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Roll back to 10.5.4 kext?


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#1
bigredgpk

bigredgpk

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Hi Everyone,
I upgraded to 10.5.5 from 10.5.2 using the combo installer and the upgrade was successful from the OS standpoint, but QE is no longer working on my NVidia 8400 GS card. Resolution is fine, and I don't use more then one output., but I have no QE anymore. I tried following direction on other forums and threads but I seem to be getting no where fast and I'm kinda worried about digging myself a bigger hole.

Can anyone reply or send me step by step instructions on how to get QE working on my card? Here's the info from the System Profiler

Graphics by NVIDIA:

  Chipset Model:	Graphics by NVIDIA
  Type:	Display
  Bus:	PCIe
  PCIe Lane Width:	x16
  VRAM (Total):	256 MB
  Vendor:	NVIDIA (0x10de)
  Device ID:	0x0422
  Revision ID:	0x00a1
  ROM Revision:	NVinject 0.2.1
  Displays:
DELL 1704FPT:
  Resolution:	1280 x 1024 @ 60 Hz
  Depth:	32-bit Color
  Core Image:	Software
  Main Display:	Yes
  Mirror:	Off
  Online:	Yes
  Quartz Extreme:	Not Supported
Display Connector:
  Status:	No display connected

Thanks, Tim

#2
ArGoS83

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I had the same problem, luckyly I had the kext files backed up.
Get the kexts you need. My card is pretty similar to yours, they might work, if you want I can post my kexts.

So I just replaced the GeForce* and NV* files in /System/Library/Extensions/ with the backup vide kext I had, then run:

chmod -R 755 GeForce* NV*
chown -R root:wheel GeForce* NV*

And then reboot with -v -f



Seba
-------
Processor Name: Intel Core 2 Duo
Processor Speed: 2 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 2 MB
Memory: 3 GB


Unknown nVidia:

Chipset Model: Unknown nVidia
Type: Display
Bus: PCIe
PCIe Lane Width: x16
VRAM (Total): 512 MB
Vendor: NVIDIA (0x10de)
Device ID: 0x0422
Revision ID: 0x00a1
ROM Revision: NVinjectGo 0.2.0
Displays:
L1753S:
Resolution: 1280 x 1024 @ 75 Hz
Depth: 32-bit Color
Core Image: Hardware Accelerated
Main Display: Yes
Mirror: Off
Online: Yes
Quartz Extreme: Supported
Rotation: Supported
Display Connector:
Status: No display connected





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