it the brand logo temporarily then goes onto a black screen where i cannot see the mouse etc
Can you get into the BIOS by "spamming" the 'Del' key as fast as possible when you switch on? I have one machine where the USB keyboard is not detected in time, before the 'Del' key time window has ended. On this machine I use an old PS/2 keyboard to get into the BIOS.
I normally disable the motherboard's brand logo in the BIOS, because I prefer to see text on the screen during POST, showing what drives and other hardware are detected, before Windows boots. That way I can access the boot ROM on my LSI SAS HBA controller cards. A bland uninformative logo screen stops me from monitoring my hardware,
Apparently something is preventing you from booting to USB or SSD (hence the black screen) and you may have to tweak a BIOS security or boot setting. If you can't get into the BIOS, you could try temporarily removing the CR2032 battery to clear its settings.
Another trick to wake up an unresponsive BIOS is to remove all the DIMMs, then switch on and wait for the system to reset. When it complains there's no RAM, power off completely, fit the DIMMs and try again.
As
@CountMike says, I find Windows so-called "Repair" function often fails. Occasionally it sorts things out, but more often I resort to reinstalling Windows from scratch.
When you are finally able to start reinstalling Windows 11, use the Advanced setup option when booting from USB, to delete all existing partitions on your SSD (I'm assuming there's nothing on the drive you want to keep). If you're presented with an option to repair an existing Windows installation, you may be wasting your time. I find a fresh install after wiping old partitions usually works best.
When I'm re-installing Windows 10 on an old "used" drive, I delete a small 16MB partition (GPT), a nominal 100MB boot partition, a nominal 540MB Recovery partition and a large Windows C: drive partition filling the rest of the disk. If the drive is MBR, not GPT, there's no 16MB partition.
I pick each partition in turn, select Delete, then move on to the next partition. When all the old partitions are deleted, install Window in the free space. Setup will create all the necessary new partitions automatically.
The same process is probably valid for deleting Windows 11 partitions. I don't know for certain because I'm still trying to decide what OS to run after October 14 and I've only tried Windows 11 on old machines with Secure Boot, Microsoft Account and TPM 2.0 disabled in Rufus.
https://www.wintips.org/create-a-windows-11-install-disk-for-unsupported-hardware-with-rufus/
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