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Help! ATI Mobility Radeon HD 4570 doesn't work!

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sorry, i was going off the screen shot alex posted, you also need to have install to PBR checked, Try the clover installer again  


The pbr is actually for the boot pause but check it to be sure.

Edited by joe75

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I have checked the same parameters there are in the Alex's screenshot...

but doesn't work...

Ok. Switch from "Not install" to "Built-in" at BD utility. It must install old version of Clover.

Boot with that and check if it works.

If works, update clover with the help of pkg installer afterwards.

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There is nothing to explain.

Set up Clover to Hdd from pkg. But if you get a failure, I suggested to set up Chameleon to the USB stick just in case. Do what you did in the case of Clover but switch to "Not install and boot Records->Windows."

Don't get lost in three pines

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boot1: error
Try to use MBR partition on USB Stick instead. Actually, my Mavericks stands on MBR. Hence. I'm not sure giving an answer about GPT as I've never used it.

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Theoretically, it should work on USB stick. But if your want to start everithing from the beging.

First, download this pure build from here http://rutracker.org/forum/viewtopic.php?t=4462718 it has only NullCpuPowerManagement and FakeCMS. But if you  already use pour retail build, not builds like iAtkos, you can manage without it.

Set up your system by using R-drive image under Windows and so on.

You can use virtual keyboard in order to install necessary kext afterwards.

Boot with -f -v GraphicsEnabler=No

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Open it with R-drive image as I was writing about it above.

 I can use the dp1 I used before with the mbr patch?

If it is a clear system with necessary kexts and you understand which kexts you chose for your system.(Not too many injectors) Yes.

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