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LightBoost, G-SYNC, Turbo240: 120Hz Strobe Backlight LCDs / No Motion Blur! - Page 118

post #1171 of 2929
Quote:
Originally Posted by mdrejhon View Post

VG278HE has worse LightBoost trailing artifact than the VG248QE. The VG248QE is generally one of the stellar specimens in having very clean LightBoost motion (zero blur, zero ghosting, zero overdrive) -- at least along the center band of the screen. However, the VG278HE supposedly has significantly better color than the VG248QE. So it's a tradeoff.
lol I only bought this monitor because it was the cheapest 120hz monitor. I guess I lucked out on that one.
post #1172 of 2929
Quote:
Originally Posted by ToastyX View Post

A double image indicates the frame rate is 60 FPS. You're seeing a double image because each frame is being strobed twice at 120 Hz. You'll need to find out why the frame rate is being limited.

Some ghosting towards the bottom of the screen is normal, similar to the image on the right except fainter.
Quote:
Originally Posted by mdrejhon View Post

Good catch.

But the poster said that one ghost image is fainter than the other. The LightBoost trailing sharp ghost should be faint -- only 1% to 5% intensity, tops. Some monitors (XL2420T) have it worse than others (XL2411T).

HOWEVER... if the double image effect is equally strong, then it's definitely a 60fps@120Hz issue.

If it's almost as strong (e.g. 25% or 50% strong) and you see the double image clearly in all games (even older source engine games), and you are very very very certain it's not the 60fps@120Hz effect, then your LightBoost is probably defective. (I'm of course, talking specifically about VG248QE and XL2411T which doesn't have much LightBoost trailing)

If you are using the stereoscopic Control+T method, try ramming Control+T several times -- sometimes it 'unsticks' the 60fps@120Hz into 120fps@120Hz. However, it's best to disable the stereoscopic 3D checkbox if you've already setup lightboost via ToastyX method.

Thank you both for the replies. smile.gif The double images are equally faded and the areas in which they overlap are the strongest in brightness. I've tried LightBoost @ 100 Hz, but there was no improvement. I'm using the ToastyX CRU method and the stereoscopic 3D checkbox is disabled. My monitor contrast is already set to 65 and decreasing it to 50 did not help.

Both FRAPs and in-game FPS counters indicate that my FPS is being capped at 120. If I pan my view fast in-game, it results in a panorama of double images and I'm unable to see anything clearly. This happens on all sections of the monitor (top, middle, bottom). From the looks of it, each frame is indeed being strobed twice. Unfortunately, I'm not sure how to fix this.

For now, I'll try updating my video drivers (currently version 311.06) since I've had driver errors pop up in the past.

P.S. I forgot to mention that in PixPerAn, it says 60 FPS in the top-right corner even though LightBoost is enabled @ 120 Hz. Switching to Lightboost-disabled 144 Hz results in 72 FPS in PixPerAn. Is this normal? V-sync is turned off and I'm running Windows 7.
Edited by Karnaj - 6/23/13 at 9:44pm
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post #1173 of 2929
I wonder if you guys can help me decide which Lightboost monitor to get.

Background: I have a 22" HP w2207h now. It's ~6 years old, TN & 60Hz but glossy and has great colors. I debated a Korean IPS (Qnix) but one of the reasons I want a new monitor is so I can run an HDMI from the new PS4/XB1 to my monitor. Can't do that with the Korean IPS's as: 1) HDMI equipped IPS monitors don't seem to be able to OC to 120Hz. 2) Since it's 1440 it would take a 720 signal from the console and upscale it to 1440 which would look like crap.

I've been using a TN for so long I'd probably be more than happy with one of the Lightboost monitors. Only real gripe I have is going back to a matte monitor, I like the colors I get on this old glossy HP.

Here's the issue... I live in Japan and what's available and prices for the monitors seem to be quite different than US/Can.

Not available: BenQ XL2411T. I can't find it available anywhere online here in Japan. Amazon.jp forwards XL2411T to the XL2420T. Also the Samsung monitors are pretty hard to find plus expensive it seems.

Here's what's available plus cost (converted to $):

24":
Asus VG248QE $360-$400 (this is probably my most wanted but that ~$100-140 increase over US price puts me off)
BenQ XL2420T $315 (not as good as the VG248QE from what I've read here)

27"
Asus VG278H $540 (comes with glasses/transmitter. the NVIDIA 3D Vision 2 Kit costs $200 separately here for some odd reason so the price of this isn't that horrible if you factor that in)
Asus VG278HE $430
BenQ XL2720T $500

And that's it from what I can find here.

