HP Compaq Presario,Presario 3000EA Quick Start Manual page 75

Symptom
Screen is blank, and monitor
power light is not lit.
Screen is blank.
Problem
Monitor power cable is
not connected to
monitor or wall outlet.
Monitor is not turned
on.
Monitor connector
cable is not properly
connected to back of
computer.
Screen saver is
enabled.
Computer is in Sleep
mode, as shown on
the keyboard LED
panel.
If you have a flat-panel
monitor (available on
selected models), you
may need a Digital
Video Interface and
connector.
Solution
Reconnect the power plug on the back of the
monitor and to a grounded (earthed) wall outlet.
Press the Power button on the front of the
monitor.
Inspect the monitor video connector for bent
pins. If bent pins do not exist, reconnect the
monitor connector cable on the back of the
computer.
Press any key, or move the mouse to display the
screen.
See Waking Your Computer in the "Using Your
Computer" chapter in this guide.
Refer to your Certificate of Warranty for details.