Try one or both of the following options to determine if the monitor or video card is potentially bad. If, after following the steps above, your monitor still displays the 'Input signal out of range' error message, you may have a bad monitor or bad video card. If Windows cannot find the drivers you need, see the computer drivers section.

Once the Display adapters and Monitors are removed, reboot the computer and let Windows reinstall the drivers for these devices.You can do this by highlighting each device and pressing the Delete key. Once in Device Manager, expand the 'Display adapters' and 'Monitors' sections and remove each of the devices listed under those two sections.In Safe Mode, open the Windows Device Manager.If the resolution is supported or the previous steps did not help, we suggest reinstalling the drivers for your monitor and video card by following the following steps.If you've changed the monitor resolution, reboot the computer to see if this resolves the issue.How to view or change the screen resolution of a monitor.Once in Safe Mode, decrease your video card resolution to the native resolution of your monitor.If the problem is caused by the display settings or device drivers, boot into Safe Mode and change the settings in Device Manager. To resolve an 'input signal out of range' error on your computer monitor, follow the steps below.

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