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Radeon 5450 no wake up from sleep?

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Joined
Mar 29, 2012
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Motherboard
Gigabyte Z68MA
CPU
i3-2105
Graphics
8400GS
Mobile Phone
  1. iOS
I finally got my Asus ATI Radeon 5450 graphics card to work in ML by adding my device ID (0x68f91002) to AMDRadeonAccelerator.kext and Ati5000Controller.kext...everything is working, full qe/ci, full res, boot & shutdown works.

When i put the computer to sleep, i can hit button on keyboard or click mouse and itll wake up, everything spins & starts but no display on screen via DVI...however if during this time i connect an HDMI cable to the monitor, i get video again but then sound doesnt work...also it should be noted that cold booting with HDMI also displays no video...i must use DVI to get it to work correctly...I never had any of these problems using the onboard HD3000 or Geforce 8400gs...using the Radeon 5450 because i wanted to free up the 8400gs to use on another hackintosh project.

What could be causing the system not to display video after waking from sleep? Any ideas?
 

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For what it's worth, I have the 1GB Sapphire version of this card and I have the exact same problem. I haven't messed with the ATIConfig yet, I'm going to try that tonight.
 
I added AtiConfig Hoolock string and all that did was give me a nice garbled flash of nothing on boot and then it boots and same problem...i didnt do anything with atiports=x tho....
 
Success!

I added PCIRootUID=0 to my org.Chameleon.Boot.plist and sleep is now working.
 
Success!

I added PCIRootUID=0 to my org.Chameleon.Boot.plist and sleep is now working.

This fix worked for me as well, thanx for the tip....tho now in about this mac it shows up as a Radeon 5000 and not 5450 anymore...small price to pay for sleep to work since i use it so much...thx again!
 
Update: with PCIRootUID=0 i cant sign into the app store now.
 
you rock! used your pcirootuid fix and i have sleep working

THANKS!
 
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