Display not working after updating from Sierra to Mojave 10.14.6

Question

Level 1

8 points

Display not working after updating from Sierra to Mojave 10.14.6

I've recently just updated my MacPro mid-2012 (yes metal-supported) from Sierra (to High Sierra) then to Mojave. I needed to update for software updates that were not supported on OS Sierra

While in Sierra I had 2 of the same Acer monitors connected one via HDMI the other VGA-DVI and a Dell television/monitor via Displayport. All working just fine. While updating to High Sierra, all three monitors were detected and working as expected. HOWEVER now on Mojave the HDMI to one of the Acer monitors and Displayport to the Dell TV still works, BUT the Acer monitor connected via VGA-DVI is no longer detected. If I switch the connection from one Acer monitor to the next it works just fine as well. It's simply the DVI not detecting what's plugged in.

Is there a fix to this??? Is there a way to force the mac to detect the DVI port, or a way to check if it realizes somethings plugged in?

Any help would be greatly appreciated

Posted on Sep 11, 2021 1:15 PM

Reply

Answer 1

Top-ranking reply

BDAqua

Level 10

245,165 points

Sep 11, 2021 1:23 PM in response to ischaid

Hmmm, in System Report>Hardware>Graphics & Displays, what is listed?

Radeon Pro 555X:

Chipset Model: Radeon Pro 555X

Type: GPU

Bus: PCIe

PCIe Lane Width: x8

VRAM (Total): 2 GB

Vendor: AMD (0x1002)

Device ID: 0x67ef

Revision ID: 0x00e3

ROM Revision: 113-C981AA-042

VBIOS Version: 113-C9819A148P-003

EFI Driver Version: 01.B1.042

Metal: Supported, feature set macOS GPUFamily2 v1

Displays:

iMac:

Display Type: Built-In Retina LCD

Resolution: 4096 x 2304 Retina

Framebuffer Depth: 30-Bit Color (ARGB2101010)

Main Display: Yes

Mirror: Off

Online: Yes

Rotation: Supported

Automatically Adjust Brightness: No

Then in PCI what is listed?

pci1987,5012:

Type: NVM Express Controller

Driver Installed: Yes

Tunnel Compatible: Yes

Pause Compatible: Yes

MSI: Yes

Bus: PCI

Slot: Thunderbolt@11,0,0

Vendor ID: 0x1987

Device ID: 0x5012

Subsystem Vendor ID: 0x1987

Subsystem ID: 0x5012

Revision ID: 0x0001

Link Width: x4

Link Speed: 8.0 GT/s

pci1987,5012:

Type: NVM Express Controller

Driver Installed: Yes

Tunnel Compatible: Yes

Pause Compatible: Yes

MSI: Yes

Bus: PCI

Slot: Thunderbolt@135,0,0

Vendor ID: 0x1987

Device ID: 0x5012

Subsystem Vendor ID: 0x1987

Subsystem ID: 0x5012

Revision ID: 0x0001

Link Width: x4

Link Speed: 8.0 GT/s

Reply

Answer 2

ischaid Author

Level 1

8 points

Sep 12, 2021 2:16 PM in response to BDAqua

Hi there, thanks for the quick reply!

Here's the report on Graphics/Displays -

NVIDIA GeForce GTX 680:

Chipset Model: NVIDIA GeForce GTX 680

Type: GPU

Bus: PCIe

Slot: Slot-1

PCIe Lane Width: x16

VRAM (Total): 2 GB

Vendor: NVIDIA (0x10de)

Device ID: 0x1180

Revision ID: 0x00a2

ROM Revision: 3731

Metal: Supported, feature set macOS GPUFamily1 v4

Displays:

SA230:

Resolution: 1920 x 1080 (1080p FHD - Full High Definition)

UI Looks like: 1920 x 1080 @ 60 Hz

Framebuffer Depth: 24-Bit Color (ARGB8888)

Display Serial Number: T91***420

Main Display: Yes

Mirror: Off

Online: Yes

Rotation: Supported

Automatically Adjust Brightness: No

DELL P4317Q:

Resolution: 3840 x 2160 (2160p 4K UHD - Ultra High Definition)

UI Looks like: 3840 x 2160 @ 60 Hz

Framebuffer Depth: 24-Bit Color (ARGB8888)

Display Serial Number: J0***1XL

Mirror: Off

Online: Yes

Rotation: Supported

Automatically Adjust Brightness: No

Connection Type: DisplayPort

Television: Yes

Then here is the PCI

NVIDIA GeForce GTX 680:

Name: NVDA,Display-D

Type: Display Controller

Driver Installed: Yes

MSI: Yes

Bus: PCI

Slot: Slot-1

Vendor ID: 0x10de

Device ID: 0x1180

Subsystem Vendor ID: 0x3842

Subsystem ID: 0x0010

ROM Revision: 3731

Revision ID: 0x00a2

Link Width: x16

Link Speed: 5.0 GT/s

NVIDIA GeForce GTX 680:

Name: pci10de,e0a

Type: NVDA,Parent

Driver Installed: No

MSI: No

Bus: PCI

Slot: Slot-1

Vendor ID: 0x10de

Device ID: 0x0e0a

Subsystem Vendor ID: 0x3842

Subsystem ID: 0x0969

ROM Revision: 3731

Revision ID: 0x00a1

Link Width: x16

Link Speed: 5.0 GT/s

PXS4:

Type: USB eXtensible Host Controller

Driver Installed: Yes

MSI: Yes

Bus: PCI

Slot: Slot-4

Vendor ID: 0x1b73

Device ID: 0x1100

Subsystem Vendor ID: 0x16b8

Subsystem ID: 0x5603

Revision ID: 0x0010

Link Width: x1

Link Speed: 5.0 GT/s

Universal Audio UAD-2 Octo:

Name: Universal Audio UAD-2 Octo

Type: Other Multimedia

Driver Installed: Yes

MSI: No

Bus: PCI

Slot: Slot-3

Vendor ID: 0x1a00

Device ID: 0x0002

Subsystem Vendor ID: 0x1a00

Subsystem ID: 0x0005

Revision ID: 0x0000

Link Width: x1

Link Speed: 2.5 GT/s

[Personal Information Edited by Moderator]

Reply

Answer 3

BDAqua

Level 10

245,165 points

Sep 12, 2021 3:21 PM in response to ischaid

Thanks, I was hoping for some clues, but I don't see any, hopefully we get other help in here. :)

Reply

Answer 4

ischaid Author

Level 1

8 points

Sep 12, 2021 4:56 PM in response to BDAqua

All good, it seems like when Mojave came out a bunch of people had issues with displays, yet there still aren't a ton of concrete solutions out there. Any thoughts would help people, thanks!

Reply

Display not working after updating from Sierra to Mojave 10.14.6

Similar questions