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		djibril
Having acquired a new 4k tv, with my zero 4k everything is Ok, except for the mode AV 2160p, where the screen becomes black, if I put the mode 2160p30, the image is perfect, but if I zap, the image is retrieved and occupies only part of the screen. 
Thank you for your help...
				
			Thank you for your help...
 
	

