MacBook Pro :: Wifi Very Slow On 2012 Retina?

Jul 4, 2012

i just got my 2012 Retina MBP and i absolutely love it. there's one problem though. wifi is EXTREMELY slow.

we have a campus-wide 802.11n network, all my other devices work flawlessly.

can i somehow force my MBP NOT to use the 5 GHz band but to stay at 2.4 GHz? I believe i somewhere read that this could fix the problem. ethernet via thunderbolt works as supposed.

Info:
MacBook Pro with Retina display, Mac OS X (10.7.4)

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MacBook Air :: Wifi Is Very Slow On 13" Mid 2012

Jun 30, 2012

I'm experiencing very slow speeds on my new Macbook Air 13" mid 2012. For example when I'm transferring files from my NAS, a Qnap TS-259 Pro+, wirelessly through my D-Link DIR 855 router. I barely reach speeds around 1MB/s. If I use my Windows 7 laptop, that sits right next to my Mac, to transfer the exact same file I get constant speeds around 6MB/s. That's six times faster. 

Is there a known issue with the wifi that I've missed? 

I did some further testing to try and identify the cause of the wifi problem. I installed Windows 7 in Parallels and transferred the exact the same files once again. Here's where it becomes interesting. Transferring those same files on my Macbook, using Windows 7 under Parallels, the speed was the same as it was on my physical Windows 7 machine, i.e. a constant speed of around 6MB/s. I then switched back to Mac OSX again and the speed once again decreased to around 1MB/s.

Info:
MacBook Air, Mac OS X (10.7.4)

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MacBook Air :: 2012 11" Slow On 5Ghz Airport Extreme Wifi Network?

Jun 29, 2012

I'm encountering an issue with a new Macbook Air and would grateful for any insights. I have an Airport Extreme (latest model, 5th gen, A1408) based network (all updates applied). I have a new 2012 MacBook Air (11") that I noticed was suffering from VERY slow wifi speeds. After looking into it, I realized that if I used the configuration utility to separately name the 5GHz network and connect to wifi on the 2.4 Ghz network, the speed radically improved. 

To illustrate, using speedtest.net, I saw download speeds of 35-38 Mb/s using the 2.4 Ghz network. This drops to 2-3 Mb/s when using the 5 Ghz network. The Macbook Air is showing an RSSI value of -56 when connected via 5 GHz and -51 when connected via 2.4 Ghz. 

Other deivces in the home have normal connection speeds on the 5 GHz network, as does a previous generation, 2011 MacBook Air.A friend's also new, 2012  11" MacBook Air exhibits the same symptoms, so the issue is not specific to my unit. 

Info:
MacBook Air, Mac OS X (10.7.4)

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MacBook Pro :: Use Multiple Dvi Monitors On The 2012 Non-retina?

Jul 2, 2012

What is the best way to connect two Dell DVI monitors I already have with my new 15" MBP (non-retina)?

Info:
MacBook Pro, Mac OS X (10.7.4)

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MacBook Pro :: 2012 Retina Screen Getting Scrambled?

Sep 4, 2014

I've been using my MacBook Pro 2012 Retina with an external monitor lately with the lid closed. Today I tried open the lid without having the external monitor connected and that worked fine for a few minutes. But then the screen got "scrambled".... It's hard to explain but it seems that some pixels are dragged vertically. See attached image. Doesn't seem to stop doing this. If I restart the computer it might look OK for a few seconds, but then it will start looking like this again. If I shut down the computer and wait a while until I turn it back on, it will stay OK longer, but will eventually start getting "scrambled" again. 

Just as I was writing this question, using my external monitor, the scramble effect stopped and my MacBook screen returned to normal. Not sure how long it's going to last and I would still like to know more about this. 

My MacBook is also really hot right above the F3-F7 keys. 

Info:
MacBook Pro (Retina, Mid 2012), OS X Mavericks (10.9.4)

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MacBook Pro :: Retina Mid 2012 - Powers Off While Sleeping

Aug 29, 2014

I have a recently-purchased MBP Retina 15 inch from Mid 2012. 

Every time that I put my laptop laptop to sleep while it is on battery, it sleeps fine for about an hour.  After an hour or so, I hear the boot sound come from the laptop.  When I open the screen at that point, the laptop is powered off.  I have to power up the laptop.  The laptop is not in hibernate mode, but has actually shut down (pressing other keys on the keyboard doesn't wake it up, I have to use the power button).   

Applications start back up when I log in, however for example VMWare has rudely powered off (so I lose the state of my virtual machines), and any terminal programs that I was running (even if I just had a document open in 'vi') are also terminated. 

I wonder, what causes this behavior?  Is my system defective in some way, or is there an OS tweak in Mavericks to stop the computer from rudely powering off/force quitting all open apps in the process? 

I've read that OS X now likes to hibernate laptops after an hour, but clearly hibernation isn't what's happening here. 

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)

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MacBook Pro :: HDMI On 2012 Retina Stopped Working?

Jul 4, 2012

I'm using the macbook pro 2012 retina. The HDMI out to an external monitor works stopped working recently and only works if I'm connected when rebooting. This might have happened after a software update.

Info:
MacBook Pro (Retina, Mid 2012), Mac OS X (10.7.4)

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Jun 20, 2014

My MacBook Pro Retina, Mid 2012 at Mavericks 10.9.3 is freezing up several times a week -- often happens, but not limited to, using the Application Window key. 