Not sure if I'd want a 27" model though. Don't know if I could live with the huge pixels as this would be my main monitor for web browsing and movies as well. I sit about 2-3' away from the monitor. I suppose I could go dual monitor and get a Korean IPS and also have a Lightboost on the side. Not sure what kind of headaches I'll run into running monitors of different resolutions and refresh rates.
    
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post #1174 of 2929
Thread Starter 
Quote:
Originally Posted by Karnaj View Post

P.S. I forgot to mention that in PixPerAn, it says 60 FPS in the top-right corner even though LightBoost is enabled @ 120 Hz. Switching to Lightboost-disabled 144 Hz results in 72 FPS in PixPerAn. Is this normal? V-sync is turned off and I'm running Windows 7.
There's your problem -- fix this first.
It's not a monitor problem.

Try upgrading the software drivers, too.
Failing that, uninstall and reinstall.
You have the same problem regardless of VSYNC ON or VSYNC OFF?
Edited by mdrejhon - 6/24/13 at 5:37am
post #1175 of 2929
Thread Starter 
Quote:
24":
Asus VG248QE $360-$400 (this is probably my most wanted but that ~$100-140 increase over US price puts me off)
BenQ XL2420T $315 (not as good as the VG248QE from what I've read here)

27"
Asus VG278H $540 (comes with glasses/transmitter. the NVIDIA 3D Vision 2 Kit costs $200 separately here for some odd reason so the price of this isn't that horrible if you factor that in)
Asus VG278HE $430
BenQ XL2720T $500
The XL2420T has better color than the VG248QE. It's the LightBoost trailing artifact that is nearly nonexistent on the VG248QE but more visible on the XL2420T.
post #1176 of 2929
Quote:
Originally Posted by mdrejhon View Post

There's your problem -- fix this first.
It's not a monitor problem.

Try upgrading the software drivers, too.
Failing that, uninstall and reinstall.
You have the same problem regardless of VSYNC ON or VSYNC OFF?
Updating my NVidia drivers to 320.18 fixed my problems. thumb.gif The FPS counter in PixPerAn reads 120 now and the car is crystal clear with no double image or ghosting at all. I'm simply amazed at how fast, yet clear, the image is. I'm also able to read up to tempo 25+ in the Readability Test. I wholeheartedly recommend the ASUS VG248QE with the LightBoost tweak. My old ASUS VG236H cannot compare due to its motion blur issues and lack of LightBoost. Thank you and ToastyX again - I am a happy man indeed.
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post #1177 of 2929
Thread Starter 
Quote:
Originally Posted by Karnaj View Post

Updating my NVidia drivers to 320.18 fixed my problems. thumb.gif The FPS counter in PixPerAn reads 120 now and the car is crystal clear with no double image or ghosting at all. I'm simply amazed at how fast, yet clear, the image is. I'm also able to read up to tempo 25+ in the Readability Test. I wholeheartedly recommend the ASUS VG248QE with the LightBoost tweak. My old ASUS VG236H cannot compare due to its motion blur issues and lack of LightBoost. Thank you and ToastyX again - I am a happy man indeed.
Great to know that your problem has been fixed.
It's interesting to see that a driver issue was the cause of this.

For other tips and tweaks, see LightBoost FAQ -- including the LightBoost 10%, 50% and 100% settings -- the lower % settings reduce blur even further (but at a brightness tradeoff).
post #1178 of 2929
Anyone test new driver for vg248qe/other monitor colors?
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post #1179 of 2929
Must try this again with my BenQ 2420T, tried once before but couldn't work it out.
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post #1180 of 2929
Thread Starter 
Quote:
Originally Posted by Darylrese View Post

Must try this again with my BenQ 2420T, tried once before but couldn't work it out.
The method is much easier now -- the LightBoost HOWTO no longer uses registry tweaks or INF files.

The method will become even easier, as ToastyX is releasing a new utility by July that allows you to turn on/off LightBoost upon the press of a hotkey (after a quick automatic initialization of the monitor that no longer requires 3D Vision drivers).
Edited by mdrejhon - 6/26/13 at 7:42am
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