Pull Mac HD > Library > Preferances > SystemConfiguration
Just put it on your desktop at first, you will need an admin password.
shut down the machine
Reset the SMC by holding down Shift + Ctrl + Option + the power button for about 15 seconds with it shut down (and plugged in).
Reset pRAM by holding down Cammand + Option + P + R immediately after hitting the power button and keeping them held down until the machine does its startup noise two times, then let off.
let the computer start up like normal.
once your on your home screen reconnect to your network and see if its working any better.
at this point you can trash the SystemConfiguration folder that is on your desktop.
Hi, thanks for your response! Unfortunately, this didn't solve the problem...I did what you told me, during the reset of the smc, is it normal that I didn't see nor hear anything while and after I did it? During the second reset (pram), I heard the starting sound and it rebooted twice.
Since it didn't solve the problem, I put the folder back from the desktop to the library.
Any other idea? (Did I miss something for the smc reset?)
ya the computer staying completely black during the SMC is normal
as far as the systemconfiguration file you dont want to put it back. once you pull it and restart the computer it should rebuild a new folder in its place with the factory defaults
or you can leave it in place Mac HD > Library > Preferances > SystemConfiguration and just rename it to systemconfiguration.old then restart the computer.
have you power cycled the model and or router?
Ok I'm gonna try this. Concerning your previous post, I did leave de systemconfig folder in it's place and rename it as you suggested, but after rebooting, there was no new "systemconfiguration" folder created.
As for the power cycling question, i'm sorry but i don't understand what you mean (i'm a french speaking guy, but from belgium hey, not france ), can you try to explain me?
sometimes its different based your particular network setup but,
unplug the modem and the router for a couple of minutes from their power sources then first plug the modem back in (the one you got from your Internet service provider) if you have a separate router plug that in second, once the lights on the modem fill up back to normal. as soon as the lights on the router fill up as well and it looks like it is back online try reconnecting to your network.