Studio Display won't turn on!

I got my brand new Studio Display (with 15.4 already on it), from the Apple Store today and experienced the same behavior with both a 2021 14-inch MacBook Pro, and a 2021 iPad Pro 12.9. Nothing but flicker on/pod and the three dots when powering on.

However, as soon as I switched to the Thunderbolt cable that came with my old LG Ultrafine, everything just worked. Will be contacting Apple Support for a new Thunderbolt cable because those suckers ain’t cheap and should work out of the box with an expensive monitor like this!

Update from the apple store on 7/3/22:

Apple rep stated:

Firmware update error may be effecting a small amount of Studio Displays. Recommended action is to have the store replace the motherboard in the monitor or return for a full refund.

My thoughts:

Since this was the first Studio Display they and their technicians have seen, I opted out of the repair. It also makes me a little nervous that there was a hardware issue days into use. The product is so new that there just isn’t a good sample size for error reporting and fixes. I’m sure in the future it will all work out just fine. As for me, I’m returning my dual setup for a single Pro Display XDR.

After I checked every possible scenario, such as the thunderbolt port, devices (I've checked two mac books, iPad pro), except the thunderbolt cable. (since my friends and I don't have one) I first asked the Apple support team to send an extra thunderbolt cable, but they don't answer. Now, spending two weeks from the event, the reseller, who sold this Apple Studio Display, brings me one for the last check-up before shipping the Display. (Ta-Da!) It works! The problem was the thunderbolt cable Apple provide in my case. I will report this to the Apple Support team soon.

Please try a good-quality thunderbolt cable!

I had exactly the same issue. I would only get the three flashing dots after powering up the display and then it would go black. Tried a different cable, different machine, even plugging in my iPad wouldn’t turn it on.

I spent an hour with support and then they eventually sent me a replacement.

I suspect it was a corrupted auto firmware update overnight that bricked it.

Stopped by the Apple Store last night to check on my Studio Display and was told they had to order a new logic board and there was no delivery/repair status. Since I was still within my two week return period, I returned it and ordered a new display that will be here on Tuesday.

Connect your computer to the port closest to the stand. That fixed it. Spent 30 mins with them to find that out.

resolved by plugging in cable to port closest to stand. also the cable did not work in every macbook pro port. not great.

I had the same issue i swapped the studio display again the same issue , I restarted not working and tried connecting the the thunderbolt cable to the studio display port with lightning bolt above it and now it is working and also updated the latest firmware , Thank you

I found the solution - connected the thunderbolt cable at the display at the port on the right, the only one with the thunder symbol. Worked right away with the MacBook Pro and the iPad.

In my case, I replaced my previous 27" 4K monitor with a Studio Display on my iMac 5K 2017 and it was pitch black and nothing showed up!

I had a RAID storage Drobo 5D3 connected to the Thunderbolt 3 port, and when I disconnected it, the Studio Display appeared, then I connected the RAID storage, and both were connected without any problem, and there was no problem when I woke up from sleep.

I contacted Drobo and they said it could be due to power consumption or bandwidth.

Is there any other connection to MacBook pro 13"?

Must use Monterey 12.3 or higher

Did you try unplugging from the wall, wait 3 minutes and plug back in. This may reset the monitor.

I had this issue also, it's just resolved itself.

I am on Monterey 12.3.1 (newest at time of writing)

What I did was unplug the display from power, let it sit for a few minutes, plug it back into power, then put the thunderbolt 4 cable into the display and then into the laptop.

But this only worked after letting it sit like that, plugged in, for like 5-10 minutes.

Also one time literally just switching which end was plugged into the display fixed it...

I don't know if it is required to do this every time you switch macs, which I planned on doing a lot of (thunderbolt is supposed to be the ultimate universal port, right?) but it is unacceptable for this to occur every time I switch macs. (As it has, every time I've tried to hot swap them.)

Especially costing what it does.

I have posted above my solution after a long tries:

using original black Apple USB-C / Thunderbolt cable, which comes with the Studio Display

I have connected at the one end to my MacBook Pro 16" 2022, the end to the with one Thunderbolt port and on the other to that port of the Studio Display, where there is a little lightning picture.