5,1 updated to Sierra and no more WIFI

[iamnotme]

I had el cap running on it with factory wifi hardware and it worked great. The update to sierra went smoothly with no errors but now I have WIFI.

It's an all stock machine with 2 X 6 core xeons.

Any suggestions?

Thanks

 

[Zobrien]

I had el cap running on it with factory wifi hardware and it worked great. The update to sierra went smoothly with no errors but now I have WIFI.

It's an all stock machine with 2 X 6 core xeons.

Any suggestions?

Thanks

I had this problem with my 09' flashed to 10'... apple made the earlier version airport cards incompatible with OS X sierra. You need to upgrade to the newer wifi card for it to recognize your wifi adapter.

 

[h9826790]

This should not happen on a stock 5,1.

A quick search shows that your cMP is a 4,1 flashed 5,1, not stock 5,1. Also, with dual X5680, not the stock CPU as well.

So, most likely your "4,1" shipped with a Wi-Fi card that simply not supported in Sierra.

 

[Zobrien]

This should not happen on a stock 5,1.

A quick search shows that your cMP is a 4,1 flashed 5,1, not stock 5,1. Also, with dual X5680, not the stock CPU as well.

So, most likely your "4,1" shipped with a Wi-Fi card that simply not supported in Sierra.

Yep, al 4,1's and before have unsupported wifi cards. The new ones cost about 25 on amazon

 

[carpsafari]

You can buy it for $10.
http://www.ebay.com/itm/391513347299?_trksid=p2060353.m2749.l2649&ssPageName=STRK:MEBIDX:IT

 

[whgmkeller]

Sometimes, when OSX goes into sleep mode, it looses the WIFI settings. This is remedied by turning off the machine, removing the power cable, waiting for 15 minutes, and starting up again.
Maybe you can try this.

Willem

 

[pertusis1]

Somehow a search for this problem didn't initially turn up this thread, but I just started a new one with almost the same issue. I have a stock 5,1, and am losing wifi when the machine falls asleep. It works if I turn Wifi off, then back on (no reboot required).

For me, it seemed to start when I upgraded to High Sierra. Granted, I have upgraded almost everything about my 5,1, but I haven't touched the wifi card. Any thoughts would be welcome either in this thread or the new one.

FWIW, if the mods want to combine threads, have at it.