C H E CK T H E BA T TE R Y

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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.

TE S T TH E EL E CT R I C AL O U T LE T Ensure that the electrical outlet is working by testing it with another device, such as a lamp.

C H E CK T H E AC A D AP TE R Check the AC adapter cable connections. If the AC adapter has a light, ensure that it is on.

C ON N E C T T H E C OM PU TE R D IR EC T LY T O A N E LE C TR I C A L OU TL ET

Bypass power protection devices, power strips, and the extension cable to verify that the computer turns on. To access the help file, see "Accessing Help" on page 86.

A DJ U S T T H E POW E R PR OP E RT I E S Search for the keyword standby in the Help and Support Center. To access the help file, see "Accessing Help" on page 86.

S W I T CH TH E VI DE O I M A GE If your computer is attached to an external

monitor, press to switch the video image to the display.

If the display is difficult to read

A DJ U S T T H E B RI G H TN E S S See the Tell Me How help file for instructions on adjusting the brightness. To access the help file, see "Accessing Help" on page 86.

M O VE T H E S U B W O OF E R A W A Y FR O M T H E C OM PU TE R O R MO NI TO R

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.

E LI M I N A TE PO S S I BL E I N TE R F E RE N C E Turn off nearby fans, fluorescent lights, halogen lamps, or other appliances.

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Solving Problems

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Dell 500m manual If the display is difficult to read