Monitor say Input not supported. What does this

That means your computer is not sending a signal to your monitor. Your monitor is fine check the connection on the back of your computer make sure its properly connected.

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try and get a driver for it on the hp site for mac,if then its not then im afraid you need a new monitor

It means that the signal the grahics card is sending to the monitor is not supported by the monitor.
Boot to vga mode, select a more appropriate ( lower) screen size and try that

Please read here:
http://www.fixya.com/support/r4873371-fixing_out_range_format_not_supported

Basic LCD monitor and LCD TV troubleshooting guide:

http://www.fixya.com/support/r6150077-basic_lcd_monitors_troubleshooting

http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide

Failed TV, Monitors, Caps : http://s807.photobucket.com/albums/yy352/budm/

Learn about bad caps: http://en.wikipedia.org/wiki/Capacitor_plague

Capacitor kits: http://lcdalternatives.auctivacommerce.com/ he can make you a set of caps for you

This means, that your operating system is not set to the recommended resolution of your monitor. Your monitor has a "fixed" resolution where the image will look best. You can change the solution in Windows XP if you right-click on a free space of your desktop, then choose "Properties". In the new window, that comes up, select the rightmost tab. There you can use the slider to adjust your resolution. Just try some different resolutions until the message disappears. If you use Windows Vista oder Windows 7 you can access the resolution windows by right-cliking on your desktop and selecting "Screen resolution".

Hi there,

Monitor says 'input not supported', means the computer is sending an incompatible display mode to your monitor. Please check the user’s manual for supported display mode or input and configure your computer to those settings. The recommended setting for LCD panel is 1024x768 resolution and you may need to change the refresh rate of the monitor to 60Hz.
In Safe Mode, fire uop regedit and ry going to HKEY_LOCAL_MACHINE\System\CurrentControlSet\Servic es\Class\Display and delete that whole key (yes, this bascially will remove your video drivers) then reboot, when you reboot windows should start up in standard VGA mode and prompt you for the video card drivers.
For more, refer to this forum;
http://www.pcguide.com/vb/showthread.php?t=24178

Regards,

Anirban Mazumdar

Self test failed means Monitor is bad.

Check input settings, whether DVI mode is selected.

Dell Monitor has 3 year warranty by default, Contact Dell Techncial support

It means that the resolution of the windows is set too high for your monitor. You will have to find some better monitor to connect it to it, and then to lower the resolution, after that, it should be working just fine

Either your display card is not supporting the LCD resolution.

i think the probelem is monitor resolution out of range . try the system resolution changes and connect the monitor then the issue is solved 80% or other problem is monitor hardware damages cheack the whole hardware components