Lenovo ThinkPad W520 (English) User Guide - Page 276

Universal Serial Bus problems, A docking station or port replicator problem

Page 276 highlights

Universal Serial Bus problems • Problem: A device connected to the USB connector does not work. Solution: Open the Device Manager window. Make sure that the USB device setup is correct, and that the assignment of computer resource and the installation of the device driver are correct. For Windows 7 and Windows Vista: 1. Click Start ➙ Control Panel. 2. Click Hardware and Sound. 3. Click Device Manager. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. For Windows XP: 1. Click Start ➙ Control Panel. 2. Click Performance and Maintenance, and click System. 3. Click the Hardware tab, and click the Device Manager button. Refer to "Diagnosing problems" on page 227 and run a diagnostic test of the USB connector. A docking station or port replicator problem • Problem: The computer does not start when you try to turn it on, and does not respond when you try to resume operation. Solution: Make sure that: - The ac power adapter is connected to the docking station or the port replicator. - The docking indicator of the ThinkPad Mini Dock Plus Series 3, the ThinkPad Mini Dock Series 3, or the ThinkPad Mini Dock Plus Series 3 (170 W) is on. - The computer is securely attached to the docking station or the port replicator. 258 User Guide

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Universal Serial Bus problems
Problem
: A device connected to the USB connector does not work.
Solution
: Open the Device Manager window. Make sure that the USB device setup is correct, and that
the assignment of computer resource and the installation of the device driver are correct.
For Windows 7 and Windows Vista:
1. Click
Start
Control Panel
.
2. Click
Hardware and Sound
.
3. Click
Device Manager
. If you are prompted for an administrator password or confirmation, type the
password or provide confirmation.
For Windows XP:
1. Click
Start
Control Panel
.
2. Click
Performance and Maintenance
, and click
System
.
3. Click the
Hardware
tab, and click the
Device Manager
button.
Refer to “Diagnosing problems” on page 227 and run a diagnostic test of the USB connector.
A docking station or port replicator problem
Problem
: The computer does not start when you try to turn it on, and does not respond when you try
to resume operation.
Solution
: Make sure that:
The ac power adapter is connected to the docking station or the port replicator.
The docking indicator of the ThinkPad Mini Dock Plus Series 3, the ThinkPad Mini Dock Series 3, or the
ThinkPad Mini Dock Plus Series 3 (170 W) is on.
The computer is securely attached to the docking station or the port replicator.
258
User Guide