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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 9

post #81 of 2929
Quote:
Originally Posted by Darylrese View Post

ive installed the registry hack but all I have is '3D Vision Discover' not my Benq 2420T...will this work?

How did you install it?
post #82 of 2929
Install what? I just downloaded the reg hack that's it! Other than that its listed as benq 2420t in device manager and running latest drivers 310.70 WHQL
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post #83 of 2929
BTW my Benq arrived from the UK in 2-days. Unreal. Testing now.
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post #84 of 2929
Thread Starter 
Here's the BENQ XL2411/XL2420 instructions.
Apparently, the driver seems to locks the Benq from being allowed to use LightBoost without buying 3D glasses. We need to override this, see below.

TuGuX from TechNGaming appears to have a solution that you could try working from, to trick a Benq into thinking it's an ASUS VG278H so that the LightBoost strobes works without glasses in 2D mode:
Quote:
Originally Posted by TuGuX 
@[member='bojinglebells']

First, you install this .inf via device manager: http://www.scanningbacklight.com/files/Asus-VG278H-3D-Monitor-EDID-override.inf
Then you reboot.

After this, you enable this: http://www.scanningbacklight.com/files/ForceLightBoostWithoutGlasses.reg

Make sure windows is set to 120Hz
Goto NVIDIA drivers, check the box to 'Enable Stereoscopic 3D'.
Assuming it has worked, it should now list the 'ASUS VG278H' monitor as the Stereoscopic 3D display type, and not '3D Vision Discover' which is there by default.
In this same section, set the drop down box for stereoscopic 3D to 'Always Run'.

Now start a game, I tested it with CS:GO .. I had 60 FPS and real 3D on (which is not good) AND check your monitor settings (when you go in menu -> picture, there should be something like "Nvidia LightBoost", then it's working)

Next step, just uncheck 'Enable Stereoscopic 3D'. Now you should have more than 120 FPS with LightBoost (depending on your hardware), so everything is nice and working right now.

To turn it off, I guess you have to change the Always Run stuff, or completely deinstall monitor and install normal BenQ Drivers

Edited by mdrejhon - 2/24/13 at 8:53pm
post #85 of 2929
So far this is what I've come across in testing the Benq XL2411T trying to get Lightboost to work in games:

You must have the Asus "H" monitor .inf installed. This is the only way to trick the NVIDIA control panel into thinking you have an emitter. Applying the Benq .inf will tell you you don't have a USB emitter installed and it will never Lightboost.

Getting Lightboost to work in 2D mode/windows is easy. The problem is that smooth scrolling in Chrome, or anything else you would use on the desktop stutters. The increased motion clarity is indeed there, but the stuttering completely spoils it. The stuttering is like the text "bounces" up and down very rapidly and is very distracting. I am not sure if it is because of the FPS not exactly matching the monitor or what.

Lightboost on the Benq completely disables all monitor controls besides contrast. The good part is that the Benq stays pretty darn bright in Lightboost mode! I actually have to turn down the contrast some.

The bad news is that the colors go to hell and there is a maroon tint to the whole screen with Lightboost enabled.

Unable to get in a game in 2D mode whilst simultaneously having Lightboost enabled. With 3D enabled in NVIDIA control panel (NVCP), both Skyrim and BF3 start by default in 3D and there is no way to turn it off. If you start the game(s) in 2D, then change to enabled 3D in control panel and tab back into game, two different things happen. Skyrim just goes to a black window and crashes. BF3 alt-tabs back in, but when the screen transition occurs, the 2D windows Lightstrobe background turns off by itself and the game goes back to non-Lightstrobe 2D.

Thoughts?
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post #86 of 2929
Doing some more testing, since I am a 3D noob, I found that there is a shortcut (Control-T) that disables 3D effects. So it is of no consequence that your game launches in 3D mode, just press Control-T. Voila, Lightboost enabled and no silly 3D effects.

