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CPU max out only when plugged to HDMI

Hi,

My laptop started to slow down when it’s connected to a TV screen using HDMI. (It was working fine till a week ago).

The CPU goes to 100% for any SW I open (any browser or other app). When HDMI is unplugged everyrhing works fine.

I tried to check drivers of both Intel HD graphic and Nvidia GT 720M display adapters

Any suggestions?

Thanks in advance

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Hi,

Thanks for your help!

Re-installing the drivers did the trick

That's good. Slightly corrupted video drivers are often a cause of "strange" problems.

Dell Latitude E5440