Lenovo ThinkPad 390X User's Reference: ThinkPad 390X - Page 115

immediately without changing any settings.

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Frequently Asked Questions You can disable your ThinkPad's serial port in order to free resources for another communication device, such as the infrared port. If the serial port is disabled, you need to enable it before you use it again. To enable your serial port, do as follows: 1. Save your work and quit any program you are using. 2. Start the ThinkPad Configuration program. 3. Click the Serial Port ( ) button. 4. Click Enable. A "Warning" might appear that the hardware resource is in use by another communication device. 5. Click OK. The computer restarts. Note: If you check your serial port and it is already enabled, you can use it immediately without changing any settings. After your serial port is enabled, you can use it as a communication port. If it does not work properly, you might have a problem with the communication software application on your system or the device that you are trying to communicate with. Check the online help system for your communication software if the other device appears to be working properly. How can I use an external mouse when I am at my desk, but then use the TrackPoint when I am away from my desk? Solving Computer Problems 99

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Frequently Asked Questions
You can disable your ThinkPad's serial port in order to free resources for
another communication device, such as the infrared port. If the serial port is
disabled, you need to enable it before you use it again. To enable your serial
port, do as follows:
1. Save your work and quit any program you are using.
2. Start the ThinkPad Configuration program.
3. Click the
Serial Port
(
) button.
4. Click
Enable
.
A "Warning" might appear that the hardware resource is in use by
another communication device.
5. Click
OK
. The computer restarts.
Note:
If you check your serial port and it is already enabled, you can use it
immediately without changing any settings.
After your serial port is enabled, you can use it as a communication port.
If
it does not work properly, you might have a problem with the communication
software application on your system or the device that you are trying to com-
municate with. Check the online help system for your communication soft-
ware if the other device appears to be working properly.
How can I use an external mouse when I am at my desk, but then use
the TrackPoint when I am away from my desk?
Solving Computer Problems
99