I have this monitor labelled as hp 72, came with the HP vectra line of PC's.
The problem is that i cannot change the refresh rates, it is stuck at 60 hz. the monitor is listed as a default monitor, and even after changing the refresh rate from the 60 hz to 75 hz i cannot notice the diff. normally there is a big diff noticed immediately.
I have to work on this monitor 10 hrs a day, so help would be appreciated.
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