IMAC keeps dropping the internet connection using Wi-Fi.

iMAC keeps dropping internect connection when using wi-fi.

Best way ti fix it !
iMac and MacBooks have the ( PHY Mode:    802.11n ) as standard
there not supporting 802.11g or other types
what you need to do
go About this Mac > More Info... > Overview > Than > System Report..
Than from the lest under Network - Wi-Fi
you will get report about your network Interfaces ,
your router name here :
PHY Mode:    802.11n
BSSID:    bc:76:70:5d:c6:a7
Channel:    7
Country Code:
Network Type:    Infrastructure
Security:    WPA2 Personal
Signal / Noise:    -74 dBm / -101 dBm
Transmit Rate:    52
make sure that your router setting on your router match the machine
in example the router set on : Mode:    802.11n only !
and Security:    WPA2 Personal
after that you mac will work faster and smooth
why is that happened ?
when your router set in auto mode , if any other pc or laptop join the network the router will change the mode from 802.11n than your mac will lose the connection setting and you will need to refresh the network
agin and agin and agin .
make sure you buy good router that support 802.11n
very easy job takes me 1 year for find it and no one have the right answer on the net

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My MBP keeps dropping the internet connection

Since yesterday, my MBP (Late 2011) keeps dropping the internet connection from my Airport Express. I'm still connected to the network, it just loses the internet connection on the MBP. I restart the computer, and it works for a few minutes. I turn off router, and it works for a few mimutes...but no matter what I do, after 2-3 minutes, I get the exclamation mark in the wifi indicator saying there is no internet connection.
And this is only happening on that single MBP. All of the other devices in the house, another MBP (mid 2012), an iPad (retina with lightning connector) and 2 iPhones (one 4 and one 5), can all connect. And the router we have is an airport express.
Why is this happeneing only on the one computer, and how can I fix this?
Thanks.

First, changing your DNS settings could not possibly have any effect on this problem.
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 ▹ System Preferences... ▹ Network
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Assuming that you've ruled out those possibilities, click the lock icon in the lower left corner of the preference pane and authenticate, if necessary. From the Location menu at the top of the window, select Edit Locations. A sheet will drop down. Click the plus-sign button to create a new location. Give it any name you want. In the new location, set up the Wi-Fi service with the same settings you used before. Click Apply and test.

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My mac keeps dropping the internet connection

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David

Wifi problems seem to crop up a lot on here and unfortunately there doesn't seem to be a 'one fix' solution.
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Check wifi security - if it's WEP change it to WPA or WPA2 (preferably, as it's more secure)
See if using OpenDNS numbers to your network settings as described here helps:http://use.opendns.com/#mac
Change the wifi channel on the router
Create a new Network Location: http://support.apple.com/kb/HT5289
Reboot the router
Also take a look at this link and the links within the article for other ideas:
http://osxdaily.com/2011/11/06/lion-wi-fi-problems-solution-mac/?utm_source=feed burner&utm_medium=feed&utm_campaign=Feed%3A+osxdaily+%28OS+X+Daily%29&utm_conte n t=FaceBook
...and this link:
http://osxdaily.com/2012/11/30/resolving-stubborn-wi-fi-connection-problems-in-m ac-os-x/

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Dear Cutomer support
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Hi:
See if installing this updated network driver for the model wireless adapter in your PC works.
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You can't use The following message is stopping me access my disk utility. 'this version of the application "Disk Utility" with this version of OS X.' not only that my Mac pro keeps dropping my internet connection and logs on to BT Open.

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Boot to the Recovery HD: Restart the computer and after the chime press and hold down the COMMAND and R keys until the menu screen appears. Alternatively, restart the computer and after the chime press and hold down the OPTION key until the boot manager screen appears. Select the Recovery HD and click on the downward pointing arrow button.
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Download and install the 10.10.1 update.
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 ▹ System Preferences... ▹ Network
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Assuming that you've ruled out those possibilities, click the lock icon in the lower left corner of the preference pane and authenticate, if necessary. From the Location menu at the top of the window, select Edit Locations. A sheet will drop down. Click the plus-sign button to create a new location. Give it any name you want. In the new location, set up the Wi-Fi service with the same settings you used before. Click Apply and test.

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A] With the help of Cisco Connect Software (if at all you have installed the router with the help of this software)
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It is tricky..
But yes it can be done as long as you use a different IP subnet to what is being used for the internet..
So I need to know what modem router you have?? Does it have wireless as that would make it very easy?
What IP is the computer getting?
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Airport keeps dropping the wireless connection to my network 2 or 3 times a day.

Hi,
Since apple's recent firmware update for my macbook pro, airport keeps dropping the wireless connection to my network 2 or 3 times a day. It then searches for a network but can't find it, but if I select my network manually it connects immediately ???
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It is not the router. There are a number of factors that are involved. If the router is a G/N router you may have to switch to G-Only (or disable N). You may also have a 5 GHz wireless phone or other routers in the neighborhood interfereing with the signal.
Try this:
1. Open network preferences. Take note of what IP address is assigned. Then, click Advanced.
2. Click on TCP/IP and select Using DHCP with manual address and type the IP address below that.
3. Click OK.
4. Set your Router to Wireless-G only (or disable N) and change the channel to 11 or some higher number.
This should keep it from dropping the wireless connection. It is a bug in the OS. Apple has not fixed it in 3 years.
You wireless connection will be a tad slower, but you really won't notice.
Hope that helps.
DB

My iMac keeps on losing internet connection. Webpages get stuck after a minute or so. If I check the internet connection via diagnostics it seems to work just fine. Others, like the iPad use the same wifi connection and never fail. What can I do?

