shutting down your computer
16
Charging the battery
17
Removing the battery pack
17
Checking battery status
17
Handling the battery
18
Numeric keypad
19
Function key combinations
19
OneKey Rescue system button
21
Using VeriFace™
23
Using passwords
23
Chapter 3. Using the Internet
25
Using Wi-Fi/WiMAX
26
Software configuration
26
Introduction
27
Chapter 5. Troubleshooting
28
Display problems
30
A Password problem
30
Computer screen problems
31
Other problems
33
For outdoor use
45
Data safety
46
Other important tips
46
Ergonomic information
47
What if you are traveling?
47
Questions about vision?
47
What this warranty covers
50
Use of personal information
52
Limitation of liability
52
Dispute resolution
53
Other rights
53
Lenovo Turkey address
55
2 On-site Service
56
3 Courier or Depot Service
56
5 Product Exchange Service
57
Appendix E. Notices
59
Wireless interoperability
62
Korea Class B
69
General recycling statement
69
Form Factor
72
I/O Ports
72
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