Where to fix a monitor?

[QR25DE-SER]

Hi,
I have a Predator X34 Monitor I still have power to it however I do think The Motherboard is fried on it its been on & off turning off
Screen has no dead pixels or anything any suggestions ? They dont make this monitor anymore
It cost new $2500.00
Any Suggestions>
Thanks

[HHURICANE1]

ebay to see if you can pick one up for parts.
Linus Tech Tips just did a video on this sort of thing.
https://www.youtube.com/watch?v=O8gCqSmtkrM

[QR25DE-SER]

Thanks