Running 10.6.8 on Intel dual core iMac, it keeps on losing internet connection. Webpages get stuck after a minute or so. If I check the internet connection via diagnostics it seems to work just fine. Others, like the iPad use the same wifi connection and never fail. What can I do?

Greetings,
I've never seen this issue, and I handle many iPads, of all versions. WiFi issues are generally local to the WiFi router - they are not all of the same quality, range, immunity to interference, etc. You have distance, building construction, and the biggie - interference.
At home, I use Apple routers, and have no issues with any of my WiFi enabled devices, computers, mobile devices, etc - even the lowly PeeCees. I have locations where I have Juniper Networks, as well as Aruba, and a few Netgears - all of them work as they should.
The cheaper routers, Linksys, D-Link, Seimens home units, and many other no name devices have caused issues of various kinds, and even connectivity.
I have no idea what Starbucks uses, but I always have a good connection, and I go there nearly every morning and get some work done, as well as play.
You could try changing channels, 2.4 to 5 Gigs, changing locations of the router. I have had to do all of these at one time or another over the many years that I have been a Network Engineer.
Good Luck - Cheers,
M.

My iMac drops the internet connection but mantains the wi-fi network.

I have a late 2011, 2.7GHz Intel Core i5, 27" iMac with 4GB Ram. When I power up the computer everything goes great, but after 3 or 4 hours (top) the internet connection stops working; and by this I DO NOT MEAN that the network utility turns off, or that it doesn't detect any netwoks. On the contrary, the computer stays connected to the wi-fi network and detects everything, but it simply has no internet connection; it even stops communicating with my iphone through itunes (with the wi-fi sync option), and crashes LAN games when i try to play at home. When this occured for the first times I just turned off and back on the network utility, but the problem continued and I had to keep turning off and on the network (it wouldn't stay connected for more than 5 minutes). I checked with my laptop (the last alluminum macbook ever available, as well as with my mom's black macbook) when the internet stopped working in the iMac (just to check that there were no issues regarding my ISP) and the internet connection just worked great in it, and it didn't drop at all! It also worked perfectly with my dad's windows XP dinosaur laptop.
At the beggining I thought my wi-fi router had gone bad, so I changed it for a brand new wireless-n ready router (it turned out that i wasted 180 dollars, because this wasn't the issue, and I had already trashed my old router). At first, I used the wireless-n feature, but other gadgets stopped working with this type (a play station 3 and a nintendo wii). I then configured it with a mixed mode, and everything has worked perfectly (including both macbooks, an ipad 2, an iphone 4s, 4 blackberries, a play station 3, a nintendo wii, 2 network printers, 1 network scanner, a 3TB network hard disk and 3 led tvs that come network ready, along with their respectives network ready surround soundbars).... EXCEPT FOR MY IMAC! So DEFINETELY MY ROUTER IS NOT THE PROBLEM.
I've been an avid apple user for almost 10 years now, and this is the first time I encounter this type of problem (it's my first iMac), so I'm pretty much out of logical options. I've already moved my router closer to the computer, I moved my wi-fi connection to the top of the list in the network utility.
I even had to re-write this whole message again because i clicked on "Post message" and it had no internet connection, so it displayed a no-internet alert in my browser.............
PLEASE! HELP!!!!
PS: all my apple gadgets are always up to date.

I FINALLY SOLVED THIS ISSUE!!!!
New routers have "mixed" modes for your network; this means that it will automatically choose the best option between wireless-B, wireless-G and wireless-N network modes. I used to experience this issue using the 2.4 GHz. mixed mode wireless network.
Thankfully, my router can create 2 networks: a 2.4 GHz. network and a 5 GHz. network.
When I randomly changed this value to "use only wireless-B and wireless-G" trying to fix an issue with a wi-fi expander, the iMac wi-fi issue dissapeared! I tried it with wireless-N only, but it didn't work.
So, finally, I have a 2.4 GHz network with only wireless-B and wireless-G modes which works PERFECT with the iMac, and a 5 GHz. network with a mixed* wireless mode for everything else mode.
*PD: by "mixed" mode it means that the router will automatically choose between B, G and N network modes as it fits better.

Having upgraded to lion my imac drops the internet connect when not active

I have just upgraded to Lion and when I leave the computer unattended for a few minutes it drops its internet connection - therefore does not collect any email until I click on the Airport icon and reselect the network. Also when starting up the and automatically loading Firefox the home page shows the previous download.

I FINALLY SOLVED THIS ISSUE!!!!
New routers have "mixed" modes for your network; this means that it will automatically choose the best option between wireless-B, wireless-G and wireless-N network modes. I used to experience this issue using the 2.4 GHz. mixed mode wireless network.
Thankfully, my router can create 2 networks: a 2.4 GHz. network and a 5 GHz. network.
When I randomly changed this value to "use only wireless-B and wireless-G" trying to fix an issue with a wi-fi expander, the iMac wi-fi issue dissapeared! I tried it with wireless-N only, but it didn't work.
So, finally, I have a 2.4 GHz network with only wireless-B and wireless-G modes which works PERFECT with the iMac, and a 5 GHz. network with a mixed* wireless mode for everything else mode.
*PD: by "mixed" mode it means that the router will automatically choose between B, G and N network modes as it fits better.

IMAC keeps dropping the internet connection using Wi-Fi.

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