Intel Mac :: Connection To The Internet Drops Every Hour?
Apr 14, 2012
My iMac is connected to the internet wirelessly.
Every hour (or even more often), I get the message "Safari cannot connect to the Internet", followed by a prompt to run diagnostics. I run the diagnostics, re-select my network (provided via BT Hub) and pronto - the issue is fixed, by why does the connection drop so often. Surely this can't be right - I can't be doing that every time I want to go online. Â
Interestingly, my iPad (which uses the same network and Safari) never drops the connection, so it is something to do with the iMac.
Info:
iMac, Mac OS X (10.7.3)
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Jul 23, 2008
I have been using Qwest DSL internet for the past year. But, for the past month I've had a problem with the internet going 100% out (for just 1 minute each time) when I'm surfing the internet or using Skype/MSN. It can happen 10x per hour or just 1x per hour. It happens most often when I'm demanding a lot from my internet connection, such as visiting graphic intensive sites (360 degree tours, etc.) OR when I'm using Skype with video/audio. It's sometimes predictable, but not always. Even if I try to recreate the 1 minute "outages" there isn't a guarantee I can recreate one of them.
Tech support has replaced my 2wire modem 2x. They have also checked my internal and external wiring. They've also changed ports and all sorts of things in the main office. They say I'm getting perfect speeds and a clean signal. They say they've done everything they can. And, honestly, it seems like they really have tried. And, the speeds ARE good, except for when the internet light goes completely Off and I lose my internet for just 1 minute. It then turns back on and the connection returns. (The DSL light and other lights remain on or just flicker).
My computer: I'm using a 3 month old 2.4 MB with Leopard and the basic Mac programs. I also have Skype and Adium, but not much else. No extra firewalls or anything.
My DSL modem: I have a 2wire 2701HG-D. Built in firewall.
Changes: I've not made any changes to my hardware or software. This problem seemed to come from nowhere. Everything was great and then these 1 minute outages started occurring.
Mac/Modem settings: Standard settings using WEP.
Other users: Just my MB (wireless connection) and very occasional use of a neighbor (wireless connection) who checks her email. But, she's often gone. And, these outages DO seem to occur when it's ME online and when I'm using the internet heavily.
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Oct 31, 2010
I have been experiencing severe drops of my internet connection in OSX. I have tried different routers and multiple computers in the house but it's clearly my MBP that randomly looses its internet connection (WLAN stays connected). It's getting really frustrating. Is anyone else experiencing similar issues?
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Aug 30, 2014
I have a mid 2010 macbook pro. I recently had to get a new hard drive and the guys at the Apple store went ahead and updates my software to mavericks. I hadmt had any problems for over a month. However, I've started having a problem with connecting wirelessly. Whenever I first open my laptop, it starts to connect to wifi, but comes up with the ! symbol. I know it's not the wifi because all my other devices haven't had a problem and it's been happening on my home and college wifi. At school, I'm able to just turn off airport and turn it back on to get a connection. However, if I do this at home, it initially connects (it shows signal and I'm able to load pages) but drops within a couple minutes. If I turn my router off and on, it connects.
Info:
MacBook Pro, Mac OS X (10.6.8)
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Sep 30, 2009
I'm having issues with using Internet Sharing on my Mac mini. It works perfectly fine for a while, then the connection drops. Printer sharing seems to drop in the same intermittent way. If I turn off Internet Sharing and turn it back on, everything starts working again. I'm running 10.6 on both the mini and the laptop I'm trying to get wireless internet on.
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Apr 26, 2009
So my 6 month old Unibody has had an issue for a while that it drops the internet connection, though keeping the network/WiFi connection. It started out just on campus where there is a campus wide SSID that is unencrypted, though requires a login to start browsing. A restart of the computer fixes this issue, though it always repeats itself (usually after 30-45 minutes of browsing, no downloading). Lately, the issue has been getting worse. It is now dropping the connection on other APs, and even stops the Airport card altogether (KisMac can't even scan). I had a backlight bleeding issue fixed by Apple. Is this connected? I know the airport card is in the screen, so maybe they didn't fix it well.
