Dell Latitude D820 Technical Manual page 62

AC Power Loss While the Computer Is Docked
If a computer loses AC power while docked to the Dell D/Dock or Dell D/Port, the computer
immediately goes into low-performance mode.
Printer Problems
Fill out the Diagnostics Checklist (see
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions in the Product Information Guide.
NOTE: If you need technical assistance for your printer, contact the printer's manufacturer.
Ensure that the printer is turned on
Check the printer cable connections —
•
See the printer documentation for cable connection information.
•
Ensure that the printer cables are securely connected to the printer and the computer.
Test the electrical outlet — Ensure that the electrical outlet is working by testing it with another device,
such as a lamp.
Verify that the printer is recognized by Windows —
1. Click Start→ Control Panel→ Printers and Other Hardware→ View installed printers or
fax printers.
2. If the printer is listed, right-click the printer icon.
3. Click Properties→ Ports. For a parallel printer, ensure that the Print to the following
port(s): setting is LPT1 (Printer Port). For a USB printer, ensure that the Print to the
following port(s): setting is USB.
Reinstall the printer driver — See the printer documentation for instructions.
Scanner Problems
CAUTION: Before you begin any of the procedures in this section, follow the safety
instructions in the Product Information Guide.
NOTE: If you need technical assistance for your scanner, contact the scanner's manufacturer.
Check the scanner documentation — See the scanner documentation for setup and troubleshooting
information.
Unlock the scanner — Ensure that your scanner is unlocked if it has a locking tab or button.
Restart the computer and try the scanner again
Diagnostics Checklist) as you complete these checks.