104 Solving ProblemsEnsuring Sufficient Power for Your ComputerYour computer is designed to use the 90-W AC adapter; for optimum system performance, you shouldalways use this adapter.The 65-W AC adapters used in other Dell™ portable computers can be used with your computer, butthey will decrease system performance. Using less-powerful AC adapters, including the 65-W AC adapter,will cause you to receive a WARNING message.Printer ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.NOTE: If you need technical assistance for your printer, contact the printer’s manufacturer.EN S U R E T H A T T H E P R I N T E R I S T U R N E D O NCH E C K T H E P R I N T E R C A B L E C O N N E C T I O N S —• See the printer documentation for cable connection information.• Ensure that the printer cables are securely connected to the printer and the computer.TE S T T H E E L E C T R I C A L O U T L E T — Ensure that the electrical outlet is working by testing it with anotherdevice, such as a lamp.VE R I F Y T H A T T H E P R I N T E R I S R E C O G N I Z E D B Y WI N D O W S —1 Click the Start button, click Control Panel, and then click Printers and Other Hardware.2 Click View installed printers or fax printers.If the printer is listed, right-click the printer icon.3 Click Properties and click the Ports tab. For a parallel printer, ensure that the Print to the followingport(s): setting is LPT1 (Printer Port). For a USB printer, ensure that the Print to the followingport(s): setting is USB.RE I N S T A L L T H E P R I N T E R D R I V E R — See the printer documentation for instructionsScanner ProblemsCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.NOTE: If you need technical assistance for your scanner, contact the scanner’s manufacturer.CH E C K T H E P R I N T E R D O C U M E N T A T I O N — See the printer documentation for setup and troubleshootinginformation.CH E C K T H E S C A N N E R D O C U M E N T A T I O N — See the scanner documentation for setup and troubleshootinginformation.UN L O C K T H E S C A N N E R — Ensure that your scanner is unlocked if it has a locking tab or button.