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Sep 3, 2009
getting network issues with Snow Leopard on their macbook air? I bought the family pack and installed it on my MBP and black Macbook but the macbook air has been acting weird since the upgrade. The internet constantly drops and the browser simply get stuck trying to find a connection, other apps that require internet are also not responding. Usually after a few quits and restarts of the application the internet would come back normal but then later it would drop again. I know its specific to the Air because I dont get issues with the Pro or regular Macbook running right next to the machine. I have tried deleting the WPA2 account and readding it but the problem still shows up frequently. Using the Eithernet USB adaptor doesnt help either
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Mar 22, 2010
We're running an airport extreme as our router. About once every day or every other day, the internet connection drops, but the router is still functioning fine (can connect to the router) and is visible via airport utility. We can't connect to the internet, whether via a wired or wireless connection. In order to get the internet back up, I need to so a restart on the airport utility. This seems odd, but this is the second airport extreme in a row that we've bought that has this problem (the other one lasted two months).
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Apr 8, 2012
I have a 2011 iMac 27 inch I purchased in around December. I have the most updated version of OS X Lion. My wifi connection to my router keeps dropping and losing connection. This does not happen to my other devices (MBP, iPhone, iPad). There was a fix for OSX Lion which worked for a bit but now it's happening again.
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May 13, 2012
installing the 10.7.4 update on my 2011 iMac 27". The symption is that the iMac drop its Wifi connection after a period of time and when that happens the iMac cannot detect any wifi networks in my area (disabling & re-enabling Wifi on the iMac doesn't help). I have to resort to restarting the iMac to revive the wifi interface. Note that my other devices (including my iPhone and my MacBook Air)can connect to my Airport Extreme without any problems.
Info:
iMac, Mac OS X (10.7.4), 27"
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May 28, 2012
My imac constantly drops my wifi connection. Sometimes it'll last 5 minutes, other times less than a minute. And, yet other times, it'll go on for 30 minutes. I've tried deleting the network and the adding it again, reset router, changed channels on the router and countless other solutions with no success. Sometimes, it does not even find my wireless network! My ipad, my wife's macbook pro and my mac air all seem fine on the network and do not drop the signal. What is going on? Could it be my wireless card? Is there any easy way to check if I have a faulty wireless card?
Info:
iMac, Mac OS X (10.7.4)
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Jun 25, 2014
I have full Wifi signal and I'm using multiple device on my Wifi which are all stable except the iMAC. We had a power failure a couple of weeks ago and since then the iMac just won't stay on the network. I have to turn wifi of and then back on to get it to join and that mitt lat 10 minutes.
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Apr 16, 2012
Internet drops out constantly. last software update fixed but only for a short time. Is my iPhone4s the cause?
Info:
iMac (21.5-inch Mid 2010), iOS 5.1
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Apr 25, 2010
i have a router connected to my mac via ethernet. With my windows pc the router works as expected but when connected to the mac it drops the connection frequently. Does anyone have this problem?
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Apr 13, 2010
I have two wifi networks each using identical airport extreme router but different cable companies. The networks are separated by a substantial distance. To my knowledge both are set up identical and using the latest software revision and are accessed by the same MB and MBP.
The problem I am having is that in one location I drop a connection about 2 times a day. The TV signal remains. By turning off Airport Extreme for about 30 seconds and then powering it back up, the connection returns. When I go to reset the router, the indicator light on the AE router is always green.
This cable company claims it is my problem.
The other location (different cable company) has never dropped a signal.
Again, I use the same MBP and MBooks on both networks.
I cannot change the "bad" cable company as there is only one choice in this location.
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Aug 4, 2009
I am able to connect to my wireless router with my laptop airport (powerbook G4) and receive a good signal. 3 or 4 out of 4 bars. When I place my Mac Pro desktop (Early 2009) in the same spot and turn on the airport, it can barely connect to the same network (extremely weak signal) and it drops out constantly. I'm sharing my laptop connection to my desktop at the moment, but I'd rather not have my laptop on all the time. I can't really move my desktop or the router either - I live in a guest house, and the router I connect to is located in the main house.
