My first move would be to remove the hard drive from the enclosure. I’d search YouTube for instructions for your specific ...

At one point, you were supposed to put a monitor on top of your computer ... hard drives, and it shows: this is a complete 286-based system stuffed into what was probably an external enclosure ...

In this case, you can back up your files by removing the hard drive and then inserting it into a USB enclosure and ‘slave’ the drive to another computer, and then backup your data to the ...