XL2420Z Vertical Total 1350 -> black screen

Adjusting BENQ Blur Reduction and DyAc (Dynamic Acceleration) including Blur Busters Strobe Utility. Supports most BenQ/Zowie Z-Series monitors (XL2411, XL2420, XL2720, XL2735, XL2540, XL2546)
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somethingShort
Posts: 11
Joined: 10 Jun 2014, 03:51

XL2420Z Vertical Total 1350 -> black screen

Post by somethingShort » 17 Jun 2014, 18:07

Hey,

I just got my XL2420Z and am setting everything up. When I tried to do the VT1350 trick and clicked "Test" (Nvidia) my screen went black and stayed black until I hit Ctrl + Alt + Del. Any ideas?

Also the tests on the homepage (alien, moving picture etc.) show 60Hz. Is that supposed to happen? I am pretty sure I am on 120 Hz, I can feel the mouse being way smoother :)

Cheers

Trip
Posts: 157
Joined: 23 Apr 2014, 15:44

Re: XL2420Z Vertical Total 1350 -> black screen

Post by Trip » 17 Jun 2014, 18:45

Nvidia's software sometimes fails and just sticks to the applied setting which can or cannot work. The annoying thing is even after a reboot it will keep these settings. I have had to reinstall my drivers twice now because of this via safe mode since otherwise it is very hard to fix it. Maybe there is some config file of it but I dont know where.
You can usually also look at your osd of the monitor and find its current refresh rate mentioned somewhere dunno if benq also does this. This should be correct 100% of the time. Otherwise just fire up a game in which you can achieve said framerate and enable vsync.

Q83Ia7ta
Posts: 761
Joined: 18 Dec 2013, 09:29

Re: XL2420Z Vertical Total 1350 -> black screen

Post by Q83Ia7ta » 17 Jun 2014, 19:41

somethingShort wrote:Hey,

I just got my XL2420Z and am setting everything up. When I tried to do the VT1350 trick and clicked "Test" (Nvidia) my screen went black and stayed black until I hit Ctrl + Alt + Del. Any ideas?

Also the tests on the homepage (alien, moving picture etc.) show 60Hz. Is that supposed to happen? I am pretty sure I am on 120 Hz, I can feel the mouse being way smoother :)

Cheers
1. First of all, you'll need ToastyX Pixel Clock Patcher for ability to apply this VT tricks: http://www.monitortests.com/forum/Threa ... ck-Patcher for NVIDIA or http://www.monitortests.com/forum/Threa ... ck-Patcher for AMD.
2. There prerequisites: http://www.testufo.com/browser.html

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Chief Blur Buster
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Re: XL2420Z Vertical Total 1350 -> black screen

Post by Chief Blur Buster » 17 Jun 2014, 23:14

somethingShort wrote:Hey,
I just got my XL2420Z and am setting everything up. When I tried to do the VT1350 trick and clicked "Test" (Nvidia) my screen went black and stayed black until I hit Ctrl + Alt + Del. Any ideas?
This is often caused by the Crosstalk setting being wrong. Try launching Strobe Utility and sliding Crosstalm to far left before setting up the VT1350 tweak.
somethingShort wrote:Also the tests on the homepage (alien, moving picture etc.) show 60Hz. Is that supposed to happen? I am pretty sure I am on 120 Hz, I can feel the mouse being way smoother :)
Cheers
This is usually the browser misreporting the refresh rate. See www.testufo.com/browser.html
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somethingShort
Posts: 11
Joined: 10 Jun 2014, 03:51

Re: XL2420Z Vertical Total 1350 -> black screen

Post by somethingShort » 18 Jun 2014, 13:57

Hello,

thanks for all the quick and helpful replies. With the crosstalk set to the left I was able to test and apply the custom resolution now :)

Chrome is up-to-date and in chrome://gpu everything is set up correctly. It also reports 120Hz there. I will try the test with another browser later.

Cheers

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