DELL inspiron 4100 User Manual

Solving Problems: Dell Inspiron 4100

 If you are using a battery to power your computer, the battery 

charge may be depleted. Connect the computer to an electrical outlet using the AC 

adapter, and turn on the computer.

 Ensure that the electrical outlet is working by testing it with 

another device, such as a lamp. If the device is plugged into a surge protector, try 

plugging it directly into an electrical outlet.

 Check the AC adapter cable connections. If the AC adapter has 

a light, ensure that it is on.

 Bypass power protection 

devices, power strips, and the extension cable to verify that the computer turns on.

 Search for the keyword standby in Windows Help. See 

"

."

 If your computer is attached to an external monitor, press 

 

 to switch the video image to the display.

 Press 

 

 to increase the brightness, or press 

 

 to decrease the brightness.

 If your external speaker 

system includes a subwoofer, ensure that the subwoofer is at least 60 cm (2 ft) away from 

the computer or external monitor.

 Turn off nearby fans, fluorescent lights, halogen 

lamps, or other appliances.

 Eliminate sunlight glare, which 

can cause poor picture quality.

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