HT1338 wifi dropping new mac mini

I have recently upgraded to a new mac mini 2.3 GHz Intel i5 with 8GB 1333 DDR3 of ram. The comptuer is four days old and about every 20 minutes, the wifi signal drops and will not reconnect without a manual selection.
I have gone through many steps, removed all wifi signals, all software is updated and I have installed nothing new. The system worked fine the first day, the last three have been irritating.
FYI< I have two macbook pro, four Intel minis, two airs in addition to this one that are all running fine on the network. I have a T3 and a professionally installed internal network.
Any suggestions would be appreciated.
jt

Same issue here. 2012 MacMini, looses connection randomly. 2008 MBP running also Montain Lion, and 2012 MBPro with Lion in same room, work just fine.
It reconnects after clicking on WiFi in menu bar, but on its own is gone withing 1-2 hour. Very annoying.

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Dropping WiFi Connections after new Mac Min and Upgrade

First of all does anyone know why this discussion was archived when there was never a solution posted?
https://discussions.apple.com/message/12586041?tstart=0#12586041
Secondly (why I found that thread among many others addressing the same problem). I received a new Mac Mini for XMas (cool, I needed it) which worked fine with my other computer and devices (2 iPads, 2 iPhones, 2 Win7 Laptops and 2 Win7 desktops) for a couple days, so I thought. Now all these devices got along very well until Mr. Mini comes along. Then I note wireless drops occasionally, it seemed to come back so I wasn't too upset, yet and decided to deal with it later and enjoy my vacation.
Now, after I allowed Leopard to do its upgrade (I had deferred that) I now have all the above devices dropping wifi and physical LAN connections as long as this Mini is powered on. I shut it off, Internet is blazing, I turn it on, Internet falters and screeches to a halt.
Since all my other devices have worked cooperatively for several years and this device comes along and crashed the party im pretty convinced its not my router or computers. I am not interested in trial and error here. i have many better more important things to do and this is Apples responsability to figure out. I am a very savy IT dude (career professional) and want to get to the bottom of this for everyone.
Soooo.... What changed? Why does this device kill my network when it is turned on (note, no alterations from out-of-the box to any network protocol or config.) and why does a thread (one of many) without a solution get trumped on by Apple?
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Transfer old MacBook Pro files to new Mac mini via wifi stuck

I'm going through the setup of my new Mac mini. The first thing it is having me do is transfer old data and applications via wifi from my MacBook Pro (running snow leopard) it is taking forever (over 24 hours now) and apparently stuck. How do I stop and restart the transfer using Ethernet cable or FireWire to speed up the transfer process. This is a brand new mini running some version of mountain lion. Thanks!

How are you transferring the files now?
To me the easiest, most reliable, and generally fastest method is..
With both computers powered down connect them back to back with a firewire cable
Boot the old computer into Firewire Target Disk Mode by holding down the T key during boot
Boot the new computer and the old computer should appear on the desktop as a firewire drive
On the new computer launch Migration Assistant (found in /Applictions/Utilities)
Follow MA's on screen prompts to transfer the data from another disk drive (the old computer running in Firewire Target Disk mde) This last step is best performed during the initial setup of the new computer when prompted early in the initial setup phase

Brand New Mac Mini drops network after a few minutes

My new Mac Mini (Core Duo) arrived a couple of days back and I couldn't wait to set it up. The next thing I did was to download all the latest updates but the network connection kept dropping after a few minutes (seemingly randomly). This is the wired connection (not airport) and all other computers on the network are working fine.
I thought it might have been a problem with the updates site but now I'm trying to copy my data across the network from my old Windows XP PC (I want to switch) and the connection hangs again after a few minutes.
The only way to get the network back up is to reboot the system, then it works okay for a few more minutes. I've changed the Ethernet cable and the other PCs are working fine - it's just the Mac that has issues.
I wondered if the network card is faulty but does anyone have any other ideas?
I guess as this is only a few days old Apple might exchange it?
</Mark>
Mac Mini Core Duo Mac OS X (10.4.7)

Hi John,
My ISP is PlusNet and there are 2 Windows XP PCs, a Windows 2003 Server, 2 Windows 2003 virtual servers, an HP printer, a DLink Wireless Access Point and a Linksys NSLU2 NAS box all working perfectly happily here - the Mac is the only machine that doesn't want to play.
The router only has a single Ethernet port so that's connected to a Netgear 10/100Mbps hub which the other devices use.
In addition it's all NATted so the ISP could only block my external IP address - they don't have access to the router config and in any case all the other devices are communicating with the Internet over the ADSL link with no problems so I think I can rule out the ISP doing anything nasty.
Thanks for the suggestion anyway.
So... here's the progress to date:
I spent two hours on the phone to Apple Support at national rate phone charges. I finally snapped when they asked me to check the firewall settings on my Windows PC (I pointed out that if there was a firewall issue then no data would copy - not several hundred megabytes before timing out). They suggested I took the Mac to an AppleCare centre for diagnosis to see if it could copy files from another Mac (so much for interoperability - they only care that it works with Macs).
I have confirmed that the problem exists on both static IP and DHCP configurations, and whether or not I set the duplex manually or automatically on the network connection. Interestingly it only occurs connected to a 100Mbps/half duplex hub (not a 10/half hub or a 100/full switch or a 100/full crossover cable) but as all the other devices are working fine I can rule out issues withe the hub.
So, now I have the Mac connected to a 100Mbps/full duplex switch, with no other devices connected. That switch has a link to the hub with the other devices connected and on to my ADSL router.
Everything seems to be working but obviously it's not an ideal situation as the Mac should work on the same Ethernet hub as everything else.
Thanks to everyone for their suggestions. If anyone has any further ideas I'd love to hear from you.
Cheers, Mark

Poor WiFi performance on new Mac Mini ?

