I recently bought an ASUS PG248Q (together with a whole new PC in fact) and decided to make a thread about it because it gave me some grey hairs setting it up properly. I ran into a lot of different problems other people are also experiencing.
Whether it has to do with ASUS, this model, 144Hz or GSYNC I leave in the middle but one thing is for sure my monitor out-of-box was really a very bad experience. I was at the point of RMA-ing it several times, but after 14 days of tweaking and experimenting I got it to a decent level, hence this guide.
Too bad I can't compare with other G-SYNC or 144Hz monitors.
My setup:- Core i5-7500
- 16 GB RAM
- MSI B250M PRO-VH
- Gigabyte Geforce GTX 1060 6 GB
I connect my monitor via display port. Connecting via hdmi gave some other issues and I decided to focus only on the setup I was going to use.
I do not OC my monitor and keep it at 144Hz in the OSD menu. Overdrive Normal. Dark boost off.
Calibration:I used these guides as a starting point:
https://pcmonitors.info/reviews/asus-pg248q/http://www.tomshardware.com/reviews/asus-rog-pg248q-24-inch-180hz-g-sync-gaming-monitor,4821.htmlThe default gamma and brightness are WAY WAY off. But in contrast to what these guides stated, my gamma was far to LOW instead of to high.
I also noticed a kind of 'warming-up'-effect, the gamma increases when the monitor is up for 'some' time.
Checked your gamma via :
http://www.lagom.nl/lcd-test/gamma_calibration.phpI ended up with the following settings:
- monitor OSD brightness : 25
- monitor OSD gamma : 2.5
- Nvidia control panel gamma : RED (+0.86) , GREEN (+0.86), BLUE (+1.00)
(goto 'Adjust desktop colour settings' - 'Use Nvidia settings')
Scan lines / interlace pattern artifacts:When enabling G-sync at 144Hz I noticed 'scan lines'. 1-2 pixel high mini shade-like waves, running from top to bottom over the screen.
The effect comes and goes but never dissappeared forever. It is also described in this review (
https://pcmonitors.info/reviews/asus-pg248q/) as interlace pattern artifacts.
I managed to fix this by lowering the monitor's refresh rate to 143,900Hz in the Nvidia control panel.
'Change resolution' - 'Select 1920-1080 and 144Hz' - 'Customise' - 'Enable resolutions ...' - 'Create custom Resolution' - 'Timing - Manual' - '143,900Hz'
G-SYNC tearing:I noticed, as well as many other people with G-SYNC monitors, tearing in the bottom half of the screen while in the fps range where G-SYNC should be active (below 144fps). It is a nvidia driver problem.
It is described in detail in this thread :
http://forums.blurbusters.com/viewtopic.php?f=5&t=3073 !!! READ IT !!!!
Conclusion, to obtain a tear-free low-input-lag experience you should:
- enable G-SYNC in the nvidia control panel
- enable V-SYNC in the nvidia control panel
- limit your framerate 2-3 fps below your monitor's refresh rate (mine is at 141 fps), preferably with the in-game framerate limiter otherwise with an external tool (rivatuner).
Let me know if you ran into the same issues as I did.