2013 Macbook Pro will not reliably connect to home WiFi.

This problem began about a month ago. I've owned this computer for 2 months and had no problem the first month. Now, when I turn it on it searches for the wifi signal and my wifi's SSID is visible but it doesn't connect, even when I select it from the list. It stops searching and the ! icon appears. If I restart the computer it will usually connect then automatically but at times I've had to restart it 2 or 3 times before this happens. And it can happen multiple times each day if I shut down the computer. At times though it works normally so the problem is intermittent. My Iphone 5 has no problem connecting with my router. I believe this began happening about the time I added a Brother wireless printer. I also now occassionally get a message that there are 2 devices sharing the same IP address and don't know what that's about or if it's related to the problem. This is my first Mac (and first wireless printer) and I should also add that I consider myself a technodummy. Help in solving this perplexing and annoying problem would be greatly appreciated.

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Macbook Pro will not reliably connect to our wifi router - any suggestions?!

Hi
My partner has recently bought a second-hand (but fully functional) Macbook Pro running OS X 10.5.8 to set up in our home office.
Our wireless router is not in the same room (it's in the living room via the hallway) but no other computer or device in the house has any problems detecting and connecting to the router.
My partner's pc netbook and my iPhone 4S connect fine all through the flat. My iMac (located in the office) also has no problems.
We have managed to get the Pro connected to the internet wirelessly a couple of times in the living room (although not all the time) but as soon as it is moved into the office the connection cannot be found or successfully connected to.
Can't help but think that there's some little setting or something that we've not done that is causing the problem - seems odd that all the other devices connecting have never had any issues! I'm not completely technically minded, but have had enough experience with computers to feel fairly confident on them - just wondered if anyone might be able to suggest anything?
The Network Preferences pages don't seem to be any help to me - I've tried several things in there that would usually help to rectify a troublesome connection.
Any help or advice would be so much appreciated - my partner bought this Macbook Pro to replace her netbook and a reliable online connection is paramount as she is designing websites etc. with it!
Thanks,
Jimbanzee

Hi JohnTh
Thanks for your suggestion (and apologies that it's taken forever for me to try this out and get back to you)!
I think I've done what you suggested but I think my lack of computer knowledge is letting me down as it did not work.
I went to Network in System Preferences whilst connected to the internet via Ethernet cable, and managed to connect to my router, I then locked the changes, removed the cable and then restarted but straight away upon logging in, it had lost the changes and was unable to find the wireless connection.
To be honest, it will not always find it when the ethernet cable is plugged in - in fact, I've witnessed it go from green light connection, having found the router and getting an ip address to amber without the ip address to not being able to locate the router (all whilst still plugged in on ethernet) within the space of about two minutes!
I'm a bit hazy on the details of your suggestion when you say:
Go to the wireless setup from here, and change the name to something that you can recognise. Make sure that it is password protected. Save it so that it'll write itself to its flash memory (your network will briefly not work).
I went to the Network page of System Preferences straight away - is there somewhere else I should do the wireless setup? Our wireless connection is (as it is on my iMac which connects fine wirelessly) protected with a WPA2 Personal password.
How do I save it so that the setup will write itself to it's flash memory? Sorry not sure where this is!
I have also tried to remove the 'remembered' network from the advanced airport settings using the '-' button and then adding it '+' back in, but this also does not seem to work.
We are planning on upgrading the operating system from 10.5.8 once we can get a secure connection - my partner is happy that she can connect to the internet via Ethernet cable but she is wanting to sell her PC netbook (in order to part fund the purchase of the Macbook Pro) and she's not happy to do so until she can connect wirelessly successfully!
Finally, thanks for all your help and suggestions - really appreciate it and hope to find a solution!
Jimbanzee

HT4628 My macbook pro will not automatically reconnect to the wifi after a sleep. This has started after having upgraded to mountain Lion (10.8).

Hi
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Bought a new Macbook Pro yesterday, can't connect to home WIFI (Help!)

Hey everyone,
Bought the Macbook Pro 15" yesterday from the states and took it home to British Columbia. So I set everything up, tried connecting to my home router network and it says:
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Make a couple of phone calls.
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Call Apple they will sent out iDVD at no charge.
800-692-7753
800-275-2273
Most people report that by asking here:   http://www.apple.com/feedback/idvd.html
or here:   http://www.apple.com/contact/
they got a free copy of iDVD.
If that doesn't work you can purchase iLife 11 on disk (don't get the download) for about $39.

