acer monitor

I recently bought an Acer Nitro VG270 Pbiip 27” 1080p 144 Hz monitor in order to hook it up to my Dell XPS 15 9570 and be able to extend my screen. I was using the included HDMI 2.0 cable, and my laptop seemed to detect the monitor, but the monitor itself didn’t detect a signal. So, I was...

Previously I have had no issues with using an external monitor alongside my laptop but I had not been using one for a long time. I am using an Alienware 17 from 2015 and have a 165hz Acer Monitor that I just recently bought. I cannot set it to 120hz as it freaks out and starts flickering...

I have an Acer laptop that was bought 1 year ago..Now I see white globs appearing in my screen and blue horizontal line from the top to the bottom of my screen. I will never buy another Acer again.I never had this problem with HP laptops.