My laptop is stuck on the repair screen

Usually when it sticks on the repair screen for 10-15 minutes, the drive is failing or has failed bad enough it’s half dead and you can at least retrieve the critical data. STOP USING THE LAPTOP AND PUT YOUR DATA ON AN EXTERNAL DRIVE IF IT STILL WORKS!

What you really need to do now is buy a new drive locally if possible since it’s usually time sensitive once you see long running automatic repairs that persist. As far as what to get, SSDs are becoming so cheap unless all you can afford is a spinning drive, don’t bother with anything less then an SSD.

Once you’ve repalced the drive, you’ll need to reinstall Windows - use the Win8.1 Media Creation Tool to get an image. While you can potentially use a DVD, many of the Aspire E15 SKUs include a dummy drive, so I am going to assume you may have one of those. You can either create a bootable USB drive or get an external DVD drive and write the image to a disc, providing your laptop doesn’t have one.

For the replacement of the hard drive, refer to this video.