HP Pavilion v72 17 inch CRT Monitor - Manual (Page 24)

Operation
4–10 User’s Guide
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” on page B–1).
4. Restart your computer so that the new settings take effect.