Recent content by HK1234

Thank you! I will do that. Hope someone knows what to do. Really need the second monitor...

Have to try everything.... My Mac is so old that nobody seems to know what to do...:)

I have a problem... I have a Mac Pro "Eight Core" 2.8 (2008). My old graphics card "died" and I bought another one. The new card is AMD Radeon R9 270X, 4096mb. With OS X El Capitan it almost works. One monitor is working and one display port (dvi) is working, but I can´t get a picture from...