Hi, I'm a bit new in here, but I could use some advice. I have a Thinkpad T21 that I've run WIN2K on for the past several years with minimal problems. Recently, however, it has developed a periodic flicker, I can continue to work on it, and it comes and goes. For example, when I started writing this post it was flickering and now it's stopped. While it flickers, the machine makes sort of a whirring whisper. I'm up to date on WIN updates, as well as IBM updates from their webpage (drivers, bios update etc). Any ideas? or is this machine dying?