So I'm trying to fix a friend's laptop. It boots up and shows the Acer logo then right after that, it proceeds to show a while unblinking underscore on the top left with a black background. What are the common causes of this? My original thought is it's just a loose hard drive. Unfortunately, I can't open up the laptop because there's a sticker for when it was last repaired. The place where it got repaired before is kinda far and we would like to try and fix it with external methods before having to go there.
Usually that means:
Create a Windows PE boot disk, and see if the drive comes up as C:. If it does, you could try the