GTX 550 TI did not work after install web driver

[psyche08]

System

Intel i3 2100

Gigabyte GA-H67N-USB3-B3 

Nvidia GTX 550 Ti (3 port, HDMI, VGA and DVI, and my monitor attached with HDMI)

OS X 10.11.6

Clover v2.3 r3423 boot args:-v -dart=0 -nvda_drv=1 -kext-dev-mode=1  inject:nvidia

SMBIOS:Mac Pro 3,1

 

Problem

After I install web driver(346.03.15f02), my monitor reports no signal when booting and goes to power saving mode,  but I can find this pc in network and connect it with screen sharing. 

i am looking for clues here as to what i can do next...

 

I would appreciate any help I can get.

 

[Allan]

Try this:

<key>Graphics</key>
<dict>
<key>NVidia</key>
<false/>

And "kext-dev-mode=1" is not necessary for El Capitan.

[psyche08]

Try this:

<key>Graphics</key>
<dict>
<key>NVidia</key>
<false/>

And "kext-dev-mode=1" is not necessary for El Capitan.

It does not work, the system will reboot when it try to load driver.