Dell PC to Sony TV with HDMI - Why does my PC goes into "Energy Saving Mode"?

Edd Walter

Estimable
Nov 10, 2014
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4,510
When the Dell PC is connected (via HDMI) to Sony TV - Why does my PC goes into "Energy Saving Mode"?

In this mode, the screen is black so I cannot access files to display on the TV (the TV displays the PC's desktop)

Thanks for any help.