well new driver same issue remains.
1. Can't use benQ without a 2nd monitor or a 3rd.. screen goes dark even with a custom resolution.
2. Only way to get 1440p working is..
a. 1440p @ 120 resolution or lower
b. Create a custom resolution of 143hz.
even after you set resolution to 143hz refresh rate if you unlplug all other monitors the screen will go dark.
3. Can't install drivers wtih BenQ xl 2730 plugged in.. screens go automatically dark (yes this is after using DDU.)
how to get your BenQ xl 2730 running.
step 1. unplug benQ monitor
Step 2. reboot safe mode and run DDU
step 3. install driverw WITH BENQ STILL UNPLUGGED.
step 4. plug in benQ. it will start working 1440p @60hz.
step 5. create a custom resolution of 1440p @ 143hz.
optional if you want 144hz.
set resolution to 1080p and now you can use 144hz. HOWEVER. BE SURE TO CHANGE REFRESH RATE TO SOMETHING ELSE BEFORE GOING TO 1440P.