Out Of Frequency Range Message - HP Compaq CV5500 Reference Manual

Out of Frequency Range Message

If an Out of Frequency Range message displays on your monitor,
your video resolution and/or refresh rate are set higher than the
levels your monitor supports.
To change the video resolution or refresh rate on your monitor,
follow these steps:
1. Restart your computer.
2. Enter Safe Mode on your computer. Refer to your computer's
operating system Help for instructions on entering Safe
Mode.
3. Change your display settings to a supported setting (see
"Technical Specifications").
4. Restart your computer so that the new settings take effect.
Reference Guide
Operation
4–11