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Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 18 Apr 2021, 07:11
by Moyano
I specially registered to say that my monitor LG 27GK750F-B also died... I bought it in April 2018 and now, after 3 years, it only shows a white screen... Now I don’t know what to do. For me, this is an expensive monitor and I can’t just throw it away, for sure someone has come across a repair that is not under warranty, how much did it cost you? And what was the renovation? I gave it to one workshop and there for several days they have not been able to identify the cause and fix it, tomorrow I will go to pick it up... And then, apparently, I will have to take it to the official service center, but the repair there will probably be very expensive and time-consuming...

Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 03 Jun 2021, 18:46
by lobotomy
Hey I'm running the CRU OC from this thread to reduce stutter and recently the blackscreening has gotten way more frequent (like 10+ times per day sometimes) even when I don't touch the OSD. Power cycling doesn't seem to reset the time until next blackscreen like other users suggested but maybe I'm not doing that step right? Any suggestions or should I just deal with the stutter and reset to default settings?
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Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 09 Jul 2021, 09:35
by mushi
try increasing the front porch to 59, or reducing to 55

Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 29 May 2023, 16:21
by mushi
So I've managed to download the service manual for this monitor.
and in the service manual there's a section in which detailed resolutions are described. They are a little different from the ones described on this thread, but they work VERY well.

I suggest everyone to give it a try. Export you current CRU settings just to be safe. Here is a screenshot of the settings:
https://ibb.co/VQXq52S
Image
@lobotomy

Re: test

Posted: 09 Jul 2023, 20:38
by RealNC
Gabe324 wrote:
05 Jul 2018, 19:13
test
Test failed. :mrgreen:

Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 14 Feb 2024, 05:32
by mushi
ricafps wrote:
04 Jan 2024, 22:09
Any response on this matter? In 2024, I still have this monitor, thanks to you I was able to improve it, but I feel a significant input lag compared to other monitors I've played on.
Have you tried the service manual settings I've posted a couple of posts ago? For me it works best. And AFAIK there's no OC, as the VT is 1215 while its very close to 239.760hz.

Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 15 Apr 2024, 03:05
by slugger86
mushi wrote:
29 May 2023, 16:21
So I've managed to download the service manual for this monitor.
and in the service manual there's a section in which detailed resolutions are described. They are a little different from the ones described on this thread, but they work VERY well.

I suggest everyone to give it a try. Export you current CRU settings just to be safe. Here is a screenshot of the settings:

@lobotomy


How do we apply these setting that you posted and what do these do exactly? can you please give me a guide or give me like a link?

Re: LG 27GK750F-B - 240Hz, 27" 1ms Blur reduction, Freesync

Posted: 07 May 2024, 08:19
by mushi
slugger86 wrote:
15 Apr 2024, 03:05
How do we apply these setting that you posted and what do these do exactly? can you please give me a guide or give me like a link?
hmm, its not that hard. I guess you need to read a bit, especially if you don't know what you are doing.
read first post. long story short, I use CRU to do it, you can google it and find tutorials online, but also in this thread..
GL