Problem vertical bar multi-color dvr

[mouhssine123 0]

hello when I turn on my dvr it blocted in vertical bar multi-color

 

my dvr PROBLEM is

 

 

https://ibb.co/dA7X0w

 

 

kitvision (chainise)

AHD-3704

AHD-G008C-E

[jeromephone 6]

disconnect all your cameras and hook up a single camera and see if you still have the problem.

 

hook up a single camera with a short patch cord and a single power supply and see if you still have the problem.

 

this will eliminate the power supply and or the wiring causing the problem.

[jeromephone 6]

disconnect all your cameras and hook up a single camera and see if you still have the problem.

 

hook up a single camera with a short patch cord and a single power supply and see if you still have the problem.

 

this will eliminate the power supply and or the wiring causing the problem.

[mouhssine123 0]

THANKS YOU FOR YOUR HELP,I WELL TRY IT AT HOME BECAUSE I'M in the office now

so thank y very mutch

[mouhssine123 0]

hi,Mr jeromephone i trying all the soultion that you said but it's the same problem i thinks it's probem of the fimeware can serching witth me the firmeware please because it's chinaise dvr