Mike's PCjr Page

I posted this in vintage-computers.com but maybe the users here will give me something else to try. I recently purchased a Jr off eBay that is not functioning. Display plugged in, turn the system on, nothing. I get a white screen, nothing else, and a constant hum/beep sound. I have disconnected ever...

Hi! I'm new, of course. I started on here because I posted about some Jr help on vintage-computing.com and Mike said I should join the community! More than happy to talk to folks interested in the Jr!