Lenovo ThinkPad 240Z ThinkPad 240 User's Reference that shipped with the syste - Page 111

Audio problems, Universal serial bus (USB) problems, Problem, Action, Start, Settings, Control Panel

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Troubleshooting charts Audio problems Problem General problems. Action Problems may be due to such factors as: The audio cable configuration is not correct for your application. The audio cable is defective. The audio equipment is defective. Check if: The audio function is enabled. The mute is off. Universal serial bus (USB) problems Problem A device connected to the USB connector does not work. Action 1. Make sure that the USB device is connected correctly. 2. Open the "Device Manager" window, and make sure that the USB device setup is correct, and that computer resource assignment and device driver installation are correct. Note: To open the "Device Manager" window, click Start and move the cursor to Settings and click Control Panel. Double-click System; then click the Device Manager tab in the "System Properties" window. Chapter 4. Solving computer problems 99

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Troubleshooting charts
Audio problems
Problem
Action
General problems.
Problems may be due to such factors as:
±
The audio cable configuration is not correct for your application.
±
The audio cable is defective.
±
The audio equipment is defective.
Check if:
±
The audio function is enabled.
±
The mute is off.
Universal serial bus (USB) problems
Problem
Action
A device connected to
the USB connector does
not work.
1. Make sure that the USB device is connected correctly.
2. Open the "Device Manager" window, and make sure that the USB device
setup is correct, and that computer resource assignment and device driver
installation are correct.
Note:
To open the "Device Manager" window, click
Start
and move the
cursor to
Settings
and click
Control Panel
. Double-click
System
; then
click the
Device Manager
tab in the "System Properties" window.
Chapter 4.
Solving computer problems
99