Compaq TFT 1501 - Manual (Page 27)

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This message appears when you set your pc to an unsupported video mode.
1. Set your pc to a supported video mode, preferably 1024× 768 at 75Hz.
D. The message ”NO INPUT SIGNAL” appears on my monitor.
This message appears when pc or other devices has no input signal.
1. Check pc or other devices keep working in normal mode not in quit mode.
E. The image is very unstable.
1. Set your PC to a supported video mode, preferably 1024 x 768 at 60 Hz. See the “Setting the
Video Mode” section.
2. Restore the original factory settings by choosing MODE RECALL in the OSD Main Menu.
3. Perform the Auto Configuration function. See the “Performing Auto Configuration Using the Direct
Key” section.