Lenovo ThinkPad 600 ThinkPad 600 Suppliment to the User's Guide - Page 123

Audio or Telephony Problems, A Universal Serial Bus (USB) Problem, Problem, Cause and Action

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Audio or Telephony Problems Problem The volume of the WaveTable MidiSynth device cannot be controlled. The voice quality over the Voice-Over-Data | communication is poor. Other problems. | | Cause and Action Use the Serial-in control in the volume control panel to control the volume. Due to limitations of the ThinkPad modem, the voice quality that is transmitted and received over the Voice-Over-Data communication is not as good as the normal telephone line. There might be momentary voice discontinuities, delays, or distortions. Problems may be due to such other factors as: Incompatibility between the ThinkPad modem feature and other adapter cards in the docking station. To isolate this problem to a card or device, remove the adapter cards in the docking station one by one, and run the diagnostic test (see the Testing Your Computer). The telephone cable configuration is not correct for your application. The telephone cable is defective. The telephone is defective. The audio cable configuration is not correct for your application. The audio cable is defective. The audio equipment is defective. A Universal Serial Bus (USB) Problem Problem A device connected to the USB port does not work. Cause and 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 on Start and move the cursor to Settings and Control Panel. Double-click on System. Then click on the Device Manager tab in the "System Properties" window. Refer to Testing Your Computer and run the diagnostic test for the USB port. Chapter 7. Solving Computer Problems 117

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Audio or Telephony Problems
Problem
Cause and Action
The volume of the
WaveTable MidiSynth
device cannot be
controlled.
Use the
Serial-in
control in the volume control panel to control the volume.
The voice quality over the
Voice-Over-Data
communication is poor.
Due to limitations of the ThinkPad modem, the voice quality that is transmitted
and received over the Voice-Over-Data communication is not as good as the
|
normal telephone line.
There might be momentary voice discontinuities, delays,
or distortions.
Other problems.
Problems may be due to such other factors as:
Incompatibility between the ThinkPad modem feature and other adapter
cards in the docking station.
To isolate this problem to a card or device,
|
remove the adapter cards in the docking station one by one, and run the
|
diagnostic test (see the Testing Your Computer).
The telephone cable configuration is not correct for your application.
The telephone cable is defective.
The telephone is defective.
The audio cable configuration is not correct for your application.
The audio cable is defective.
The audio equipment is defective.
A Universal Serial Bus (USB) Problem
Problem
Cause and Action
A device connected to the
USB port 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 on
Start
and move the
cursor to
Settings
and
Control Panel
.
Double-click on
System
.
Then click on the
Device Manager
tab in the “System Properties”
window.
Refer to Testing Your Computer and run the diagnostic test for the USB port.
Chapter 7.
Solving Computer Problems
117