HP Dc7700 HP Compaq dc7700 Business Desktop PC Service Reference Guide, 1st Ed - Page 237

Troubleshooting Without Diagnostics Solving Audio Problems (Continued) Problem Cause Computer appears to be locked up while recording audio. The hard disk may be full. Solution Before recording, make sure there is enough free space on the hard disk. You can also try recording the audio file in a compressed format. Solving Printer Problems Solving Printer Problems Problem Cause Printer will not print. Printer is not turned on and online. The correct printer driver for the application are not installed. Printer will not turn on. Printer prints garbled information. Printer is offline. If you are on a network, you may not have made the connection to the printer. Printer may have failed. The cables may not be connected properly. The correct printer driver for the application is not installed. The cables may not be connected properly. Printer memory may be overloaded. The printer may be out of paper. Solution Turn the printer on and make sure it is online. 1. Install the correct printer driver for the application. 2. Try printing using the MS-DOS command: DIR C:\ > [printer port] where [printer port] is the address of the printer being used. If the printer works, reload the printer driver. Make the proper network connections to the printer. Run printer self-test. Reconnect all cables and check the power cord and electrical outlet. Install the correct printer driver for the application. Reconnect all cables. Reset the printer by turning it off for one minute, then turn it back on. Check the paper tray and refill it if it is empty. Select online. Service Reference Guide, dc7700 433612-001 D-19