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Today decided to update from Win8 Pro to Win8.1.
Everything was fine with enabled 3 monitors (Extended mode, not Eyefinity) at the same time. But after update can't enable 3d monitor, only 2 could be enabled at the same time.
Did current things before write question here:
- Remove all drivers, reboots, re-installs
- Different cable input's and orders of enabling
- Tried to enable each monitor from Catalyst and Windows Screen Resolution
Spec's:
- Windows 8.1 Pro
- XFX HD7970
- 3 of LG E2442
Cables:
- 2 DVI
- 1 HDMI
Googled for many time and found one of possible solution is to buy ACTIVE mini DisplayPort to DVI/HDMI, but maybe there are some another more simple solutions?
Jeckerson
Posted 2013-10-20T13:36:36.430
Reputation: 161
This is taken from AMD Website: Use of 3 or more displays with AMD Eyefinity technology requires a DisplayPort-capable panel or an AMD Eyefinity validated dongle. See http://www.amd.com/EyefinityDongles for a list of validated DisplayPort dongles. Ref: http://www.amd.com/us/products/desktop/graphics/7000/7970/Pages/radeon-7970.aspx
Have you got the new Windows 8.1 Driver?
Yes, I installed last driver from ati.com and even tried beta driver - same problem... – Jeckerson – 2013-10-20T13:55:40.983
Does Windows Screen Resolution "Detect" button detect a 3rd monitor? Does Catalyst detects existence of the 3rd monitor? (and just not displaying anything) – Darius – 2013-10-20T14:00:14.883
Yes it does - http://i.imgur.com/hiR9Jdi.png
– Jeckerson – 2013-10-20T14:07:19.8631I'm having a similar problem, except now after 8.1 upgrade my 3rd monitor running on display port doesn't show in windows at all. – Wallace Breza – 2013-10-22T04:43:14.497