Lenovo ThinkPad 380ED User's Guide for TP 380XD, TP 385XD - Page 171

A Universal Serial Bus (USB) Problem, Problem, Cause and Action, Start, Settings, Control Panel

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Troubleshooting Charts 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. Click on Control Panel and double-click on System. Then click on the Device Manager tab in the "System Properties" window. Refer to "Testing Your Computer" on page 163 and run the diagnostic test for the USB port. PC Card Problems Problem The PC Card shows "Ready," but it does not work correctly. A system resource conflict occurred when a PC Card was used. Action Make sure that: The system resources reserved for the PC Card do not conflict with other system devices. Refer to the online book. The resources reserved for the PC Card match the settings in the application program. If you are using a modem card, check the COM number, I/O port address, and IRQ level. If you are using a network card, check the I/O port address, IRQ level, and memory window address. To check the resources assigned to the PC Card, click on Status in the Easy-Setup program. See the online book. Chapter 5. Solving Computer Problems 151

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Troubleshooting Charts
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
.
Click on
Control Panel
and
double-click on
System
.
Then click on the
Device Manager
tab in
the “System Properties” window.
Refer to “Testing Your Computer” on page
163 and run the diagnostic test for
the USB port.
PC Card Problems
Problem
Action
The PC Card shows
“Ready,” but it does not
work correctly.
Make sure that:
The system resources reserved for the PC Card do not conflict with other
system devices.
Refer to the online book.
The resources reserved for the PC Card match the settings in the
application program.
If you are using a modem card, check the COM number, I/O port address,
and IRQ level.
If you are using a network card, check the I/O port address,
IRQ level, and memory window address.
To check the resources assigned
to the PC Card, click on
Status
in the Easy-Setup program.
A system resource conflict
occurred when a PC Card
was used.
See the online book.
Chapter 5.
Solving Computer Problems
151