Displays Weird display issue

I've got a Dell SE2717H that is occasionally going black for a second before coming back on, and it appears to coincide with the fridge compressor switching off (which it does with a popping noise).

The fridge has done this since I moved in, and my last monitor didn't have the problem.

Is it the fridge, the screen, neither or both?!

Any help very appreciated!

 

Ground issue perhaps?

 

I've no idea. It's a head scratcher. Not sure if I should RMA the screen or ask my agent for a new fridge.

 

How frequent is the issue? Could test by switching the fridge off for an hour or two.

 

I have this at work on one of my two screens. It'll randomly go black for a couple of seconds.

 

I would get a UPS tbh. It really doesn't sound good. Do you have your PC on the same supply?

If it's a ground issue the monitor may think that the PC has been shut down, turning itself off.

 

- Stick the fridge on a surge-protected strip
- Wrap a the power cord for the fridge through a Ferrite Choke

If that fails

- Ferrite Choke for the screen too (power cable and video cable)
- Surge protected strip for the screen too.

 

Thanks for the input. I was going to try a new HDMI cable for the screen. I'll definitely put the fridge on a surge protector and see. The monitor already has one.

I don't have any Ferrite Chokes. Is this something one can just add to an existing power lead?

 

It is very infrequent. Coinciding with the fridge compressor which happens a few times a day. Not sure if I should still RMA the screen, as it may be very susceptible to electrical noise.

 

I had this with my 4K display when I turned my A1 Amp on.
After lots of fiddling and cables. I found the only fix was to use a thick insulated HDMI cable.

2 other displays connected to the same PC gave no problems when using the same cables as I had issues with on the main display.

 

I have now put a surge protector on the fridge lead. I can try a ferrite choke and thicker HDMI if that doesn't work. So far it hasn't happened, the compressor is running on the fridge as I type this. So, we'll see.

Thanks for the advice, all.

 

Having tried the above I can say that the monitor is faulty. It goes black in reaction to at least two devices in my home.

Lamda-tek have asked me to return it at my own cost. I'm not sure about that, I've only had it a few days. Other retailers pay for return shipping on faulty new items.