User guide
Manuals
Brands
Lenovo Manuals
Computers
E420s
161
162
163
164
165
166
167
168
169
170
F
or
Windows
XP:
1.
Click
Start
➙
Control
Panel
.
2.
Click
System
.
3.
Click
the
Hardwar
e
tab,
and
click
the
Device
Manager
button.
Refer
to
Diagnosing
pr
oblems
and
run
Lenovo
ThinkV
antage
T
oolbo
x
for
a
diagnostic
test
of
the
USB
connector
.
Chapter
10
.
T
r
oubleshooting
computer
problems
149
1
...
...
165
166
167
168
169
...
...
188
