[Hello, every one]

Hello, welcome!

[substituting original Xbox DVD drive with PC DVD drive?]

I got lucky when I got a Hitachi drive from an Xbox I bought as parts on Ebay. Works great so far.

[Xbox repairs.]

It sounds like a bad power supply. Could also be bad capacitors, but you'd have to open up your Xbox to look for leaking capacitors. That would be my guess regarding power issues

[Consumer CRT/modern flat-screen/ PVM?]

I have a Sony Trinitron from around the mid 2000's