Are you getting an “Input not supported” error when trying to boot up into Safe Mode?

Are you trying to boot up into Safe Mode, and you’re getting an “Input not supported” error?

Here’s the fix:


It means that the refresh rate that the video card is sending is too high for the monitor that is plugged into your computer. If this happens to you, most likely you are using an LCD monitor (typical LCD monitors can not handle that high of a refresh rate). To get around this, simply switch to a CRT monitor (the old bulky monitors that look like an old TV) and finish what you need to do, or switch to another LCD monitor that can handle it.

It’s weird that a friend of mine experienced this, as Safe Mode has the lowest settings of the native Windows display drivers running. But it happened, and that was the fix.

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Written by Ian Brown
Ian has been involved with computers since very young. He took his first computer class when he was just 8 years old. He always had an affinity for computers, but never really took it seriously. It was not until he graduated from college and experienced the real world for a while did he realize that computers may be where his talent and passion lie. He has since branched out into Internet marketing and LOVES it. He currently resides in Los Angeles where he services clients ranging from residential to small business to celebrities.