Lenovo ThinkPad X121e (English) User Guide - Page 170

Solution, Start, Control Panel, Hardware and Sound, Device Manager, System, Hardware, tab

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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: 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 System. 3. Click the Hardware tab, and click the Device Manager button. Refer to "Diagnosing problems" on page 131 and run a diagnostic test of the USB connector. 154 User Guide

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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:
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
System
.
3. Click the
Hardware
tab, and click the
Device Manager
button.
Refer to “Diagnosing problems” on page 131 and run a diagnostic test of the USB connector.
154
User Guide