So I have Mac mini late 2012

The Apple Mini DisplayPort to VGA Adapter connects a Mac that has a Mini DisplayPort, Thunderbolt port or Thunderbolt 2 port to display that uses a VGA cable. This adapter supports display resolutions up to 1920 x 1200. On the Mac side, the iMac and iMac Pro models have USB-C ports capable of native DisplayPort output, with HDMI, DVI, and VGA supported using adapters. The Mac mini also offers USB-C DisplayPort. Connect an external display to your Mac using this Mini DisplayPort to VGA adapter. This cable is short, only 18 centimeters in length, and is intended to be used with a separate VGA cable (not included). Compatible with some versions of MacBook, MacBook Air, MacBook Pro, iMac, Mac Mini, & Mac Pro desktops and also the 24-inch Apple Cinema Display. The Mini DVI to VGA adapter cable is specially designed for the iMac (Intel Core Duo), MacBook, and 12-inch PowerBook G4, allowing users to connect to an external VGA monitor or projector. Package include:1x VIMVIP Mini DVI to VGA Female Adapter for Macbook.

I used the thunder bolt to via adapter ( genuine apple product ). I had reset the Mac and updated everything and setup as a new Mac, exchanged the ram cards .

it worked fine for 3-4 days, and then the adapter stopped working .

Now every time I the Mac it just shows random lines many of them in the via display . It happened previously when I changed the RAM but the HDMI display seems to work fine .

The firmware update is not for Sierra and I have updated everything that there is to upgrade as a software .

Vga Adaptor For Mac Mini

The screen is being detected, meaning that the computer knows that it is plugged in but I get only a black screen on the VGA compatible monitor .

Some one help please .

Here are system specs .

Mac Mini Hdmi Problems

Mac mini, macOS Sierra (10.12.4), null

Posted on Apr 20, 2017 2:42 PM

Apple's Mini DisplayPort adapters work with Mac models that have a Mini DisplayPort , Thunderbolt port or Thunderbolt 2 port when using Mac OS X Leopard 10.5.6 or later:

Mac Mini Thunderbolt To Hdmi

These adapters don't work with the Apple Thunderbolt 3 (USB-C) to Thunderbolt 2 Adapter, which doesn't support Mini DisplayPort displays.

Usb To Vga For Mac

Apple Mini DisplayPort to DVI Adapter

The Apple Mini DisplayPort to DVI Adapter connects a Mac that has a Mini DisplayPort , Thunderbolt port , or Thunderbolt 2 port to a display that uses a single-link DVI cable.

This adapter supports display resolutions up to 1920 x 1200.

Apple Mini DisplayPort to Dual-Link DVI Adapter

The Apple Mini DisplayPort to Dual-Link DVI Adapter connects a Mac that has a Mini DisplayPort , Thunderbolt port or Thunderbolt 2 port to a display that uses a dual-link DVI cable.

This adapter supports display resolutions up to 2560 x 1600. To use it with a dual-link DVI display such as the 30-inch Apple Cinema HD Display, connect the USB cable from the display to the USB-A port on the adapter, then connect the USB-A cable on the adapter to the USB-A port on your Mac.

Apple Mini DisplayPort to VGA Adapter

The Apple Mini DisplayPort to VGA Adapter connects a Mac that has a Mini DisplayPort , Thunderbolt port or Thunderbolt 2 port to display that uses a VGA cable.

This adapter supports display resolutions up to 1920 x 1200. To achieve resolutions greater than 1600 x 1200, displays with high refresh rates might require that you lower the refresh rate.

Because the VGA connection is analogue instead of digital, HDCP-encrypted content might not play back or might play back at a lower resolution.

Learn more

Mini Displayport To Vga For Mac

DVI cables that provide additional pins for an analogue signal aren't compatible with the fully digital DVI port on either of the DVI adapters.