image

Displayport Alternate Mode

Do Acer laptops support Displayport Alternate Mode through the USB 3.1 port?

 

Mine does not seem to work. Windows 10 gives me the below error message when I plug in the Amazon.com top-ranked Cable Matters USB C to HDMI adapter:

 

"Try improving the usb connection. Displayport connection might not work. Try using a different cable"

 

If I click on the notification it guides me to the following help page from Microsoft:

https://support.microsoft.com/en-us/help/4012609/windows-10-fix-usb-c-problems#connectionlimited

 

I have an Acer F5 - 573G - 59V4

FAQ & Answers

  • RelEngOzRelEngOz Member Posts: 1

    Hi,

     

    I have the same model with the same problem.

    In the manual it states this model has a port type USB 3.1 Type-C, Gen 1

     

    I bought a type C adaptor with an HDMI port hoping to connect a 2nd display via displayport mode of the PC Type C connector.

    This doesn't work and Win 10 displays the error you quoted.

     

    It turns out that the Gen 1 spec is virtually a USB 3.0 in all respects and can never use the displayport mode.

    So not all Type-C connectors are equal - we got the lowest spec on the Acer F5.

     

    This article explains most things about Type-C and USB 3.1

    http://www.tomshardware.com/news/usb-31-usb-type-c-refresher,29933.html

     

    The Acer type C port isn't even labelled correctly.

    USB 3.1 Gen 1 should have SS (Super Speed) above the USB Trident symbol. 

    USB 3.1 Gen 2 should have SS 10 (Super Speed 10 Gbps)

    One with Display port capability should show a "P" symbol.

     

    Our Acer F5 just has the original USB symbol (Trident) - nothing more.

     

    Bummer Acer.

     

    RelEngOz

  • slart1slart1 Member Posts: 1 New User
    Is it possible to get around this by using a split cable with HDMI for image and USB C for power on the PC end?
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