Processor  2.6 GHz Intel Core i7

Memory  16 GB 1600 MHz DDR3

Graphics  Intel HD Graphics 4000

Software  OS X 10.9.3 (13D65)Filesystem      Size   Used  Avail Capacity  iused    ifree %iused  Mounted on/dev/disk0s2   465Gi  328Gi  137Gi    71% 86029019 35899210   71%   /devfs          182Ki  182Ki    0Bi   100%      628        0  100%   /devmap -hosts       0Bi    0Bi    0Bi   100%        0        0  100%   /netmap auto_home    0Bi    0Bi    0Bi   100%        0        0  100%   /home

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Sep 11, 2014

I tried to reboot my macbook pro retina 2012 and I held down "Option" key while my macbook was restarting but it won't be able to access into the Disc Utility Menu.

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)

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Jun 26, 2014

Can I install window server 2012 on Mbpro R display with 8gb Ram and 256ssd

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Jun 20, 2012

I have 2 Macbook Pro's, a 2009 and this brand new one I got today. My external hard drive is a 1 TB clickfree. It has worked for months on my old Mac but when I plug it into my new mac it doesn't even show up in finder or disk utility. I tried the USB ports with another device and they work fine. So it isn't a hard ware issue. The cables are USB 3.0. The external hard drive model number is HD2037N3.I have tried taking everything off (huge pain) and reformatting the drive and still it doesn't recognize it! how I can get my Mac to recognize it?

Info:
MacBook Pro with Retina display, iOS 5.1.1

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Sep 4, 2014

I have some issue with my 2012 Macbook Pro Retina. The screen intermittently decides to just not work. Sometimes on startup i hear the start up noise but the screen doesn't turn on. I am able to remote into the computer when the screen doesn't work. I can't seem to find any rhyme or reason as to when it works and when it doesn't. I've reset the PRAM and SMC sometimes that will bring the screen back sometimes not.  

Info:
MacBook Pro (Retina, Mid 2012), OS X Mavericks (10.9.4)

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MacBook Pro :: (2012) Slow To The Point Of Being Unusable

Dec 9, 2014

My Macbook has begun to run incredibly slow, it's taken me almost an hour to post this. Keep seeing the spinning wheel.

Its been like this for about a week and normally doesn't boot, even in safe mode. Appeared to be a gradual thing, was irritating at first but worsened as I took steps to troubleshoot. Initially cleared browsing history and closed programs, to no avail. I then booted in safe mode and the computer remained slow.

At this point the I was unable to shut down without holding the power key, for about a week I've been turning the macbook on and off into disc utility to try and fix it. When booting normally the progress bar usually gets about halfway and then goes nowhere. At one point I could hear dings (messages from my phone coming through) on the laptop but the startup progress bar was stuck at halfway; almost as if it had successfully booted but wasn't showing me. 

I've repaired disc/disc permissions and reinstalled OSX. I tried to reinstall OSX a second time and an error came up, disc utility also kept showing my hard drive as unmounted and would take forever to let me click anywhere. 

After many failed attempts this eventually allowed me to startup, allbeit slowly (after a particularly fast disc repair) 

My last backup was a while ago and now I've managed to boot up, trying to back up now but this isn't working either. 

I've downloaded etrecheck ...

Problem description:
Mac Running Slow
Unable to backup 
EtreCheck version: 2.1.1 (104)
Report generated 9 December 2014 08:00:22 GMT 

[Code] ......

Info:
MacBook Pro (13-inch Mid 2012), OS X Yosemite (10.10.1)

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Jul 4, 2012

New to a Mac and I just received my new MBP Retina two days ago.  I am having a strange issue where right after i turn on the computer it will connect and drop my wifi connection over and over again.  If i turn wifi off and back on again it fixes the issue. 

I have the latest updates for the MBP so not sure if this is a hardware issue or a software bug. My router is also brand new from Linksys and is working flawlessly once i do the above steps. 

Info:
MacBook Pro (Retina, Mid 2012)

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Sep 12, 2014

On my home wifi the screen flickers on my MBP. It looks like the top bar flashes irratically in the middle of the screen. There are no other issues and works fine otherwise. Just annoying that I can read or see anything...I will attach a video later. Right after I turn off the WiFi it goes back to normal. And of course my warranty expired, so I'm trying to find a solution to this before I spend $350 more on fixing this $2000 machine. 

OS X 10.9.4 
2.3 GHz Intel i7 
8 GB 1600 MHz DDR3 
Intel Graphics HD 4000

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)

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Jun 19, 2012

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Info:
MacBook Pro

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Jun 17, 2014

I have been unable to shutdown or restart my MBP mid 2012 retina (2.6 GHz Intel Core i70, other than by holding down the power button.  I've tried, (safe mode, restore, repair permissions reset PVRAM. etc).  I finally got it to shutdown regularly by eliminating all Divx software on my computer (no easy task), but shutdowns and restarts still hang an unusually long time, about 15 seconds. 

I send console information just before my last BOOT_TIME to see if any process in the time after restart command and boot would give any hints.  Here are the entries, and there appear to be some problems but I cannot interpret them.  I have an external WD passport drive connected (which I can eject before restarting with no noticeable effect, and a USB hub, which I also disconnect to no effect).

6/17/14 10:30:23.684 AM com.apple.launchd.peruser.502[254]: (com.apple.PackageKit.InstallStatus) Throttling respawn: Will start in 8 seconds
6/17/14 10:30:23.730 AM WindowServer[137]: CGXGetConnectionProperty: Invalid connection 55815
6/17/14 10:30:23.730 AM WindowServer[137]: CGXGetConnectionProperty: Invalid connection 55815
6/17/14 10:30:23.730 AM WindowServer[137]: CGXGetConnectionProperty: Invalid connection 55815
6/17/14 10:30:23.731 AM WindowServer[137]: CGXGetConnectionProperty: Invalid connection 55815

[Code]....

Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.3), mid 2012 2.6 Ghz intel core i7 8GB

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Jun 4, 2012

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Info:
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