Troubleshooting - HP 15-inchhp55 User Manual

Troubleshooting

Before calling Hewlett-Packard check the following items:
No picture and LED is off.
Check if monitor is switched ON.
Check if power cord is properly connected.
Check if electrical outlet is connected.
Test if monitor works on another computer previously set to
monitor's supported resolution.
No picture and LED is on.
Check if monitor is not in power saving mode.
Adjust contrast and brightness using the adjustment buttons.
Check if computer is switched on.
Check if video cable has no bent pins.
Test if monitor works on another computer previously set to
monitor's supported resolution.
Colors are not pure.
Shut down your monitor and switch it on after 30 minutes.
Picture is not centered.
Adjust picture using the adjustment buttons.
Picture is fuzzy.
Use the Recall function.
Reduce contrast using the adjustment buttons.
HP 15" Color Monitor User's Guide
Troubleshooting
English 9