Lenovo ThinkPad 600X TP 600X User's Reference - Page 161

A universal serial bus (USB) problem, PC Card or PCI modem problems, Problem, Cause and action, Start

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Troubleshooting guide Problem Other problems. Cause and action Problems might 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 start the PC-Doctor. 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 connector does not work. Cause and action Do the following: 1. Make sure that the USB device is connected correctly. 2. Open the "Device Manager" window. Make sure that the USB device setup is correct and that the 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 Control Panel. Double-click Control Panel, and System. Then click the Device Manager tab in the "System Properties" window. Refer to "Testing your computer" on page 155, and run the PC-Doctor for a diagnostic test of the USB connector. PC Card or PCI modem problems Problem The PCI modem does not work. Cause and action The operating system might be sharing the same IRQ levels as your modem. The PCI modem might not work under these conditions. You must cancel the IRQ shared condition to use the modem. To cancel the IRQ shared condition Online User's Guide. Chapter 4. Solving computer problems 139

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Troubleshooting guide
Problem
Cause and action
Other problems.
Problems might 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 start the
PC-Doctor.
±
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 connector does not
work.
Do the following:
1. Make sure that the USB device is connected correctly.
2. Open the “Device Manager” window.
Make sure that the USB device setup
is correct and that the 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
Control Panel
. Double-click
Control Panel
,
and
System
.
Then click the
Device Manager
tab in the “System
Properties” window.
Refer to “Testing your computer” on page
155, and run the PC-Doctor for a
diagnostic test of the USB connector.
PC Card or PCI modem problems
Problem
Cause and action
The PCI modem does not
work.
The operating system might be sharing the same IRQ levels as your modem.
The PCI modem might not work under these conditions.
You must cancel the
IRQ shared condition to use the modem.
To cancel the IRQ shared condition
Online User's Guide
.
Chapter 4.
Solving computer problems
139