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troubleshooting (continued)
error messages 15
errors without messages 21
fingerprint reader 33
keyboard 24
memory 23
password 23
pointing device 24
sleep or hibernation 25
startup problems 33
storage device 31
U
upgrading devices 39
W
warranty information 63
Web help 55
worldwide support telephone
list 57
84 ThinkPad
®
T500 and W500 Service and Troubleshooting Guide