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Repair guides and support for desktop PCs manufactured by Lenovo.

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Why does my second monitor flash on and off?

Starting yesterday and getting intermittently worse the longer I use it, occasionally my second monitor will turn off, it will read ‘no signal,’ then flash back on. This is getting quite frustrating as it resets all my opened screens to being on one screen. Please tell me how to fix or what the issue is so I can replace whatever isn’t working. Thanks!

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Hi Kate, What you have to do is tell us exactly which make and model monitor is otherwise we can't help you.

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1 Answer

Hey Kate,

Try updating your video driver as well as check or swap your video connections to see if that changes anything.

Hope this helps.

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Kate Schulzke will be eternally grateful.
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