It will work, but the black desktop and the intrusive inscription at the bottom of the screen get bored very quickly. Separately, it is worth highlighting the non-activated version of the OS. If the machine functions quite adequately in this mode, it means that the system settings have suffered, in particular, viruses have made “holes” in the registry, updates have not been installed correctly, as is often the case with them, or the drivers for the video card ordered to live long.
We turn off our machine, reboot and press F8 (use Shift / Del / Fn + F8 as alternative combinations) until we hit the boot window. To begin with, you should switch to Safe Startup mode in order to try to get to system files. We will try to consider each item in as much detail as possible. If you decide to work, and when you turn it on, you see a funny monochrome spectacle, then you will have to look for an alternative source for attacks on the Internet in order to know what to do and where to run. Yes, anything, starting with crashed drivers and ending with another influx of malicious viruses and other software from dubious sources.
What can a black screen mean when you turn on your computer?