Eyefinity not detecting 3rd Display

[KONNR]

Hi guys i have the Radeon HD 5770 graphics card and i am currently trying to get 3 monitors running.
However in the catylist control centre it only comes up with 2 monitors.

I am on windows 7
I have the latest Driver
The monitors are linked up with 2 DVI`s and 1 Display-Port to DVI.
(http://www.amazon.com/gp/product/B002ISVI3U/ref=s9_simh_se_p23_d0_i2?pf_rd_m=ATVPDKIKX0DER&pf_rd_s=auto-no-results-center-1&pf_rd_r=1EGBXEC88EWJ33PZAKMN&pf_rd_t=301&pf_rd_p=1263465782&pf_rd_i=displayportbizlink)

I honestly cannot figure out how to get it working. I have had the screens for nearly a year now and this is the second cable that i have bought and they are very pricey.
Any help would be much apreciated.

Thanks.

[suiken_2mieu]

The adapter may not be getting enough power.

[Legion]

hi there,,

i had the same problem ..are you sure that its an active display port adapter??

turns out my first one wasnt.. had to buy a new one.. and hey presto.. up and running in about 3 mins

[Dragontorc]

i had a display port to vga adapter, it worked then failed, is your adapter working?, try removing the dvi and just use the d/p and try on different moitors.

[Dyre Straits]

I have had no luck with ACCELL adapters on either my HD 5770 or on my newer HD 6870. I tried using two of those very same adapters you link to in the first post.

I won't ever bother with ACCELL again. On the HD 5770, they finally replied to my email request for support after over a week and told me that they had no solution for the problem and to return the adapter. After selling the HD 5770, I tried another one on the HD 6870. It, also, didn't work. I sent another email to ACCELL over a month ago and they still haven't bothered to respond.

I AM, however, able to set up a 3x1 Eyefinity using a Monster-brand DP->VGA adapter. These cost about $50 USD. Many of us on this forum are using similar setups.

[conter85]

You need one of the Dongles on this list:

http://support.amd.com/us/eyefinity/Pages/eyefinity-dongles.aspx

or from XFX Club3d or Powercolor ...

The new Dongles show´s like a normal Adapter , because they have´t a Powercable to connect ,they get they power from USB

But Normal Adapters didn´t work for Eyefinity you must Pay ~25-30$ or it´s a normal Adapter !!!! so Easy to Check

I don´t understand why Everyday People have the same Question about Displayport-Adapters

Maybe i make a Thread with all Information to stop that sh..

AND:
DONT BUY THAT ASIAN OR CHINA SHIT THEY WILL WORK 5 MIN than crashed and work fine 5 min and crash and and and - this is Bullsh... and you can burn your $ at Home easyly

I Have all Displayport-Adapters Tested (around 50) and you can trust me when i say this (you don´t must write me PN´s but you can ;-) )