I would get and external hard drive enclosure, you can find them everywhere they’re not expensive. Make sure it the right type for your hard drive. Remove the suspected drive and put it in the enclosure. If you have another PC or have access to one. Use the supplied usb cable to plug it into the other PC.
And run “Check Disk tool”. It has a suite of tabs to check the disk. This will also isolate whether it’s the disk itself or your computer.