I have a HP dm4 laptop (i5 / 6G RAM / SSR HDD)
Lately it has started to suddenly slowdown to a crawl. Everything is slow: graphics, disk, menus etc.
I am now running Win 10, but I had the same issue under Win 7 (this is why I tried to upgrade)
Didn't find any viruses.
S.M.A.R.T does not show...