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niresh wont install on amd athlon 7850 black edition
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try with these bootflags: "USBBusFix=Yes amd" (without ") or "USBBusFix=Yes amd64" (without ") 

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try with these bootflags: "USBBusFix=Yes amd" (without ") or "USBBusFix=Yes amd64" (without ") 

 

after typing boot flags it just reboots

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waiting for root device - system can't read DVD rom, go to BIOS and set DVD ROM to AHCI

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waiting for root device - system can't read DVD rom, go to BIOS and set DVD ROM to AHCI

 

im installing the os from a usb

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Have you read some of are Staff Installation Guides ? They can be very helpfull .check them out at Installation Guide section of this Site

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or unplug Your USB stick and plug it to another port, when system is waiting for root device

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Hey bro.

I stuck at bluetooth yesterday as well

But i didn't see that  "still waiting for root device"

you can still try if you want to tho.

 

(BTW i was able to boot into safe mode   -x -v)

 

so  what i did was :

 

boot with   -s

 

when you see the prompt  "root:"

 

Type: mount -uw /

Type: cd /System/Library/Extensions

Type: mkdir intel_back

Type: mv AppleIntelHD* AppleIntelF* intel_back/

Type: touch ../Extensions

 

reboot and use -v flag

 

 

good luck

 

 

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Disconnect all USB devices other than the install media, mouse and keyboard. Then disconnect all unneeded sata/IDE drives for the install then in you bios, set hpet to 64-bit or if not! just enabled then set your sata controller to AHCI.

Boot with:

USBBusFix=Yes amd64 -x -v

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