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Downgrading from 10.9.2 to 10.9.0
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Question

Hi Guys,

 

I have 2 days ago fresh installed Mavericks 10.9.0 and every things works well (Ethernet-Usb Wlan-Graphics-Only iCloud). Today OSX forced to me update to 10.9.2 then i have updated to 10.9.2 because i must to do. Now my ethernet works not, graphics are slow but i can see my screensaver. wlan works good icloud too. I don't liked my graphic card performance on 10.9.2. 

 

So, how i can downgrade my osx to 10.9.0 without fresh install ?

 

Processor: intel i3 2348m 2.3ghz 3mb l3 cache

motherboard i dont know, who is producter. on windows i have seen from acer or funny name. but my laptop Acer Aspire E1-571 not E1-571G

My graphic card : Intel HD 3000

My ethernet card : BCM57785

Onboard wifi doesn't have any driver for mavericks (i have tried 10-20 kexts) bcm43xx

 

And one another problem. 

 

My osx connected to icloud, but i can't use my icloud mail account. I can't add my other mails everytime gives me port 993 problem.

 

Appstore i got connection failed error.

imessage i got username-password false error.

 

but itunes works good. i can connect i can play something..

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