MacBook Pro 2010 Can't Connect To Home Wifi

Hey,
My home was setup with a Cisco Linkysys wireless router (about 2 years old) and at the time the iMac that was hardwired to the router and other devices like an iPod/ iPhone and a Nintendo DS etc. would be able to access the home network. I arrive now (to the parents home) and can't seem to gain access to the network. I was able to connect once and use the internet but the next day couldn't connect again. We've confirmed many times the password is correct, reset the linkysys router and tried again but failed. I would see the router and have full or high signal but upon entering I would get either an "Invalid password" or "Connection timedout" error response. I also tried Network Diagnostics and Assistant walk throughs under the Assit Me... button but didn't work. I've also tried choosing the network in Network Preferences under the drop down menu Network Name and entering the password there but to no avail.
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I have the same issue. Was working fine until Saturday when Rogers reset my modem because we lost our internet connection. Our modem is direct connected to our PC and we connec with the Macbook through wifi.
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There seems to be no trigger, but randomly 0-10 minutes the internet stops working on the Macbook. Sometimes restarting the wireless helps, most of the time it does not.
I know that my network/internet are working fine because all of our other devices stay connected with the Macbook drops. Is there a easy fix that I missed?
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Please test after taking each of the following steps that you haven't already tried. Stop when the problem is resolved. Back up all data before making any changes.
Step 1
Take the applicable steps in this support article. The Wireless Diagnostics program generates a large file of information about your system, which would be used by Apple Engineering in case of a support incident. Don't post the contents here.
Step 2
Disconnect all USB 3 devices. If you don't know which are USB 3, disconnect all USB devices except keyboard and mouse.
Step 3
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Step 4
Open the Energy Saver pane in System Preferences and unlock the settings, if necessary. Select the Power Adapter tab, if there is one. Uncheck the box marked
Wake for Wi-Fi network access
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Step 5
Open the Network pane in System Preferences and make a note of your settings in the Wi-Fi service. It may be helpful to take screenshots of the various tabs in the preference pane. If the preference pane is locked, unlock it by clicking the padlock icon and entering your administrator password. Delete Wi-Fi from the service list on the left by selecting it and clicking the minus-sign button at the bottom. Then recreate the service by clicking the plus-sign button and following the prompts.
Step 6
In the Wi-Fi settings, select
Advanced... ▹ TCP/IP ▹ Configure IPv6: Link-local
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Step 7
Reset the System Management Controller.
Step 8
Reset the PRAM.
Step 9
Launch the Keychain Access application. Search for and delete all AirPort network password items that refer to the network. Make a note of the password first.
Step 10
Make a "Genius" appointment at an Apple Store, or go to another authorized service center.

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Make sure you are using the most recent OS X update for the version you have. Run Software Update.
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/Library/Preferences/SystemConfiguration/com.apple.airport.preferences.plist
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To find that file quickly, select the above path (triple-click the line), control-click to bring up the contextual menu, and select Services > Reveal. Drag that file to the Desktop, or directly to the Trash.
This will completely erase your AirPort network preferences, requiring that you select your Wi-Fi network and authenticate again.
If nothing else helps, try turning off Bluetooth if you do not require it. BT interference was suspected in preventing automatic reconnections to preferred networks upon wake from sleep, though this was never confirmed.

My macbook pro will not connect automatically to wifi after restarting or asleep

My Macbook Pro will not automatically connect to wi fi after restarting or sleeping. Any ideas?

Few have this problem. But there is no single sure solution for this.
Until a solution is found, manually connecting to wifi after sleep is the way.
Best.

MacBook Pro will not connect to the internet

Suddenly, my MacBook Pro will not connect to the Internet--even when I take the cable from the Time Capsule and plug it into the laptop...
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–WiFi is connected
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You should show WiFi:
Do you have it turned on?
Clinton

My MacBook pro will not connect to the Internet through wifi yet all other devices do

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Disable your AirPort and enable in a second. Or check, maybe you need to type in correct digits in; Settings/Network/Advanced/Configure...

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Change your router channel. Sometimes this is all you will have to do.
Power cycling the router. Read the router's user manual or contact their tech support for instructions.
System Preferences/Internet & Network/Network
Unlock the padlock
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Highlight Airport
Click the Assist Me button
In the popup window click the Diagnostic button.
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http://support.apple.com/kb/TS1920 Mac OS: How to release and renew a DHCP lease
No internet connection (wireless)
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Delete all extra entries that you find.
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Other resources to check into:
Troubleshooting Wi-Fi issues in OS X Lion and Mac OS X v10.6
Netspot
How to diagnose and resolve Wi-Fi slow-downs
Pv6 troubleshooting
Mac OS X 10.6 Help: Solving problems with connecting to the Internet
What Affects Wireless Internet?
Solutions for connecting to the Internet, setting up a small network, and troubleshooting
I uninstalled Norton and it didn't help.
To properly uninstall Norton software follow these instructions - Locate Symantic Solutions folder inside the Applications folder at the root level of your HD, launch the Symantec Uninstaller application, select the Symantec AntiVirus Corporate, Norton AntiVirus & Norton AntiVirus Auto-Protect entries and click the Uninstall button.
Confirm your decision when prompted and then enter your administrator password in the space provided.
Retart your computer & Norton should be gone for good.
If the above does not work, download a copy of Symantec’s RemoveSymantecMacFiles removal utility. This utility will launch Terminal & remove the Norton components.

My MacBook Pro will not connect to my home wifi but will connect everywhere else. My other Apple devices (I-pad, I-touch, another MacBook Pro) connect to the router without problems. It was working fine but all of a sudden stopped working.Thanks!

My MacBook Pro will not connect to my home wifi but will connect everywhere else. My other Apple devices (I-pad, I-touch, another MacBook Pro) connect to the router without problems. It was working fine but all of a sudden stopped working.Thanks!

try this.
get back into your router's settings and start deleting devices that are not connected to your router.
you can also delete the ones that are connected - they'll connect again.
on the DHCP side of it, increase the amount of users that can connect/log in to your router.
see if that sorts it out for you.
good luck.

2013 Macbook Pro will not reliably connect to home WiFi.

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