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I want to use my external monitor's resolution fully (2560x1440) with a USB display adapter for my laptop. I have one with Windows drivers, are there any adapter with linux / Ubuntu drivers that can give me full resolution?

I am thinking of something like my current USB to DisplayPort adapter.

HDMI only gives 1920x1200 (am using arandr to achieve this easily), and my laptop haven't got displayport. But I know that the graphic card can deliver 2560x1440 digitally or through an USB adapter.

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  • The question is a year old, but the topic may still be of interest (March 2014): Official support from DisplayLink (one of the chipset manufacturers) is still disappointing (to say the least, see displaylinklinuxdriver.wordpress.com ).<br> Still the posting below from one device manufacturer summarizes current progress and deficiencies of the open source hackers' efforts. plugable.com/2014/03/06/… HTH
    – user261906
    Mar 25, 2014 at 12:43
  • Ubuntu 14.04 supports it. Jul 27, 2014 at 4:29
  • @ThomasLindvig Can you get 2560x1440 now with 14.04?
    – Andrew
    Jun 26, 2015 at 17:46
  • related askubuntu.com/q/40031/79266
    – Tim Abell
    May 10, 2016 at 15:45

1 Answer 1

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Right now, on Ubuntu 14.04, my Accell DisplayLink compatible adapter just works. It didn't work on 13.10.

Specs of this adapter: https://cdn.shopify.com/s/files/1/0396/6837/files/J130B-001B_manual.pdf

Copied from the manual:

This adapter features: -Supports up to 1920x1200 or 2048x1152 (wide) – 1920x1080 (VGA) -Self-powered design -Fully USB 2.0 compliant -24-bit true color

System requirements: USB 2.0 port, 40MB hard drive space, CD-ROM, 2GHz or Dual-Core processor minimum for Windows 7, Vista and Mac. Windows® 7 (64/32bit), Windows Vista (64/32bit), Windows XP (32bit) Intel-based Apple Mac running client versions of Snow Leopard 10.6, Leopard 10.5, Tiger 10.4

It seems a little slow on effects, I think that is because of being USB 2, and no acceleration? Anyway I got rid of the effects and works OK

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  • Apparently that page is a figment of your imagination :)
    – lorefnon
    May 3, 2022 at 13:22
  • LOL, seems like it's no longer available... Updating with the manual Aug 9, 2022 at 21:38

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