William Sommerwerck wrote:
FWIW. I finally got around to opening the monitor.
I unplugged and replugged the internal connectors,
and tried it again. It seems, so far, to be working fine
now. Maybe I got lucky.

Obviously, the problem was caused by oxidized connections. Did you
use a cleaning agent, such as DeOxit, before reattaching the
connectors? This might keep the problem from recurring.


I didn't, but will if the problem re-occurs. Thanks.