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Vostro 3550 laptop i3 LCD looses sync (like old TV when the loose horizontal sync

I am used to company issued Vostro laptops.  My (new to me) Vostro 3550 display looses horizontal sync (as in the old tv's when they loose the horizontal oscillator).  I do not get an error code.  Hard power off and reboot brings it back to working.

I leave my laptop on 24/7, plugged in to 110V..  It's not heat related because fan is not running.  I have upgraded to 480gb SSD (cut down in fan running time, BTW)..



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