I decided to upgrade my HP a1310n Media Center to run dual monitors and installed an ASUS EN210 512 video card. All was well. Then I thought I'd add a third monitor and installed an ATI Rage VAR128P-32P. After some tinkering with settings all is well, all 3 monitors are running. The problem is now with my Diamond TV Wonder 650 PCI card. Media Center gives me the Tuner Not Installed message. I have tried everything I have read on this board and recall there being a trick to the first installation when I upgraded the tuner some time ago but cannot recall that trick.
This is a low-budget system using old monitors from work, etc. I'm just trying to keep the thing running as a home computer.
Everything worked fine before the video card additions.