This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

This thread was archived. Please ask a new question if you need help.

Open Firefox on 2 monitors at default

tomvdheuvel
tomvdheuvel
more options

I have a situation where i have 2 monitors above each other and at start of firefox, firefox needs to open full-screen from the top monitor to the bottom monitor. The situation is in a restaurant and we need to see the tickets coming in from the top monitor going down to the second. It used to work with Ultramon and a script, but i think due to an update this script does not work anymore.

Can anyone help me?

I have a situation where i have 2 monitors above each other and at start of firefox, firefox needs to open full-screen from the top monitor to the bottom monitor. The situation is in a restaurant and we need to see the tickets coming in from the top monitor going down to the second. It used to work with Ultramon and a script, but i think due to an update this script does not work anymore. Can anyone help me?

All Replies (1)

Eldar Value
Eldar Value
more options

create a shortcut for firefox with those parameters: firefox.exe -no-remote -height 2105 -width 1080 -new-window about:home

when on -height, put your total monitors high, and if you're on windows operating system, subtract the taskbar height (usually 55)

In example, if both monitors are on 1920x1080 resolution (width=1920,height=1080) the width should stay 1920 (because its configurated as top-bottom monitors) and height should be 1080*2-55, so 2105. if firefox shows only on the bottom monitor, drag the window to the top monitor and maximaze the window and close firefox, opening should open fine next times.

Good luck