We have an infestation of mould mites. These insects seem to love any sort of electrical item in the house and have taken up residence in my laptop. Niiiice. They are apparently extremely resilient to insecticides (as I know - I've tried most household sprays and stuff. Can't really do anything else since they're in electrical items) and can't be hoovered up either. URGH.
Turns out they love humidity and since our house is always cold (yay for condensation everywhere) they've made their home here. No wonder I have unexplained eczema all over my hands and I itch all over. Stupid bugs.
We either need a dehumidifier (can't afford one though) or for pest control to fumigate the house (can't afford that either). Joyous joy.
Really didn't need this, what with all the work I need to do right now (and most of it is to be done on my laptop as well). Grrr.
Edit: Managed to get a picture of one of these things...

This was taken as one of the mites was crawling on a bookend, the only one of many pictures that actually came out ok. Note: this is not actual size - I had to magnify the image several times so that it would show the bug. The mites are about 0.5mm in length.