User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 after maximized the browser the menu seems to be disappeared: each menu entry appears as you move the mouse where it should be, over the title bar. It seems a mix of "maximization" and "full-screen". Reproducible: Always Steps to Reproduce: 1.maximize the browser window no theme; dual-head system with Matrox P650

(In reply to comment #0) > User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 > Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7) Gecko/20040614 Firefox/0.9 > > after maximized the browser the menu seems to be disappeared: each menu entry > appears as you move the mouse where it should be, over the title bar. > It seems a mix of "maximization" and "full-screen". > > Reproducible: Always > Steps to Reproduce: > 1.maximize the browser window > > > > > no theme; dual-head system with Matrox P650 I'm having the same problem too on my dual-head system (Matrox G450). It disappears when i turn off dual-head. (Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.5) Gecko/20041107 Firefox/1.0)

I have made this screenshot to confirm that on my system, i am able to observe the same behaviour as decribed in this bug file, and in some other bug files I have found in the list of known bugs. I have not tested if the problem ceases to exist when turning the dual display functionality off, but I can also not remember to have seen this on single display configurations.

Comment on attachment 181125 [details] This is a screenshot of the Firefox Window in maximized state, on my DualHead Matrox Display Adapter As can be seen in the image, the menu bar is overlapping the window's title bar, which looks a bit weird. Also, the status bar seems to have been incorrectly repainted.

Same problem is described in bug files: - 120314 - 126730 - 192000 - 261247 - 269493

The top menus are also overlapping (File, Edit View....)

yep for me the same problem on matrox g450 dualhead. gys

Same problem with the Matrox "DualHead2Go" running in 2048x768 mode (Windows XP SP2).

All the related bugs have been resolved as either fixed (as in bug 126730) or as inactive for many years and unable to be duplicated. This can probably be closed -- if someone has the problem again with this specific monitor, it could be reopened.

Resolved per whiteboard