Laptab

I have a laptop without a screen, I use it on an external monitor using a vga output, its boot system was csm and I modified the BIOS to use another hard that boots via uefi and when saving the setting, I rebooted and the screen became black and there is no response, I tried several ways such as...

Hi. I can't set the optimal resolution and frequency for this external display. Most likely the problem is in Windows 11 current state. Hardware parts: Monitor: BenQ EX3501R - 3440x1440 100hz laptop: IdeaPad 5 Pro 16ACH6 with AMD Ryzen 7 5800H with Radeon Graphics and hdmi port HDMI 2.1 cable...

Hello everybody, Lenovo G50-45 CPU AMD E1 2GB RAM I described my laptop before, now I can tell my problem. Yesterday, everything works, but this mornin' I tried to turn it on but I have get the Lenovo picture and it reboots, and it reboots for 2nd time, 3rd time... but it didnt stop. I tried to...