HP pavilion ze1200_xf300 Manuale Di Servizio

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Troubleshooting and Diagnostics 
ze1000 Series Troubleshooting and Self-Repair Guide 
Parallel and USB Problems 
If a USB 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 mouse is securely connected to the USB port. 
•  Put the notebook on standby, then resume. 
•  Restart the notebook. 
•  Check the mouse settings in Control Panel. 
•  Check the port settings in Control Panel: click Start, Control Panel, Performance and 
Maintenance, System. On the Hardware tab, open the Device Manager, and double-click 
Universal Serial Bus Controllers. 
If a USB modem doesn’t work properly 
•  See “Modem Problems” on page 21. 
•  Make sure the modem is securely connected to the USB port. 
•  Use the modem troubleshooter (under Networking problems) in Windows Help and Support. 
•  Check the modem settings in Control Panel. 
•  Disable the internal modem: 
1.  Click Start, Control Panel, Performance and Maintenance, System. On the Hardware tab, 
open the Device Manager. 
2.  Double-click Modem to list the current modem devices. 
3.  Double-click the internal modem, then select the option to disable the modem. 
•  Check the port settings in Control Panel: click Start, Control Panel, Performance and 
Maintenance, System. On the hardware tab, open the Device Manager, then double-click 
Universal Serial Bus controllers. 
If the parallel port is not working 
•  Make sure the port connection is secure. 
•  Check the port settings in Control Panel: click Start, Control Panel, Performance and 
Maintenance, System. On the Hardware tab, open the Device Manager, and double-click Ports 
(COM & LPT). 
•  Test the port with the e-DiagTools diagnostics—see “Using the e-DiagTools Diagnostic Tests” on 
page 29. 
If the USB port is not working 
•  Contact the vendor of the peripheral device and check the HP Notebook Web site 
(www.hp.com/notebooks) for the latest versions of the USB drivers and the driver for the device. 
•  Check the port settings in Control Panel: click Start, Control Panel, Performance and 
Maintenance, System. On the Hardware tab, open the Device Manager, and double-click 
Universal Serial Bus controllers. 
•  Test the USB port with the e-DiagTools diagnostics— see “Using the e-DiagTools Diagnostic 
Tests” on page 29.