HDMI not working on brand new mac Mini

Question

Level 1

4 points

HDMI not working on brand new mac Mini

I just unboxed my new MacMini and want to set it up but the HDMI port is not working. I have tried all three HDMI ports and cables and none will show a log on desktop. YOu just get two different icons that it switches back and forth from (one a computer or DVD player with a drive) and the other like a picture of a cable). .. I have tried having the computer on and disconnecting the cable and reconnecting. This does not work. I have tried to switch on the mac mini at the same time as I select the HDMI port as was suggested and this does not work.

I have also tried to connect with an ethernet cable to our local internet and find the mac mini using screen sharing on my macbook air but this does not work either. I don´t know what else to do???

What are the chances the port is actually defective??

all the best

[Personal Information Edited by Moderator]

Posted on Dec 10, 2021 2:32 AM

Reply

Answer 1

Top-ranking reply

woodmeister50

Level 7

21,225 points

Dec 12, 2021 1:35 PM in response to DrSpace1

A way to determine if you have a borked HDMI port on the Mini is to pick up a USB-C to HDMI cable or adapter and plug into one of the USB-C ports on the back of the Mini and see if the same thing happens.

If the same thing happens, there could be a problem with the LG ports. If it works, then the HDMI port may be borked and if so, contact Apple support directly to get an appointment at an Apple Store or a near by Authorized Apple Service Provider.

Reply

Answer 2

VikingOSX

Level 10

124,652 points

Dec 12, 2021 12:11 PM in response to DrSpace1

Get an HDMI 2.0b or 2.1 cables that is rated at UHD 4K@60 Hz and HDR capable. Check your TV manual for any particular port that is recommended for computer connections, and the required HDMI specs necessary.

Power off the mini. Power off the TV. Connect the proper HDMI cable. Power on the TV. Then, power on the Mac mini. Check System Preferences > Displays panel on the mini.

Reply

Answer 3

hcsitas

Level 6

13,970 points

Dec 10, 2021 4:38 AM in response to DrSpace1

How long is the HDMI cable? What monitor?

Reply

Answer 4

hcsitas

Level 6

13,970 points

Dec 10, 2021 5:13 AM in response to DrSpace1

Looks like a very noisy LG TV. Try 50 cm?

Reply

Answer 5

DrSpace1 Author

Level 1

4 points

Dec 10, 2021 5:18 AM in response to hcsitas

This is the TV that I have... I can´t just change it into a 50???? I just want to know how to determine if the computer is defective or not? I can´t manage to see it on my macbook air when I connect it to the ethernet hub either?? Without a screen to see it on, it is hard to know what is going on...

Reply

Answer 6

DrSpace1 Author

Level 1

4 points

Dec 10, 2021 7:36 AM in response to hcsitas

Cable length did not matter... 50cm or 1m.... It seems to connect but the only image I can see are these two icons on a pink blue gradient background. None of the keys on the keyboard seem to do anything.

Reply

Answer 7

hcsitas

Level 6

13,970 points

Dec 10, 2021 8:07 AM in response to DrSpace1

You had a 50cm HDMI cable handy huh? That’s a bit surprising. Irrespective, you have the right of refund and also free repair, but I must caution that it looks like an LG TV issue. Unless you insist on using the oversized LG TV and not a regular monitor, better IMO to obtain a refund and go for a Windows laptop. The problem will likely persist even after repair/exchange. All the best anyways!

Reply

Answer 8

DrSpace1 Author

Level 1

4 points

Dec 10, 2021 4:54 AM in response to hcsitas

The cables are about 1m long, not super long and I am trying to connect to an LG 49UN73006LA TV..... I have tried 3 different HDMI cables and the HDMI1, 2 and 3 ports. None work.. Thanks...

Reply