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I recently repaired this laptop from dead state (water damage) and it works fine now, except for the WiFi, which has intermittent problems. When I restart the Mac the WiFi works fine -- it connects without any issue -- then works for 10 minutes and turns off. When I try to turn on it, it refuses to, leaving a blank WiFi symbol. Once it even said that the hardware wasn't installed so I tried deleting the network interfaces.plist file, again when restarting it just worked for a little while.

Also I realized once it turns off sometimes when I delete the service and add it again it turns on again but doesn't show any WiFi networks in the list, searches but without finding anything. I am not sure what the issue is, the airport driver is in place I checked, I believe it's a software issue possibly even if it says WiFi failed, then why does it work for a little while? I am hoping that anyone can help me with this issue I am new to Macs and I was really happy the laptop worked after 2 years of disuse.

Edit: the laptop begun to freeze and crash just now.

  • in your rescue from drowning, did you replace the wifi card ? – Ruskes Oct 16 '18 at 17:24
  • live action, patient in emergency, I love it – Ruskes Oct 16 '18 at 17:26
  • I don't exactly know what the damage was I believe it was damaged by liquid it was purchased two years ago on eBay not by me, never activated I didn't replace the card, the card seems fine as the component it's the Airport Extreme 6.3.6 (read from the info on laptop). Now again showing no hardware installed, If I restart with deleting the network interfaces.plist it'll probably work again and then stop and it's a circle. Would u say it's the card? In general, laptop is fine after cleaning with isorophyl. Except the power button doesn't work at all. – RoseLilly Oct 16 '18 at 17:29
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    How to I do that? This is first time I use a mac – RoseLilly Oct 16 '18 at 17:32
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    Thank you for your time and help I appreciate it. You highlighted some important things to look out for in my Mac. It seems to be working now pretty well. :) Ofcourse any questions you have I'll be happy to answer – RoseLilly Oct 16 '18 at 22:36

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