Why is my second monitor not recognized?

Gu
- in Asus
1

My question would be what could be the problem with my second monitor not being recognized. My main monitor is connected to a Displayport cable, this is recognized. However, my 2nd monitor which is connected with HDMI is not recognized.

I've already tried the following:

(Windows and drivers are also up to date) - New graphics card driver installed - Cable changed - Monitor connected to laptop, where it is recognized - other connection tried (not HDMI but DVI)

PC components:

CPU: AMD FX-8350 Vishera 32nm Technology

GPU: Amd radeon r9 290x

RAM: 32GB

Mainboard: ASUSTeK COMPUTER INC. CROSSHAIR V FORMULA-Z (Socket 942)

OS: Windows 10 Pro 64-bit

Monitor: 2x PHILIPS monitor 272E2FA

El

I also had the problem once, I always had to turn off the second screen - and plug it in again as soon as the PC started up. The screen was never recognized at startup. Then I updated my GraKa drivers and then it went…