Posted 20 September 2011 - 08:14 AM
I'm not sure if anyone's going to be able to offer an online solution for that. If the controls have physically stopped working, there's not much option other than to open up the monitor and find out why. Unless you have some proficiency with electronics, that pretty much means a service center, especially as (if I identify it correctly), that monitor is an absolute horror to open up. Just to be quite sure the control software for the monitor isn't doing something weird, you could double-check that the controls still don't respond when the computer is started in Safe Mode, or if the monitor is connected to another computer that doesn't have the monitor's software installed.
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