Solution Guide

Solving Problems 25
HINT: See the Tell Me
How help file for
information on the
standby mode.
CHECK THE POWER LIGHT When the power light is lit or blinking, the
computer has power. If the power light is blinking, the computer is in standby
mode—press a key on the keyboard or move the mouse.
TEST THE ELECTRICAL OUTLET Ensure that the electrical outlet is working
by testing it with another device, such as a lamp.
CHECK THE POWER CABLE CONNECTION Be sure that the power cable is
firmly inserted into the electrical outlet and the computer power connector.
CONNECT THE COMPUTER DIRECTLY TO AN ELECTRICAL OUTLET
Bypass power protection devices, power strips, and the extension cable to verify
that the computer turns on.
SWAP THE COMPUTER AND MONITOR POWER CABLES Swap the
computer and monitor power cables to determine if the power cable is defective.
CHECK FOR INTERFERENCE Electrical appliances on the same circuit or
operating near the computer can cause interference. Other causes of
interference: power extension cables, keyboard and mouse extension cables, too
many devices on a power strip, or multiple power strips connected to the same
electrical outlet.
CHECK THE POWER PROPERTIES See the Tell Me How help file or search
for the keyword standby in Windows Help. To access help files, see page 24.
OPERATING SYSTEM NOT FOUND Call Dell for technical assistance (see
page 92).