Bottom right of my screen (Macbook Pro 15 inch 2017) is brighter than the rest, what should I do?

Reset PRAM:  Reset NVRAM or PRAM on your Mac - Apple Support

Reset  SMC:   How to reset the SMC of your Mac - Apple Support   Choose the appropriate method.

Startup in Safe mode. https://support.apple.com/en-gb/HT201262

To leave Safe Mode, click  in the menu bar and choose “Restart”

 If this doesn’t help, contact Apple Support:

 https://support.apple.com/contact

sarmamia wrote:

Bottom right of my screen (Macbook Pro 15 inch 2017) is brighter than the rest, what should I do?

Will it get worse? Or can I wait to fix it?

https://discussions.apple.com/content/attachment/e198a709-d066-454c-a75e-12235903267a

This could be the beginning of a projector cable issue— I would track this, if it get progressively worse over time then you may need service:

Learn how to get your Mac fixed and how much it will cost.

https://support.apple.com/mac/repair/service

Get your Mac ready for service - Apple Support https://support.apple.com/en-us/HT209095

It was a known issue on the 13" 2016 MBP:

Service Program—

https://www.apple.com/support/13-inch-macbook-pro-display-backlight-service/