A few days ago I bought a new HP 255 G7 laptop. The next day a white screen appears with colors from the startup of the laptop. After a few reboots, the screen was fine. The next day the same problem. Today it is just a white screen. I tried to connect to the TV via HDMI when the laptop screen was blank and the TV display was OK. I checked that I have the latest version of the graphics card driver.
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