Created attachment 117536 [details] How slides appear in slideshow (presentation) mode in Impress In the latest version of Libreoffice (and the previous version as well), when an Impress presentation is started, the slideshow mode does not display properly. The Windows taskbar still shows (as if the fullscreen slideshow is behind the taskbar) and the taskbar can still be access and used during the slideshow. Moreover, white lines appear on the slide: some run vertically on the left and right sides of the slide (sometimes), and some appear around the perimeter of the slide. [Screenshot attached] I've turned off the "Use hardware acceleration" option, but that did not happen. I've also tried switching the page size to 16:9 ratio, which helped remove the vertical white lines, but the taskbar still appears. I'm running this on an Alienware gaming laptop (M14X) with dual graphics cards (Intel HD Graphics 3000 and NVIDIA GeForce GT555m).
hi Josh. are you on a single or on a dual monitor setup? please also tell the current screen pixel resolution. which is your exact Windows version? 7 or 8.1? 32 or 64 bit? are your issue related or similar to this other bug report? Bug 40534 - slide tearing in LARGE screens with hardware acceleration enabled
Hi Tommy27, thanks for the assistance! To answer your questions: First, I'm on a laptop, native resolution of 1366x768 (so single screen only). Also, I've tried this as well on a monitor (from HDMI) with a native resolution 1920x1080 and the same error occurred. For what it's worth, I've been using LO for years on this laptop and only recently began encountering this problem. Second, the problem initially was on a Windows 7 64-bit build, but I just last night upgraded to Windows 10 64-bit and the same error persisted. I read through the other bug you linked to, and I'm not sure this is the same error, although some of the display wonkiness seems to be similar.
thanks for additional infos. I suggest to upgrade to LibO 4.4.5.2 (released yesterday) and to temporarily reset the user profile (see instructions here: https://wiki.documentfoundation.org/UserProfile ) to see if the issue still persist.
Thanks for the further help, Tommy27. I updated and reset my user profile, but still have the same error when trying to view an Impress file in Slideshow presentation format. Weirdly, after updating, the "Use hardware acceleration" option was checked and the white lines were no longer visible, although the taskbar was still overlapping the bottom of the presentation. When I unchecked the hardware acceleration option, the white lines reappeared. Odd!
I don't reproduce your issues with LibO 4.4.5.1 under Win7x64 so there are 2 different problems. 1- Windows taskbar still shown during slideshow mode. let's keep the current report about this problem (edited summary notes) 2- white lines during presentation please open a separate report about this one, along with a screenshot with arrows pointing directly to those lines. and step by step instructions about the setting and configurations you need to reproduce it. remember the policy here is to report one single problem at once.
*** This bug has been marked as a duplicate of bug 83660 ***