Specifications

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 as you complete these checks.
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Scanner Problems
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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.
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Checktheprinterdocumentation— See the printer documentation for setup and troubleshooting information.
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Ensure that the printer is turned on.
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Checktheprintercableconnections— 
l See the printer documentation for cable connection information.
l Ensure that the printer cables are securely connected to the printer and the computer.
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Testtheelectricaloutlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
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VerifythattheprinterisrecognizedbyWindows—
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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 following port(s): setting is LPT1 (Printer
Port). For a USB printer, ensure that the Print to the following port(s): setting is USB.
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Reinstalltheprinterdriver— See the printer documentation for instructions.
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.
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Checkthescannerdocumentation— See the scanner documentation for setup and troubleshooting information.
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Unlockthescanner— Ensure that your scanner is unlocked if it has a locking tab or button.
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Restart the computer and try the scanner again.
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Checkthecableconnections— 
l See the scanner documentation for cable connection information.
l Ensure that the scanner cables are securely connected to the scanner and the computer.
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VerifythatthescannerisrecognizedbyMicrosoftWindows— 
1. Click the Start button, click Control Panel, and then click Printers and Other Hardware.
2. Click Scanners and Cameras.