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Mar 14, 2012
I have a Lion Server running at my house. I often VPN through the server when connecting to public wifi. However if I'm at work and connect to the VPN server and then a 2nd user from work connect to the VPN then the first connection gets dropped. I'm guessing because both connections are coming from the same source IP address. Is there any way to change this behavior?
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Apr 5, 2012
How do I keep WIFI connection when OS X Lion goes into sleep mode?
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Sep 7, 2014
Why does my wireless connection suddenly drops. The icon shows I am connected to the network but there is no connection to the www?
I need to turn off wireless and connect again to be online. Â
--- SPECS -- Model Name: MacBook Air Model Identifier: MacBookAir6,2 Processor Name: Intel Core i5 Processor Speed: 1.3 GHz Number of Processors: 1 Total Number of Cores: 2 L2 Cache (per Core): 256 KB L3 Cache: 3 MB Memory: 4 GB Boot ROM Version: MBA61.0099.B12 SMC Version (system): 2.13f9
Info:
MacBook Air, OS X Mavericks (10.9.2)
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Apr 9, 2010
I posted a similar question on a Win forum but not sure it is a win problem. I have an XP laptop with a wireless connection that seems to drop and reconnect constantly to my TimeMachine airport. I thought it was the firewall on the laptop, but that doesn't seem to be the issue... How do I tell if the Airport itself is causing the problem?? My desktop is bluetooth not airport...
AFAIK all airport software is up to date and I'm on 10.6.3
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Mar 28, 2012
My iMac keeps dropping internet connection. This has only been a problem since installing Lion, it often tells me there is no connection when my iPhone and MacAir work perfectly so i know its not the broadband itself. I also get the message that my network configuration has changed.
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Apr 26, 2012
why my new iMac internet connection is so slow on one of 4 computers on my network?
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May 1, 2012
Keep losing the internet signal on my new i mac
Info:iMac
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Jun 8, 2012
My iMac keeps losing conection to the internet! It is so annoying! What my supposed to do?
Info:
iMac, iOS 5.1.1
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Jul 6, 2012
I have an iMac (without an Airport Base). It is connected to a Sky router through an Ethernet cable but still with wireless capabilities. The internet connection keeps dropping out at regular intervals throughout the day to the point that my partner may just throw it out the window! The router lights still show it is connected as does the wifi signal at the top of the screen. Our iPhones still work even when the Mac drops off.
Info:iMac, Mac OS X (10.7.4)
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Sep 3, 2009
o I took the plunge and giddily purchased Mac OS 10.6 aka Snow Leopard the day it was made available. Usually, I have very little worries being an early adopter to new OS releases considering the successful upgrade experiences I've had through the years of being a Mac user.
After upgrading to Snow Leopard from 10.5.8, my MacBook Pro 17" (2.6 GHz, 4GB RAM, 200GB @7200 RPM HDD, non-unibody) would consistently drop it's internet connection whether it was via Ethernet (wired) or through AirPort (wired and wireless are using DHCP). I've applied several supposed fixes suggested everywhere on the Googled web with limited success:* Reset Network settings, deleted "Automatic" settings and created a new setting (called untitled)
* Zap the PRAM (hold Command+Option+P+R on restart)
* Flush the DNS cache(using: dscacheutil -flushcache on the Terminal)
These 'fixes' worked only for a few minutes, and the internet connection would eventually drop again. NOTE: Although other computers and drives were visible on my network, and Instant Messaging via Adium is still functional, which is weird, I could not connect to the internet through a browser, or connect Mail.app or even to the iTunes store.
Tired and frustrated at this point, I decided to finally call Apple Support (Case #134733179) and was suggested to try the following steps:* Shutdown the MacBook Pro, remove battery, disconnect the power, and then hold the Power Key for 15 seconds. After which I was told to replace the battery, reconnect power and zap PRAM and wait for 2 chimes before letting the keys go.
