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Level 1

4 points

Mac Mini M2 Display Port 1.2 to Thunderbolt 4 (USB-C)

I was trying to connect my monitor, a Philips 278E8QJAB via Display Port 1.2 to the Thunderbolt 4 using a USB - C cable (https://alogic.co/usb-c-male-to-displayport-male-cable-ultra-series-4k-60hz-space-grey.html)

It is not sending video signal to the monitor. When I connect the monitor via HDMI to the Mac Mini along with the USB-C cable to the same monitor I can see the led indicator on the USB - C turned green and there is video signal even I pulled off the HDMI cable.

Not sure what went wrong.

Posted on Mar 12, 2023 3:01 AM

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Level 10

82,420 points

Posted on Mar 12, 2023 7:06 AM

It should work using a USB-C to DisplayPort cable. Can you select DisplayPort using the displays menu options?

If not, try shutting down the Mac mini and turning off the display.

Connect using only the USB-C to DisplayPort cable.

Then startup the Mac mini and turn on the Display.

If that doesn’t help, try a different USB-C to DisplayPort cable.

https://www.amazon.com/gp/aw/d/B09M38CXZ3/ref=sspa_mw_detail_2?

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8 replies

Top-ranking reply

Level 10

82,420 points

Mar 12, 2023 7:06 AM in response to wsthong

It should work using a USB-C to DisplayPort cable. Can you select DisplayPort using the displays menu options?

If not, try shutting down the Mac mini and turning off the display.

Connect using only the USB-C to DisplayPort cable.

Then startup the Mac mini and turn on the Display.

If that doesn’t help, try a different USB-C to DisplayPort cable.

https://www.amazon.com/gp/aw/d/B09M38CXZ3/ref=sspa_mw_detail_2?

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Level 10

82,420 points

Mar 13, 2023 7:54 AM in response to wsthong

Go to the Displays OSM (on screen menu) select Input and then select the DisplayPort input.

see section 2.2

https://www.download.p4c.philips.com/files/2/278e8qjab_00/278e8qjab_00_dfu_eng.pdf?_ga=2.5611184.243412856.1678718513-2137501927.1678718513

https://www.philips.co.uk/c-p/278E8QJAB_00/curved-lcd-monitor-with-ultra-wide-color/support

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Level 1

4 points

Mar 13, 2023 2:37 PM in response to den.thed

Thank you. Unfortunately drivers are for Windows.

Not really sure what is happening.

1) DP via USB-C not working.

2) DP via HDMI not working too.

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Level 6

12,854 points

Mar 12, 2023 9:10 AM in response to wsthong

Use HDMI-HDMI direct with a cable 1m or less, it’s better.

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Level 1

4 points

Mar 12, 2023 9:01 PM in response to wsthong

Display Port to USB-C not sending signal if as a stand alone.

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Level 10

82,420 points

Mar 13, 2023 4:43 PM in response to wsthong

I did not refer you to or say anything about windows drives.

I was referring you to the displays One Screen Menu and how to select DisplayPort.

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Level 1

4 points

Mar 13, 2023 5:31 PM in response to den.thed

Thank you for your help.

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Level 10

82,420 points

Mar 13, 2023 5:53 PM in response to wsthong

You’re welcome.

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Mac Mini M2 Display Port 1.2 to Thunderbolt 4 (USB-C)

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