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Solved DVI Output (NVCAP) on 8400 GS


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#1
super_engine

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Hi to all

After some tries i have solved the problem for the output on the DVI (digital) on the 8400 GS

In the first time i tried only with VGA (analog) but the quality of images was absolutely not good.

So after some research on this forum i have tried to activate both outputs (DVI VGA) and now the DVI output work very fine.

Attached the modified NVINJECT.KEXT for activate both outputs (DVI VGA)

Change, repair the permissions (CHMOD CHOWN), reset extensions.mkext (KEXTCACHE -K) and reboot

Good Luck

Attached Files



#2
Nikelonedon

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PLease!

I have the same card (XFX 8400 GS) but i cant get runnig the DVI output

I use NVKush instead of NVinject

Anyway..

Can you please explainme line by line what exactly did you do?

I have no idea how to do the permissions and clear cache so

Thanks in advanced

#3
super_engine

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Nikelonedon follow this items:
1. Open extensions folder and copy (or replace) NVINJECT.KEXT
1. Open terminal (in utilities menu)
2. Type:
sudo -s and digit your admin password
cd ..
cd ..
cd ..
cd system
cd library
cd extensions
chmod -R 755 nvinject.kext
chown -R root:wheel nvinject.kext
cd ..
rm extensions.mkext
kextcache -k extensions
reboot
3. Wait the system reboot and pray

Good luck

#4
oldscchool

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yeah ... i must try this!

#5
rocccky

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works works works !!! ... veeeeerry thanks for that !

#6
Onixs

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Hi..

tried and tested on my 8600GT, works great!

I wonder how you were able to get the NVCAP = BAAAAAAAAQACAAAAAAAAAA==

Searching thru the net, i cant seem to find a match for it.

#7
Nikelonedon

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Doesnt work for me.

When i reboot, ir freeze at the apple logo.

Not shure if it's the wrong NVCAP number or something on the procedure.


I did the exact things that you

Maybe some ideas about the NVCAP number (XFX 8400GS 256mb)

#8
super_engine

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Nikelonedon

During the boot start with F8 and -v option (at the prompt)
So you can see the sequential load of the kexts (text mode)
And report me when the system go in crash

#9
Bussunda

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Super_Engine,

You save my life, man.

Thank You!!!

#10
reverendd

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Did you get the card using only the DVI output. I've got an 8400GS 512MB and I've got it working on the VGA alone or with dual monitors on the VGA & DVI. But I can't get the thing to work properly with just a DVI output. It will work on a low res setting, but when I bump it up, I get a blue screen.

I'm using NVinject.0.2.1 and an NVCAP of 04000000 00000300 04000000 00000007 00000000.

Also, this is a small but annoying thing. The grid view is a little choppy when opening and closing. Do you see that as well? It's a small thing but it bugs me.

#11
super_engine

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i want help you

but i don't understand some things

1-- when you connect only the DVI output your system works well only until an certain resolution ? (for istance works well until 1280x800 and over you have a blue screen ??)
2-- QE and CI are enabled ??

wait your answer

#12
oldscchool

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works great ... but i have problems. after running a fullscreenapp it didn't switch back to normal resolution. only get a blue screen. ???!

#13
haemplz

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Works also with Gigabyte 8400GS!

THX !!!

#14
bamboontu

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It worked for my XFX!
Great thanx man!

#15
zim2dive

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I just tried this kect on my PNY GeForce 8400 GS VCG8400SXEB 256MB PCIe
http://www.newegg.co...-_-NA-_-NA-_-NA

I did a plain install of iPC10.5.6 and then installed this. I get 1920x1080 screen and accelerated CI/QE but anytime I try to change resolutions, I get hit by blue screen and unlike a normal bad resolution which waits for a user to confirm, or switches back.. I get stuck and have to reboot and remove. Is this normal?

Its closer than I was before, that is for sure (my card seems really cranky)

EDIT: so this is the 1st/only kext where I can get into a borked state, remove it (-s mode) and re-install repeatedly and still get _some_ positive effect (most are not repeatable for me).

so I only get 1280x768 (I think) resolution (with HW accel) and still can't change resolution. Ideas?

thanks,
Mike

#16
focusedfreedom

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I've got this same card (PNY from NewEgg.com) and DVI works fine for me unless the Hackintosh goes to sleep. When it wakes from sleep my DVI connected monitor won't come up. If connected via VGA it does however.

I have also seen the blue screen if I change resolutions to something that I shouldn't. Sometimes I'll get the message about waiting 15 seconds and then it will revert back. But sometimes it doesn't display that and it's what hoses me up. If connected via VGA I don't seem to have this issue with blue screens.

Thanks.

-- Jeff

#17
zim2dive

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I've got this same card (PNY from NewEgg.com) and DVI works fine for me unless the Hackintosh goes to sleep. When it wakes from sleep my DVI connected monitor won't come up. If connected via VGA it does however.

I have also seen the blue screen if I change resolutions to something that I shouldn't. Sometimes I'll get the message about waiting 15 seconds and then it will revert back. But sometimes it doesn't display that and it's what hoses me up. If connected via VGA I don't seem to have this issue with blue screens.

Thanks.

-- Jeff


Can you switch resolutions?

This is the cloest kext I have found so far.. but when I switch resolutions my screen goes blue.. and never comes back. I do not have VGA connected, I am using DVI.

When I reinstall I typically get 1280x768 (I think), and its accelerated.. but I can't switch to my desired 1920x1080 :wacko:

EDIT: did you edit any NVCAPs in the other kexts? or just install this and voila?

#18
humru

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I am using F3 SC notebook, my graphic card is "8400M G" (not GS or GT). I am having problems while having video output . Has anybody using this card found any solution ?

#19
turanksu

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Does anyone know how to enable the tv-out in Geforce 8400GS? I've already enabled the dvi out in this topic, but the tv-out is so hard....

Thank you very much!!

#20
Donw35

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This worked for getting my 8600gt to work with the DVI but I lost QI and QE...





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