Ensuring Sufficient Power For Your Computer; Docking Power Considerations; Printer Problems - Dell precision M65 User Manual

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and the extension cable to verify that the computer turns on.
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L I M I N A T E P O S S I B L E I N T E R F E R E N C E
appliances.
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D J U S T T H E P O W E R P R O P E R T I E S
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E S E A T T H E M E M O R Y M O D U L E S
(see "Memory" on page 103).
the memory modules

Ensuring Sufficient Power for Your Computer

Your computer is designed to use a 65-W or 90-W AC adapter. However, for optimum system
performance, you should always use a 90-W adapter.
Using less-powerful AC adapters, including the 65-W AC adapter, will cause you to receive a
message.

Docking Power Considerations

Due to the extra power consumption when a computer is docked to the Dell D/Dock, normal computer
operation is not possible on battery power alone. Ensure that the AC adapter is connected to your
computer when the computer is docked to the Dell D/Dock.
Docking While the Computer Is Running
If a computer is connected to the Dell D/Dock or Dell D/Port while the computer is running, presence of
the docking device is ignored until the AC adapter is connected to the computer.
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 "Diagnostics Checklist" on page 128) as you complete these
checks.
CAUTION:
Before you begin any of the procedures in this section, follow the safety instructions in the
Information Guide
.
NOTE:
If you need technical assistance for your printer, contact the printer's manufacturer.
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• See the printer documentation for cable connection information.
• Ensure that the printer cables are securely connected to the printer and the computer.
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Troubleshooting
— Turn off nearby fans, fluorescent lights, halogen lamps, or other
— See "Configuring Power Management Settings" on page 31.
— If the computer power light turns on but the display remains blank, reinstall
—
— Ensure that the electrical outlet is working by testing it with another device, such
— Bypass power protection devices, power strips,
WARNING
Product