No Signal Message; Out Of Frequency Range - Compaq mv540 Guía De Usuario

No Signal Message

If a "NO SIGNAL" message displays on your monitor, check to be sure your VGA cable is properly
connected, and ensure that your computer is powered on.

Out of Frequency Range

If an "OUT OF FREQUENCY RANGE" message appears on your screen, your video resolution and/or
refresh rate are set higher than what your monitor supports. To correct this problem, follow the steps
below or contact your Compaq authorized dealer, reseller, or service provider.
1. Restart your computer.
Press F6 F6 before Microsoft
2. F6 F6
3. Change your display settings to a supported setting (see "Specifications").
4. Restart your computer so that the new settings take effect.
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Windows begins to load so that you can enter Safe Mode.