Problems after changing the hard disk?

De
3

After I brought my laptop to the workshop in the hope that you would find a few problems, I installed my two hard drives, inserted new ones and hoped to have fixed the problem… However, this was not the case and today the old ones were reinstalled. In addition, I got a new Windows on my laptop… Now, although the old hard drives are back in, I can hardly access any data… The window symbol e.g. Many games I have now only give an error… Does anyone have a solution for me?

op

Next time back up the data beforehand… Who does not do that please?

De

That is not the problem… The error messages and e.g. The problem is that I can no longer click on the Windows symbol. In addition, the Explorer sometimes crashes

op

Ask the repair service