Just to be entirely clear, humour aside, help is freely and willingly available here, but it's best to have some accurate details of the problem.
Problems with blank screens and dashes, (if that's what they are) may be associated with the graphics card, so the output of the following terminal commands might supply some useful info in the first instance:
Code:
lspci -nnk |grep -A3 -i vga
inxi -G
xrandr
If it's not possible to get into the system from normal grub, it's possible to boot to text mode to then run the above commands. See this thread to check out how to boot to text mode:
In a preliminary look at the Intel Arc 770 graphics card, it's reported to run well on 6.2 kernels. Another report indicated a BIOS update was needed to get a latest feature. In that case, it would be useful to know the kernel version, among other details of the computer with a command like: