Desktop frezes

[Majsterek]

So i heave 2x 1080 conected with 2x 8 pin conector . there are conected to one rail wich provides 2x 8 pin conector . my psu is be quiet Power Zone 1000w . when i stress test my gpu my mouse frezes and somtimes i see my middle screen turn of and on. Can this be becoushe i heave conected 2x 1080 to one power rail as when they where tested seperetly everything was fine .  do i need to conect these cards seperetly i mean to different power rails . where is the problem ? 

[Zando_]

5 minutes ago, Majsterek said:

So i heave 2x 1080 conected with 2x 8 pin conector . there are conected to one rail wich provides 2x 8 pin conector . my psu is be quiet Power Zone 1000w . when i stress test my gpu my mouse frezes and somtimes i see my middle screen turn of and on. Can this be becoushe i heave conected 2x 1080 to one power rail as when they where tested seperetly everything was fine .  do i need to conect these cards seperetly i mean to different power rails . where is the problem ? 

Try connecting them to different rails and see if it makes a difference. Also make sure you have the official Nvidia drivers and they're up to date. Are your cards OC'd?

[Majsterek]

8 minutes ago, Zando Bob said:

Try connecting them to different rails and see if it makes a difference. Also make sure you have the official Nvidia drivers and they're up to date. Are your cards OC'd?

They are at 2000 Mhz and the other one is at 1995Mhz but i dont think this matter since they both run at the card with lover clock.This is strange as i set to synchronize the settings with the Gigabite OC tool and in heaven bencmark 4.0 they disply different core clock and same memory clock

[Majsterek]

1 minute ago, Abyssal Radon said:

I had a PSU that would give my GPU's enough AMP's per rail. So make sure your GPU's aren't exceeding that requirement. My GPU's are power hungry cards, 2x8pin+6pin per card. 

so u heave them both conected to one rail on your psu ? 

[Majsterek]

fairs . two 980 ti must be very power hungry. i will do as othey user heave sugested to plug them both into seperate power rails. 

[Majsterek]

Just now, Abyssal Radon said:

I would try anything before replacing any hardware.

my PSU has 3 rails . the only thing i heave to do i to get one extra cable and plug it to spereate 12 v rail . I pluged them into one for easier cable managment as one cable is easier to manage then two , especially if i conect two i will heave to deal with 4 x 8pin conector  leaving 2 of them with no purpuse