If The Screen Is Blank - Dell Dimension 4200 Solution Manual

HINT:
See the monitor
documentation for fault
indications and
troubleshooting
procedures specific to
your monitor.
20 Solving Pr oblems
NOTICE:
To help prevent damage to your computer when disconnecting a
network cable from your computer, first unplug the cable from the computer
network connector and then from the network wall jack. When reconnecting a
network cable to your computer, first plug the network cable into the network
wall jack and then into the computer network connector.

If the screen is blank

C H E C K T H E V I D E O C A B L E C O N N E C T I O N
that the video cable is connected as shown on the Start Here sheet for your
computer.
P
R E S S T H E M O N I T O R P O W E R B U T T O N
the monitor power button.
C H E C K T H E P O W E R L I G H T
blinking, the monitor has power. If the power light is blinking, the computer is in
standby mode; press a key on the keyboard or move the mouse to exit standby
mode.
T
E S T T H E E L E C T R I C A L O U T L E T
that the electrical outlet is working by testing it with another device, such as a
lamp.
S W A P T H E C O M P U T E R A N D M O N I T O R P O W E R C A B L E S
computer and then swap the computer and monitor power cables to determine if
the power cable is defective.
T
E S T T H E V I D E O E X T E N S I O N C A B L E
extension cable solves the problem, the cable is defective.
T E S T T H E M O N I T O R —
computer.
C
H E C K T H E B A C K P A N E L L I G H T S
connector are not green, contact Dell (see page 70).
— Check for bent pins. Ensure
— Be sure that you firmly pressed
— When the monitor power light is lit or
— Turn off your computer and then ensure
(
I F U S E D
If another monitor is available, connect it to the
— If all four lights below the serial
— Turn off your
) — If removing the video