Can a 'good' scratch cause RAM to become useless? I know it depends on where, so here's a picture:
(NOTE: The picture is used only for the sake of clarity, and is in no way identical to mine; for example, in picture is the RAM of a desktop, while mine is a laptop.)
My laptop runs Debian 7.0 Wheezy with XFCE desktop environment. My system does show there's 4GB RAM (actually, it shows 3.7GB, so I guess it's pretty obvious), but how do I check if one of two 2GB RAM cards is failing? I mean, how do I check its health?
(I couldn't find any information on checking RAM/Hardware health on Debian/XFCE.)
My system on the whole appears to be running normal, although ever since I messed with the RAM card as described above, I have a feeling that things are a bit slow. I am not really sure.
UPDATE: Just passed the MemTest86+ check in flying colors. Everything seems to be fine!