Gray screen

[frosty forge]

if you're still getting OSD but no image from the fpv camera, then it's a camera issue

if you're not getting even the OSD and it's all "static", then make sure the vtx isn't in pit mode, and that both your goggles and vtx are in the exact same channel

[forest cairn]

I change camera , same issue , only osd

[forest cairn]

How can i fix it

[frosty forge]

does your camera system matches your settings on betaflight? Sometimes, that can be a factor.
(e.g. is the camera on PAL? is betaflight on PAL too?)

can you post a photo of the camera wiring?

[forest cairn]

Yes , Same , Table BF

Goggle = HDzero = NTSC
BF = Osd tab = NTSC

[forest cairn]

Ok , I will send you

[forest cairn]

Same pic

Sorry dude , im at work now 😁

[frosty forge]

I'm asking for the CAMERA wiring though. you're showing vtx WIRING GUIDE for your FC

[forest cairn]

This

[frosty forge]

but I want to see how YOU wired YOUR camera

if I wanted to see a wiring guide, I can just ask you for your flight controller model and I've looked for it myself..

[forest cairn]

In my home ::(