I was able to get connection for a while but lost it again after a few minutes of usability.And so I called again and was told this time to try:* Trash the SystemConfiguration folder (~/Library/Preferences/SystemConfiguration) and all of it's contents... then reboot.
The above suggestion seemed logical as it would obliterate any existing preferences that may be corrupted and affecting the connection setup. The system would then recreate a fresh preference file free of any lingering old settings. This again worked for a while, but sadly, my wired and wireless connection both drops within a few minutes of usage. It is also worth noting that simply restarting the MacBook Pro regains connectivity as well but drops after a few minutes on both Ethernet and Airport settings.
So today has been an unproductive day considering I spent all my efforts troubleshooting Snow Leopard (10.6) on the MacBook Pro, and couple that with the inability to use several key functionality such as SynergyKM to sync all three machines I have with one keyboard/mouse (not to mention the unpredictable behavior Adobe CS3 has been displaying (especially InDesign losing menus and drawing blank palettes!) and the loss of Letterbox's (plugin) features on Mail.app) and I am now forced to downgrade back to 10.5.8 via Time Machine Restore until Apple resolves or acknowledges this problem (or some knowledgable individual throws this dog a bone and help me out of this misery).In the meantime, I need to get work done and something as fundamental as a stable internet connection should have been high on Apple's "must work" priority list.
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Jan 16, 2010
I have a one year old Netgear wifi router that I use at home (two MacBooks and two iPhones connect to it).. Since Monday I have been battling with the the router via wifi (it works perfectly if I connect via cable). My macs or iPhones keep getting disconnected from the router, and when I try to reconnect it's a 10 minute hassle as it keeps timing out or stating the password is incorrect, when in fact it's not. When I do eventually reconnect via wifi it lasts only a short while before it disconnects again. And whenever I restart a computer from standby it won't automatically join the network and then I have to go through the whole timeout/incorrect password episode again. Also, before disconnecting it's sometimes incredibly slow. Even to connect to router's setup page takes five minutes load the page.
I've reset the modem, resetup my devices, chnages passwords, and still I get the same problem.
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Jul 10, 2010
I used to have a problem with my late-2006 13" white MacBook where, if I opened up a bunch of Safari tabs/windows at a time, or a bunch too quickly, or was downloading podcasts with iTunes and opened up another internet-dependent app?my wireless connection would drop. I would still see the full signal strength in the menu bar (all four "bars" of that rounded signal monitor), but the Up and Down activity would drop to 0.
The only way to re-start the connection was to click on the signal monitor, select Turn Airport Off, and then just select Turn Airport (back) On. Only then, would the connection come back on. This was a pain, especially if I was in the middle of a big download, as I usually had to restart the whole download..................
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Mar 13, 2012
Recently just switched from 16mbps to 100mbps internet connection. Internet is connected tru Wifi and max speed i get is nothing more than 15mpbs and if connected through ethernet ill get speed more than 80mpbs. How to acheive 80-100mpbs tru Wifi? Called my service provider and reason given was that my network card doesnt support or its an old network card but my iMac is new
Info:
iMac, Mac OS X (10.7.3)
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Mar 19, 2012
Since last week my iMac (Early 2009, OS 10.7.3) has been dropping its connection to the Internet. I'm using a router connected to an Airport Extreme and connect to it via WiFi. I tried connecting via Ethernet cable from modem to iMac but it would drop the connection entirely, which is why I had been connecting via WiFi. I have no problem with my other devices (iPad, iPhone and MacBook, this one with 10.7.2 installed), they connect immediately to the Internet and all, even the iMac, are able to connect to each other.Â
I already tried restaring the Airport Extreme, zapped the PRAM, reset the SMC, repaired permissions, disconnected the router and Airport from the power source and it still won't connect. Last time this happened, my iMac went to sleep and dropped the Internet connection after waking. I put it back to sleep and woke it using the power button as someone had suggested in another post, that helped and the connection was reestablished. This morning the iMac it was working fine, did not go to sleep at any time and suddenly dropped the connection, which I haven't been able to restore since.Â
Info:
iMac, Mac OS X (10.7.3), 24-inch, Early 2009
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