Solving Problems: Dell OptiPlex GX260 Systems User's GuideEliminate interference— Electrical appliances on the same circuit or operating near thecomputer can cause interference. Other causes of interference are:● Power extension cables● Keyboard and mouse extension cables● Too many devices on a power strip● Multiple power strips connected to the same electrical outletPrinter ProblemsNOTE: Dell does not cover the printer's warranty. If you need technical assistance for yourprinter, call the printer's manufacturer. See the documentation that came with the printer forthe correct phone number.Check the printer documentation— See the documentation supplied with the printerfor setup and troubleshooting information.Ensure that the printer is turned on—See the documentation supplied with the printer for power button information.Verify the printer cable connections—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 alamp.Verify that the printer is recognized by Windows®Windows XP1. Click the Start button.2. Click Control Panel.3. Click Printers and Other Hardware.4. Click View installed printers or fax printers. If the printer is listed, right-click theprinter icon.5. Click Properties, and then select the Ports tab. For a parallel printer, ensure thatthe Print to the following port(s): setting is LPT1 (Printer Port). For a USBprinter, ensure that the Print to the following port(s): setting is USB.Windows 2000 and Windows NThttp://support.dell.com/support/edocs/systems/opgx260/en/ug/solvprob.htm (24 of 30) [10/25/2007 1:44:24 PM]