ET430K 4k monitor. The monitor goes black from time to time, speakers make click sounds & cut out.

I have also experienced this issue about a month into owning the monitor. At first I was not sure if it was the video card or the monitor. It turns out that others have had the same issue with this monitor. I received a call from a Acer rep after they responded to my negative newegg review of the monitor. He stated as the reason and explanation is that the monitor cannot display video under 30 FPS. This explanation essentially shifts the blame from Acer to the consumer who just paid over $500 for this monitor. I must say that I really do not appreciate that kind of trickery from Acer. I have never had a brand new monitor do this before. The monitor is to blame in this instant but Acer does not want to accept responsibility. He offered to let me ship the monitor to Acer for repair. I'm not sure if shipping it off is worth it at this point. I'm still debating on what to do now. Overall my customer experience was worsened and the situation irritated further by what I heard during the phone call. I'll update when I make a decision on how to proceed.

Just found this thread while looking for solutions for the same problem I'm experiencing with the same monitor which I bought at the weekend.

Other research suggests the problem is potentially a flaw in Acer's power saving settings for the monitor's speakers.

Im going to investigate further this evening. 

kjfenton and whitewidow, did you get anywhere with Acer customer support?

I've tried 2 different cables and my screen blacks out with both, so it doesn't seem likely to be a cable issue.

I had terrible customer service from Acer with a tablet I bought some years back, and now it seems like not too much has changed - I'm quite eager to know whether there's a fix in case I need to return this screen.

Acer-Manny said:

Hi Onticom and Onticom,

I'm sorry to hear that you're having issues. Please send me a private message (PM) with the serial number (S/N) of your monitors including the following answers please: 
 

• What input are you using? (DP, HDMI etc.)
• What resolution? (4k, 60hz etc.)
• What system? (please detail as much possible Video card, CPU, etc.)   

 

Thanks,

Acer-Manny    

Hi Manny - thanks for your post. I've sent you a PM with all the details that you have requested.

@Acer-Manny - when do you think I'll see any sort of substantive response on this? Currently I'm sat in front of what is a fairly expensive monitor that keeps blacking out for seconds at a time.

By way of update - I contacted the seller (Amazon) and arranged a replacement, which was a faff (for such a large monitor) but the replacement has, so far, not exhibited the same flaw, so it seems like this is (wholly or partially) an Acer Quality Control issue.

Acer-Manny said:

Thank for the update Onticom,

We need to take a closer look at this issue so the monitors need to come in for repair at your local Acer service center. If you still experiencing this issue, please contact your local Acer support center for assistance: https://www.acer.com/worldwide/

Thanks,
Acer-Manny

It's back with Amazon now - they may be in touch.

A while back I asked for how the problem was fixed in all the other instances of this fault - which I would have thought would have been fairly straight-forward for someone at Acer to post here and possibly help out some of its customers. That's never been forthcoming, and looking back, no reason has been provided to explain why.

Manny, even though the replacement screen seems OK, I remember that you said you'd escalated this to the "appropriate department" and would update when they did.

Have they been able to come back to you with anything yet?

Hi. I'm having the same issue but less frequently since changing from display-port to HDMI. Has there been any further developments on this?