Serial, Parallel, And Usb Problems - HP Compaq NX9000 Reference Manual

Troubleshooting and Maintenance
Troubleshooting Your Notebook

Serial, parallel, and USB problems

If a serial mouse doesn't work
• Make sure you followed the manufacturer's installation instructions completely
and have installed the mouse properly. If not, repeat the procedure.
• Make sure the port connection is secure.
• Press the power button to enter Standby, and again to resume.
• Restart the notebook: select Start > Turn Off Computer > Restart.
• Check mouse settings in Control Panel: select Start > Control Panel > Printers
and Other Hardware > Mouse.
• Use a mouse that connects to the USB or PS/2 port. If you have a PS/2 keyboard
connected, use a PS/2 Y adapter (HP accessory F1469A).
•
Check the port settings in Control Panel. Open the hardware Device Manager,
then select Ports (COM & LPT).
If a serial modem doesn't work properly
• Make sure the port connection is secure.
• Use the Modem troubleshooter in Windows Help: select Start > Help and
Support.
• In Control Panel, open Phone and Modem Options, and check the modem
settings.
• Disable the internal modem:
1. Open the hardware Device Manager: select Start > Control Panel >
Performance and Maintenance > System.
2. Select Modem to list the current modem devices.
3. Select the internal modem, then select the option to disable the modem.
• Check the port settings in Control Panel. Open the hardware Device Manager,
then select Ports (COM & LPT).
If the serial or parallel port is not working
• Make sure the port connection is secure.
• Check the port settings in Control Panel. Open the hardware Device Manager,
then select Ports (COM & LPT).
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