Internet connection problems mac os x

1. Confirm Proper Network Operation
Contents:


  1. Connection Problems
  2. 5 Common MacBook Pro Wi-Fi Problems (And How to Fix Them)
  3. Popular Topics
  4. 1. Try another site or app
  5. How To Fix WiFi Connection Problems in Mac OS X Lion

Most Macs support all common Wi-Fi standards. To check which standards your Mac supports, use Network Utility. Set the network interface to Wi-Fi and examine the information listed after "Model:". See Potential sources of wireless interference for more information about interference, its causes and solutions. If your computer does not exhibit any symptoms when connected to a different Wi-Fi network, then the issue may be related to your network router or ISP.

In that case, you should contact the manufacturer of your router or your ISP. If Internet access is slow on your computer, confirm your network supports the correct Wi-Fi standards. Other standards are fast, but you should confirm that your computer is using the fastest protocol available. If this does show the expected Consult the manufacturer of your router for information about configuring it.

Disable other active network services. Active network services consume a portion of the available bandwidth. Examples of these include file servers, video streaming, online games, and so forth. When these are in use, they may cause other services to slow down. Try turning off unused network applications to increase the speed of other applications.


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Be aware that other computers or devices connected to your network may also contribute to poor performance. If you are not sure if a computer associated with your Wi-Fi network is causing poor performance, try turning it off or disconnecting it from the network. Use WPA2 Authentication, if available. The WPA2 authentication mode meets the highest standards for Wi-Fi compliance and should be used to provide the greatest speeds for modern Wi-Fi networks. Other authentication methods may reduce performance of your Wi-Fi network. In order to change the authentication method offered by your Wi-Fi router, you will need to contact the manufacturer.

Check your range to the Wi-Fi router and reduce the effect of interference. If your computer is too far from your Wi-Fi router or your environment has too much Wi-Fi interference, then your computer may not detect the Wi-Fi network properly. The easiest way to check for range limits with your Wi-Fi network is to move your computer or your Wi-Fi router closer together and make sure that there are no obstructions such as walls, cabinets, and so forth between the router and your computer.

See Potential sources of wireless interference for more information about interference and solutions. Try connecting to a different Wi-Fi network. If your computer works fine when connected to a different Wi-Fi network, then the issue may be related to your network router or ISP. In that case, contact the manufacturer of your router or your ISP. Note : The above steps will remove your Wi-Fi network passwords. If you do not know them, or if your network does not use passwords to restrict access, you should contact your network administrator.

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This article has been archived and is no longer updated by Apple. Preparation First, determine what the issue is. Does the symptom occur with more than one Wi-Fi device? Wi-Fi issues may be related to the network in question or they may be related to the Wi-Fi computer joining that network. Usually, if other computers or devices such as Apple TV or iPhone are able to get on the Internet without issues, then your Wi-Fi router is probably fine.

If you only have one Wi-Fi device, proceed with this article. Make sure your software is up to date. If you use a third-party Wi-Fi router, check with the manufacturer to confirm that it has the latest firmware installed.

Connection Problems

If an update is available, follow the manufacturer's instructions for updating the firmware. To determine if your Apple Wi-Fi base station firmware is up to date, see Updating your software. Check your connections. Some networking issues may be caused by loose or disconnected cables. Verify that all Ethernet and power cables connected between your modem and your Wi-Fi router are correct. Verify that you are using the recommended settings for your device.

See Recommended settings for Wi-Fi routers and access points. Restart your network devices. Powering your modem or router off for a few seconds and then on again may resolve network issues without any additional troubleshooting. If you have phone service through your ISP, power cycling your modem may interrupt that service.

You may need to contact your ISP in order to restore your phone service if your modem is reset or powered off. Make sure that you have alternative means to contact your ISP such as a cell phone to avoid unnecessary delays in restoring your Internet or phone service. Troubleshooting Click the solution link that appears below the Wi-Fi symptom. Symptom: My Mac does not connect to the Internet Webpages do not open in Safari or other web browsers. These pages may be blank or you may receive an alert that "You are not connected to the Internet".

Internet applications such as Mail, iChat, or the App Store cannot connect to their servers. All I had to do to regain full connectivity was delete this file backed it up of course and reboot the machine!

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5 Common MacBook Pro Wi-Fi Problems (And How to Fix Them)

This fix worked first time. I had the same lost internet problem when upgrading to Sierra. Could connect to my router but not the internet after upgrading to Sierra. Checked the etc folder and sure enough, no file. I checked another laptop of mine and it was there. I simply copied the resolve. Booted Safari and was online for the first time in days. I have upgraded a plethora of macs from El Capitan to Sierra with no problem until this little Macbook Air.

I had the same problem and somehow I fixed it by turning a VPN service on and off. It might sound weird but nothing else worked for me. Check if the date in your computer is correct. This worked for me.

Popular Topics

Somehow it changed, and after i fixed it, the problem was solved. Thank you for your interest in this question. Because it has attracted low-quality or spam answers that had to be removed, posting an answer now requires 10 reputation on this site the association bonus does not count. Would you like to answer one of these unanswered questions instead? Sign up to join this community. The best answers are voted up and rise to the top. Home Questions Tags Users Unanswered. Asked 4 years, 4 months ago. Active 4 months ago.

Viewed k times. Checked and copied all network settings from another macbook pro that's connected and online on my network. Removed network password from keychain. I've tried other things too, but can't remember what else right now. Trond Trond 78 1 1 gold badge 1 1 silver badge 7 7 bronze badges.

1. Try another site or app

I've also reset the SMC and pram! Welcome to Ask Different! If you are willing to try this, a system diagnostics file needs to be made and uploaded. This file can be created on the problematic Mac using this key combination while logged in: Command-Option alt -Control-Shift-. Screen will flash, and after a few minutes a window will pop up containing a sysdiagnose file. But it contains every important hardware log! Hit the keys while logged in.

How To Fix WiFi Connection Problems in Mac OS X Lion

For example when you have a Finder window open. Connect to the administrative interface of your router with a working Mac. Make a note of the internal interface probably You might have to unlock the lock in the left bottom corner first. In your example this should be any address not already in use in the range of Enter 8. This DNS server is a public one from Google.

You have to enter your admin password to complete the task. This works with Mac OS X If another OS X is installed use the appropriate command.

Now ping the gateway address and the DNS server with ping -c 5 The command sends 5 pings to the specified address. To stop pinging - if you didn't include the -c option - just enter ctrl C. If you get a successful answer, quit Terminal. If you didn't get an answer, enter ifconfig en1 and re-check the proper settings of your Wi-fi interface.

Return to the network preferences and reenable all other interfaces. Check that the Wi-fi interface is on top of the list. Now open a browser of your choice and try to connect to an arbitrary site. This guide didn't solve the problem. Hello klanomath. Thanks for a nice guide, but I still cannot get online.. Any other thoughts on this issue?

I have tried both LittleSnitch and Hands Off! I did ifconfig -a and got a long answer, anything particular you want me to look for? I have edited the original post with the output of ifconfig -a. Unfortunately the other macbook belongs to a friend who is not here at the moment :s Thank you so much for trying to help me. If so, how do I do it? After inspecting your configuration, it seems two factors might be in play here: DNS Firewall A quick way to confirm a working internet connection but bad DNS is going to a website by using it's IP address rather than it's domain name. Internet could work at this point.