Dear @MaLd0n,
I have wait more than a week... please help me!!
My Laptop Dell Latitude E7270 Core i5-6300u / 8GB / 256GB / HD520.
It had a problem with sleep mode - it mean when I sleep or lock screen and plug out HDMI cable, I can't wake it up. Please help me to fix it.
Thank You and Regards,
https://filebin.net/d8y1q2pvjb5ubflr