I cannot eyefinity 3 Monitor (Dell 22'')

[Munir]

I cannot eyefinity 3 Monitor (Dell 22'')
AMD Radeon HD 6570 Model Graphich Card
Graphich Card have Port3: 1.VGA - 2. DVI - 3.HDMI

1. Monitor connected VGA -----to------VGA
2. Monitor connected HDMI -----to------HDMI
3. Monitor connected DVI -----to------HDMI (cable)

3 Monitor eyefinity Working good to Linux Mint 17

But Windows 10 Only working 2 Monitor ( exchange display to other Monitor)

how to solve the problem.

I using win10 updated driver.