HP (Hewlett-Packard) 515B Personal Computer User Manual


 
No response from the USB keyboard and mouse during running of application.
Cause Solution
The application has stopped responding. Restart the computer.
Mouse does not respond to movement or is too slow.
Cause Solution
Mouse connector is not properly plugged into the back of the
computer.
Shut down the computer if it still does not respond.
Mouse may be faulty. Replace mouse.
Solving Network Problems
Some common causes and solutions for network problems are listed in the following table. These
guidelines do not discuss the process of debugging the network cabling.
Network driver does not detect network controller.
Cause Solution
Network controller is disabled. Run the HP Setup Utility and enable the network controller.
Incorrect network driver. Check the network controller documentation for the correct
driver or obtain the latest driver from the manufacturer’s Web
site.
Network status link light is not working or never flashes.
NOTE: The network status light is supposed to flash when there is network activity.
Cause Solution
No active network is detected. Check cabling and network equipment for proper connection.
Network controller is not set up properly. Use the network control application to verify that the device
is working properly.
Diagnostics reports a failure.
Cause Solution
The cable is not securely connected. Ensure that the cable is securely attached to the network
connector and that the other end of the cable is securely
attached to the correct device.
There is a problem with the cable or a device at the other
end of the cable.
Ensure that the cable and device at the other end are
operating correctly.
80 Appendix C Troubleshooting Without Diagnostics