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Just got a Compaq Portable (1) with power problems...

Removed it. Seems to work now. So either the battery was the problem, or it just magically decided to work now. Honestly, wouldn't be the first time. As I have a couple of Apple II PSUs that gave me nothing but problems for years. Clicking, ticking, no voltage... Then one day, they just decided to work, and have been reliable ever since. I swear, I didn't do anything to them! I hate it when that happens. You never know if or when it's going to fail. And as long as it's working, there's no way to trace the potential fault.

Also, I tested the Hard Card. And... It's dead. No big loss.

In any case, I think I've taken this thing as far as I can until the replacement pads arrive for the keyboard.
Hate to sorta thread hijack with this unrelated to the topic question, but have you tossed that hard card yet?
 
Please read the blog post. oldcrap replaced failed Compaq PSU with a modern, easy to purchase psu and a custom PCB to mount it in place of the original Compaq PSU.
I did read it and I think the replacement solution is pretty cool. It also lays out a table of parts for the original PSU and the CRT control board, a table that would not apply to the newer PSU revision.

I apologize if I was not clear enough on what I meant
 
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