"QE/Ci could be an issue...It could also be checking kernel version. Which kernel are you running? In Terminal type"

Quartz Extrem, QuartzGL is supported and activated.

system profiler:

"Graphics by NVIDIA:

Chipsatz-Modell: Graphics by NVIDIA
Typ: Monitor
Bus: PCIe
PCIe-Lane-Breite: x16
VRAM (gesamt): 256 MB
Hersteller: NVIDIA (0x10de)
Geräte-ID: 0x0391
Versions-ID: 0x00a1
ROM-Version: NVinject 0.2.1
Monitore:
SyncMaster:
Auflösung: 1680 x 1050 @ 60 Hz
Farbtiefe: 32-Bit Farbe
Core Image: Hardware-unterstützt
Hauptmonitor: Ja
Synchronisierung: Aus
Eingeschaltet: Ja
Quartz Extreme: Unterstützt
Rotation: Unterstützt
QuartzGL: Unterstützt
Monitoranschluss:
Status: Kein Monitor angeschlossen"

kernel info from terminal:
"uname -a
Darwin e181123239.adsl.alicedsl.de 9.2.0 Darwin Kernel Version 9.2.0: Sun Mar 2 00:35:29 SCT 2008; made by ToH:xnu-1228/BUILD/obj/RELEASE_I386 i386
e181123239:~ as$
"
(uh, there´s my DSL connection DSL info,too..)

---

MSI P965 Platinum, BIOS 1.6 , Intel Core Duo E6400,4 GB DDR2 SDDRAM, GeForce 7600 GT Extreme 256 MB,Onboard SATAII controller integrated ICH8R/JMicron JMB 361, 500 GB SATA, SATA DVD-RW DL, IDE DVD, Onboard IEEE 1394 VIA 6308, PS2 Keybd/ USB mouseIDeneb 10.5.7.