Quote Originally Posted by guuwey View Post
No, no. I mean, the one that was consumed by the installer as I let it do the partitioning. I want to undo the partitioning (to make it an unallocated space).
Yes, you can do that.

Quote Originally Posted by guuwey View Post
I ran the memory check using the Live KDE CD. There was an error encountered that doesn't seem to stop. It occurred at about 47%. And it looked like it stopped the memory check because of the error.
I don't know how reliable the memory check is, but it rather sounds like a bad news.... And do we know if it used to pass the test, before you manipulated that RAM?
I meant a medium check though. ... but I'm not 100% that it is an option. (don't have a live CD here).