Just got done playing a game of BF3. Definite motion clarity improvement, but maybe not quite all the way to a FW900. I'd say maybe 70-80% the way there based completely subjectively.

I also found that in addition to contrast, the Lightboost feature has a slider to make change to it's brightness. Not sure how it does this. (Possible different lengths of pulsing once per pixel?) If that were the case, dimming it down would make for less motion blur.

Some things I still have to test and work on:

This stuttering problem in Chrome (unrelated to Lightboost).
This color tint when in Lightboost.
Getting 144 Hz to work with Lightboost (works by default in 2D mode at 144 Hz even though Benq markets it as a 120 Hz monitor which I find completely inane).

All other features of the Benq like "Black eQualizer" do not work in Lightboost mode.

The largest benefits I see of this Benq is it's 1ms response time, even without Lightboost is the fastest LCD I have seen. It is also quite bright even with Lightboost enabled. 24" is about the limit for me on pixel size for 1080P which is also a plus for some people.
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post #87 of 2929
Glad you got it working. For me Ctl T disables 3d and lightboost as well.

BF3 has issues with stutter at the moment with many setups. Do you have MOHW to try out? It works perfect for me, and is much smother that BF3, even at same FPS.

Also when having 3d enabled in Nvidia control panel and disabling 3d with Ctl T I have performance loss compared to 2d w/ LB.

Have you got PixPerAn to work? It sounds like your setup is still trying to default to 3d, in which i believe Pixperan won't work.
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post #88 of 2929
Warning: Spoiler! (Click to show)
Quote:
Originally Posted by CallsignVega View Post

Doing some more testing, since I am a 3D noob, I found that there is a shortcut (Control-T) that disables 3D effects. So it is of no consequence that your game launches in 3D mode, just press Control-T. Voila, Lightboost enabled and no silly 3D effects.
Just got done playing a game of BF3. Definite motion clarity improvement, but maybe not quite all the way to a FW900. I'd say maybe 70-80% the way there based completely subjectively.
I also found that in addition to contrast, the Lightboost feature has a slider to make change to it's brightness. Not sure how it does this. (Possible different lengths of pulsing once per pixel?) If that were the case, dimming it down would make for less motion blur.
Some things I still have to test and work on:
This stuttering problem in Chrome (unrelated to Lightboost).
This color tint when in Lightboost.
Getting 144 Hz to work with Lightboost (works by default in 2D mode at 144 Hz even though Benq markets it as a 120 Hz monitor which I find completely inane).
All other features of the Benq like "Black eQualizer" do not work in Lightboost mode.
The largest benefits I see of this Benq is it's 1ms response time, even without Lightboost is the fastest LCD I have seen. It is also quite bright even with Lightboost enabled. 24" is about the limit for me on pixel size for 1080P which is also a plus for some people.

Not sure if you were planning on purchasing that monitor before this thread or not, but thanks for returning, and giving feedback. +rep


Sooo, as a final verdict -- too good to be true?
post #89 of 2929
Quote:
Originally Posted by Swolern View Post

Glad you got it working. For me Ctl T disables 3d and lightboost as well.
BF3 has issues with stutter at the moment with many setups. Do you have MOHW to try out? It works perfect for me, and is much smother that BF3, even at same FPS.
Also when having 3d enabled in Nvidia control panel and disabling 3d with Ctl T I have performance loss compared to 2d w/ LB.
Have you got PixPerAn to work? It sounds like your setup is still trying to default to 3d, in which i believe Pixperan won't work.

BF3 is working perfect with Lightboost enabled. Testing with more blur tests. Are you saying you manage to have Lightboost on without having enable 3D checked? That is the only way I can get Lightboost to work. But, Lightboost stays on when I Control-T. Also, is the Asus back light intensity adjustable? Or just contrast? BTW this Benq is bright with Lightboost enabled!

Pixperan keeps crashing. Haven't tried alt-tabbing between 3D settings yet though.
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post #90 of 2929
Double post
Edited by Swolern - 12/20/12 at 9:47pm
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