Previous 1 2 3 Next 34 Replies Latest reply: Oct 19, 2013 5:28 AM by Philip Tyler
cscheu Level 1 Level 1 (0 points)

After installing the upgrade to mountain lion my internet connection using safari is very slow. Anyone with the same problem and a solution?

  • astinkypanda Level 1 Level 1 (0 points)

    same problem no solution ...

  • Eazy E Level 2 Level 2 (250 points)

    I mentioned this in another post, but I had a similar issue. After a day, there was an update in the App Store which updated Aperture, iPhoto, Mountain Lion, and something else (can't remember). After installing, it reset my computer. Since then, things to be moving along much faster.  Not sure if it was the update, or just using Safari a few times and resetting a few times, but my speeds are back to normal. Hopefully that helps.  Maybe try seeing if an update is available in the App Store, or restart your computer.  Good luck!

  • little_stormchaser Level 1 Level 1 (0 points)

    Hi there, yes I have the same problem. I just bought a new computer a few days ago as was so pleased with how fast it was, then I installed mountain lion..... and now my computer is as slow as they were about 10 years ago!

  • mzyvosg Level 1 Level 1 (0 points)

    I experienced this problem too, after having excellent operation of Safari in Snow Leopard and Lion on my early 2011 13' i7 MBP. There are a few similar variations of this topic being discussed on the Apple support pages.

     

    Resetting Safari from the 'Safari' menu (checking all items) and restarting seemed to improve the situation but not quite to the performance I perceive I was getting before.

     

    Anyone else had any luck?

  • tborja Level 1 Level 1 (0 points)

    Same problem for me. I tried clearing cache and resetting safari, no luck. I hope apple releases an update soon. I think I'll try out Firefox in the meantime.

  • tborja Level 1 Level 1 (0 points)

    I just installed firefox and it is really fast! i would suggest using firefox until apple can get a fix for safari.

  • Jesper2950 Level 1 Level 1 (0 points)

    Also extremely slow Safari after installing Mountain Lion. After one hour of Apple support, still no solution. Firefox is still working very fast, so bye bye Safari until a solution is found. 

  • mihir virani Level 1 Level 1 (0 points)

    ya i done same and lost my safari speed

  • shortnuke Level 1 Level 1 (0 points)

    I upgraded to ML yesterday.  It's not just Safari that's slow.  It seems like everything connecting to the network is slow.  I run Chrome...slow.  Major lag in online games making them pretty much unplayable.  I did an internet speed check on my iMac and a Win7 PC (both with gigabit network ports connected to the same gigabit switch). The Win7 PC shows ~5,000 kbps download/~2,000 kbps upload.  The iMac with ML shows ~450 kbps download/230 kbps upload.  I seriously hope that we can get some tuning guidance to fix this.

  • jono1949 Level 1 Level 1 (0 points)

    Totally same thing here.  Internet working well until the installation of Mountain Lion - now its a crawl, with Safari, Chrome and uploading to DropBox...  Anyone got any work arounds??

  • shortnuke Level 1 Level 1 (0 points)

    I was able to resolve the problem by disabling my WiFi on the iMac and just using the ethernet. 

     

    Maybe ML updated the WiFi in some way that is causing issues between the cards on the machine and the WiFi routers/access points.  I've seen this happen in business settings when firmware updates get applied to the WLAN system that cause issues with some wireless adapters.  Usually, updating the driver on the wireless adapters can fix the problem.  This may be a reverse case.

     

    For reference, I'm using a Linksys 4200 with the current firmware version 1.0.00.  I've checked the support site and found that 1.0.04 is available.  I'll upgrade the firmware and test it out to see if that makes a difference.

  • shortnuke Level 1 Level 1 (0 points)

    Finished the firmware upgrade on the router, disconnected the ethernet cable, and re-enabled wifi on the iMac.  I'm back up to normal networking speeds now.  Looking at the release notes for the router's firmware, it looks like there were quite a few updates to support IPv6.  I didn't see anything listed around IPv6 in the features for ML, but if ML made some changes to support IPv6 and your router isn't set up to handle it you get the issues I got.

  • jono1949 Level 1 Level 1 (0 points)

    Thanks for your advice.  I am away from the iMac for a cope of weeks on vacation but will try your advice on return.  I may have problems with firmware update in the router as its a Sky supplied box....

  • JvdBrink Level 1 Level 1 (0 points)

    Chrome is a lot faster.... )-:

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