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Gigabyte U2442N


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#1
tutu101

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Gigabyte U2442N Ultrabook

Specs are:

Intel Core i5-3210M CPU @ 2.50GHz (Ivy Bridge)
Intel HM77
Intel HD Graphics 4000 (0x8086 (0x1458))
Realtek ALC269
nVidia GeForce 640M
Intel Centrino Wireless-N 2230

BIOS: U2442.F0A

Working: LAN (Realtek) using Lnx2Mac RTL
Not working: Intel and Nvidia, Touchpad

So far I have created a USB install using ###### and Mountain Lion (10.8.0)

I have installed to an external USB drive and then updated to 10.8.1

I have used Multi-beast to make the HDD bootable and also created a DSDT.aml

The issue I have is that if I boot normally, the boot hangs on "nVidia GeForce GT 640M 0MB NVe7 [10de:0fd2] :: PciRoot (0x1)/PC1(0x1,0x0)/PC1(0x0x0x0)"

There is no option to disable the nvidia GPU in the BIOS.

Has anyone gotten any idea how to disable it using DSDT.aml? Or could I enable it somehow to get it to work? I would prefer that.

If I boot with -x -v GraphicsEnabler=No I can boot into X.

If I boot with -v GraphicsEnabler=No it then hangs on "NTFS volume name...". I tried deleting the nvidia KEXT but now it wont boot any further anyway.

I haven't tried deleting the Intel ones, presumably I need those.

#2
tutu101

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The issue that I am getting without safe mode is AppleIntelCPUPowerManagement timing out

#3
iFIRE

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use NULCPUPowerManegement.kext

#4
tutu101

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Thing is, NullCPU is installed! I just tried removing the NV* Kext's and it boots without safe mode.

I don't have HD4000 working. I still get the message about AppleCPUIntel timing out.

I'm guessing I need to inject ig-platform-id but I can't find the specific thread about it.

#5
iFIRE

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http://www.insanelym...l=&fromsearch=1


HD 4000 this


#6
tutu101

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Thanks. I have HD4000 working, HDMI and VGA out. But the internal laptop display is switched off. I will try some more efi strings.

#7
tutu101

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Is there anyway to get optimus working?

#8
venu2062

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I am in the same place as you are with u2442n. I am trying to get it out of safe mode. It boots in safe mode and everything seems to work except touchpad and wifi.

I got an external wifi adapter and have wifi working.

I am wondering if a dsdt can help with booting in regular mode.

Can you provide yours?

I am using Clover bootloader in UEFI mode.

#9
dj_fle

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Hey, guys! Any news on this topic? I'm really interested in buying a U2442 and would love to know if you can at least get the built-in display up and running...

Have a great day!





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