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HELP with ASUS X551C

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nothing to do

can you suggest me an USB wifi compatible without problem ?

thanks or your help
 
and what about an internal new card , but more compatible ?
 
and what about an internal new card , but more compatible ?

The card you have should work fine. Have you verified the card is functional in Windows or Linux?
 
yes it works fine. its a new laptop
if you think its a good card i can try again
 
yes it works fine. its a new laptop
if you think its a good card i can try again

BTW, post #17 shows you have an AR9485, which is not supported. Have you replaced it with AR9285?
 
On my card i read AR5B125
 
OK, it is Ivy Bridge CPU with HD4000. You should have no trouble installing OS X.

Your Wifi, however, is not compatible (it is AR9485), so you'll need to replace it. The wired Ethernet is probably supported.

Do you mean this?
i have this card ar5b125 from start, i didnt change it
 
Do you mean this?
i have this card ar5b125 from start, i didnt change it

From post #16:
Code:
this is the result

ubuntu@ubuntu:~$ lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Device [8086:0154] (rev 09)
00:02.0 VGA compatible controller [0300]: Intel Corporation Device [8086:0166] (rev 09)
00:14.0 USB Controller [0c03]: Intel Corporation Device [8086:1e31] (rev 04)
00:16.0 Communication controller [0780]: Intel Corporation Device [8086:1e3a] (rev 04)
00:1a.0 USB Controller [0c03]: Intel Corporation Device [8086:1e2d] (rev 04)
00:1b.0 Audio device [0403]: Intel Corporation Device [8086:1e20] (rev 04)
00:1c.0 PCI bridge [0604]: Intel Corporation Device [8086:1e10] (rev c4)
00:1c.1 PCI bridge [0604]: Intel Corporation Device [8086:1e12] (rev c4)
00:1c.3 PCI bridge [0604]: Intel Corporation Device [8086:1e16] (rev c4)
00:1d.0 USB Controller [0c03]: Intel Corporation Device [8086:1e26] (rev 04)
00:1f.0 ISA bridge [0601]: Intel Corporation Device [8086:1e59] (rev 04)
00:1f.2 SATA controller [0106]: Intel Corporation Device [8086:1e03] (rev 04)
00:1f.3 SMBus [0c05]: Intel Corporation Device [8086:1e22] (rev 04)
[B]02:00.0 Network controller [0280]: Atheros Communications Inc. Device [168c:0032] (rev 01)[/B]
03:00.0 Class [ff00]: Realtek Semiconductor Co., Ltd. Device [10ec:5286] (rev 01)
03:00.2 Ethernet controller [0200]: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller [10ec:8136] (rev 06)

I have placed emphasis on the relevant data. 168c:0032 is AR9485 (AR5B225/AR5B125), not AR9285 (AR5B195).

AR9485 is not supported. You must replace it. I already told you this in post #17. Somewhere along the line we got confused into thinking that you have AR9285, when clearly you don't. In post #18, you said you were going to look for a new WiFi card, perhaps that's why I assumed you had already done that.
 
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