Lately, my computer has begun to lock up for no apparent reasons. This began to happen after I uninstalled a few applications (mainly games) from my system around 3 weeks ago. Ever since then and every once in a while, my computer will freeze and refuse to respond. The cursor is still movable, but the keyboard becomes unresponsive. Ctrl+Alt+Del does not appear to work either. The hard drive activity light comes on and then goes out and then, the only solution is to manually hit the power button and then reboot. Keep in mind this is a relatively new occurance and to be honest, it is becoming rather worrisome. As I am a University student, it will be difficult to function without a laptop and at this point in time, I cannot afford to purchase a new one. I cannot reformat the machine either as I do not have the Windows Vista DVD as it came preloaded on my laptop.
Thanks and looking forward to a positive reply.