NotHereToPlayGames Posted April 25, 2021 Share Posted April 25, 2021 Does anybody know of a way in Win XP to run a program in Compatibility Mode but as 16-bit instead of 8-bit (256 colors)? Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted April 26, 2021 Author Share Posted April 26, 2021 Hmm, disregard. Doesn't look like that will get me where I need to be anyway. Here's what I was hoping and maybe somebody can still offer a suggestion or two. When I open VirtualBox (v4.3.28) on a two-monitor computer, if I open in Compatibility Mode and run in 256 colors, Guest Display #1 will be in 256 colors but Guest Display #2 will be in 32-bit. If I set my host displays to 16-bit, Guest Display #1 and Guest Display #2 are still in 32-bit. I can manually set Guest Display #1 and Guest Display #2 to 16-bit, but only Display #1 can have a resolution greater than X x Y (forgot the actual resolution). Display #2 is limited to roughly only half the width of the actual monitor. Link to comment Share on other sites More sharing options...
RainyShadow Posted April 26, 2021 Share Posted April 26, 2021 (edited) Just leave that unticked and manually switch your desktop to a 16bit mode. Which program is this about? nvm. posted at te same time Why do you run Virtualbox in compatibility mode? Maybe try to use a generic monitor driver for the 2nd display? Edited April 26, 2021 by RainyShadow Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted April 26, 2021 Author Share Posted April 26, 2021 We must have both been typing at the same time. I'm trying to get VirtualBox to autmatically run two screens in 16-bit color but trying to keep a resolution of 1835 x 975 on both of the Guest OS screens. Link to comment Share on other sites More sharing options...
RainyShadow Posted April 26, 2021 Share Posted April 26, 2021 (edited) Did you try adding a custom resolution with VBoxManage.exe? Some hints here - https://superuser.com/questions/443445/how-can-i-get-virtualbox-to-run-at-1366x768 How did you even get two displays in a single guest? Or these are separate VMs? Edited April 26, 2021 by RainyShadow 2 Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted April 26, 2021 Author Share Posted April 26, 2021 My Host is XP x64 with 5 monitors. My Guest is Win 7 x86 with 2 monitors (VirtualBox allows you one monitor per Host monitor). But when I drop my Guests down to 16-bit, my primary can be windowed at near-full resolution (I keep a column of Host OS desktop icons visible), so Guest Display #1 is at 1835 x 975. But my Guest Display #2 maxes out at 1174 x 975. Link to comment Share on other sites More sharing options...
RainyShadow Posted April 26, 2021 Share Posted April 26, 2021 Try increasing the VRAM in VM settings. Also, my suggestions above, if this isn't enough. Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted April 26, 2021 Author Share Posted April 26, 2021 VRAM was already max'd out. The superuser article did the trick! Much appreciated! Link to comment Share on other sites More sharing options...
NotHereToPlayGames Posted April 26, 2021 Author Share Posted April 26, 2021 33 minutes ago, RainyShadow said: Why do you run Virtualbox in compatibility mode? I don't under normal circumstances. I work from home and I have a new customer that runs me through a VDI (Virtual Desktop Infrastructure) and runs a Flash-Locked version of IE11. It's a lot of graphics and there's a lot of "lag" unless I drop down to 16-bit graphics. Much appreciated for your assistance. Link to comment Share on other sites More sharing options...
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