Lines through screen after Panel Protect while gaming on MPG 341CQR X36

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laithyoussef915b502e0

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Hello,

Posting in case others have run into this. On my MPG 341CQR QD-OLED X36 (firmware v0.18) I got horizontal lines/banding across the entire screen right after a Panel Protect cycle finished, while gaming in HDR (Forza Horizon 6).

A few details that might help narrow it down:
- The lines are also visible over the monitor's own OSD menu, so it's display-side not the PC, cable or GPU.
- They stay after a full power cycle (unplugging) and after a manual panel refresh.
- I can't reproduce it on demand.

Some history: this is my second unit of this model (the previous one from a different retailer). On the first unit a similar fault showed up, but it appeared after the AI Care sensor auto-woke the screen rather than after Panel Protect, again during Forza Horizon 6 with HDR turned on (don't know if HDR is relevant). On that first unit the lines cleared on their own after I left the monitor off for 1–2 hours.

So both times it happened around an OLED Care event (Panel Protect / AI Care) with HDR on while playing Forza Horizon 6, which makes me suspect a firmware interaction rather than just a bad panel but I'm not certain.

Questions for anyone here:
- Has anyone else seen lines/banding tied to Panel Protect or AI Care?
- If so, did leaving it powered off for a while clear it, or did it stay?
- Any firmware version or workaround that helped?

Photo attached. Thanks!
 

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rlgrec15cf02e7 said:
Yes I had the same thing happen to me. The way I cleared it was to force into another panel protect cycle and it cleared on its own.
Click to expand...
I tried doing this but it didn't work the first couple of times. I then disconnected my second monitor and ran it again and it worked.
Are you running multiple monitors? And has this happened more than once to you?
 
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Nichrome said:
Probably a firmware bug. Make sure you report to MSI:
>>How to contact MSI.<<
I've been running MSI QD OLED for over a year now without any issues.
Click to expand...
My monitor has already been to MSI once, for a weird issue during low power mode. The only thing that they did was to update the firmware and destroy my perfect box during transition.
I was asked to send it again, for this new issue, but I am not willing to.
If it is a bug, publish the new firmware and let me know so I can update.
If not, I will just return it and request a refund.
 
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Welp, the choice is yours. I don't know if, and how soon, they may release a patch.
 
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