My new mac mini purchased a few days ago (late 2009) was exhibiting abysmal WiFi performance on 802.11n 5Ghz. I was barely getting 1Mbyte/sec through it, despite good signal strength (-50db), and my iMac which is feet away on -58db is giving almost 18Mbyte/sec...
Anyway - after much gnashing of teeth, and even placing the mini next to my extreme basestation I gave up, then tried, out of desperation, resetting the PRAM... Fixed!
Why on earth a brand new machine should need this doing, I'm not sure, but the old Alt-Cmd-P-R at boot up, waiting for the second BONG, and then letting it continue, fixed everything, and it now zooms along as fast as my other Macs.
Just for info - hope it helps someone!

These are pings from my iMac to .02 (mbpro) and .11 macmini
the mbpro is sat right next to the mac mini... rebooting the mini sorts this out... Come on, somebody must have this problem as well?
PING 192.168.0.2 (192.168.0.2): 56 data bytes
64 bytes from 192.168.0.2: icmp_seq=0 ttl=64 time=1.765 ms
64 bytes from 192.168.0.2: icmp_seq=1 ttl=64 time=0.787 ms
64 bytes from 192.168.0.2: icmp_seq=2 ttl=64 time=0.765 ms
64 bytes from 192.168.0.2: icmp_seq=3 ttl=64 time=0.888 ms
64 bytes from 192.168.0.2: icmp_seq=4 ttl=64 time=0.862 ms
64 bytes from 192.168.0.2: icmp_seq=5 ttl=64 time=0.911 ms
64 bytes from 192.168.0.2: icmp_seq=6 ttl=64 time=1.197 ms
^C
--- 192.168.0.2 ping statistics ---
7 packets transmitted, 7 packets received, 0% packet loss
round-trip min/avg/max/stddev = 0.765/1.025/1.765/0.329 ms
imac1-sant:~ steves$ ping 192.168.0.11
PING 192.168.0.11 (192.168.0.11): 56 data bytes
64 bytes from 192.168.0.11: icmp_seq=0 ttl=64 time=667.107 ms
64 bytes from 192.168.0.11: icmp_seq=1 ttl=64 time=180.341 ms
64 bytes from 192.168.0.11: icmp_seq=2 ttl=64 time=99.633 ms
64 bytes from 192.168.0.11: icmp_seq=3 ttl=64 time=22.600 ms
64 bytes from 192.168.0.11: icmp_seq=4 ttl=64 time=250.583 ms
64 bytes from 192.168.0.11: icmp_seq=5 ttl=64 time=173.842 ms
64 bytes from 192.168.0.11: icmp_seq=6 ttl=64 time=96.888 ms

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I have an eMac (PPC) which is currently maxed out at 10.5.8. I was thinking of upgrading to a mac mini. My only concern is that I currently have an old mac mini (late 2006) and it's ability to use wifi with its internal airport interface is severely limited. The only placment I have found this mac mini to reliably work in is if the mac mini and the wifi router (belkin) are located in the same room. The eMac I'm thinking about replacing is on a different floor than the router it's airport interface just works, as do all of our laptops. I understand that some the wifi problems with this mac mini might have to do with the antenna placement in its chassis. So my question is has Apple improved the reliability of the airport interface in the mac mini ?

The router is really NOT the issue as far as I can tell. Laptops situated right next to the mac mini have no problem getting and maintaining a connection. The eMac with a much older airport card and situated on the same floor as the mac mini, maintains its connection as well. The late 2006 mac mini initially starts off with a good connection but within 10-20 minutes after startup, the connection goes bad, and won't return no matter how many times one reboots. If I shutdown the mac mini and restart it after an hour or so, the connection becomes solid again for about 10-20 minutes. Interestingly, when the mac mini is in the same room as the router, the connection starts out solid and stays solid.
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Quality issues with new Mac Mini 09?

I've been itching to hit the 'buy' button -- but in reading the many postings about the new Mac Mini, I'm seeing lots of issues with the bluetooth ... *wireless signal* ...
Is there anyone who's not experiencing any problems?
Sounds like it may be a hardware issue with connections... the last thing I want.
My other choice is the 2008 Mac Pro which seems trouble free.
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Thanks.

There is a general issue/trend with the new Mini. There are plenty of reports in these forums and the news has begun to hit the wider press; I guess this is more important to a company with only 2-3% desktop share than posts to these forums. I went to the Genius Bar on Saturday and they have now lodged an official bug report with Apple. It looks like the Mini cannot pair with more than one HCI device. So if you pair with the mouse first the keyboard won't work and vice-versa. They don't think the Mini hardware is broken but that we will just have to wait for Apple to fix the firmware.
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My mac mini is damaged?

I'm seeing same problem - new mini mac dropping internet randomly during the day.
I bought the 1-year Mac program where I can go in for classes. I'll schedule one to talk through this.
I'll also do all the software upgrades.
Seems like a pretty general problem. Maybe it'll get some attention.
My wife hates the mac as a result of these problem.
Most of the time we end up cycling power on the router downstairs, which is a 2-5 minute fix, that's a pain 3 times daily.

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rskover

Thank you Tim but the computer is packed back waiting for TNT to take it back to Apple. I don't have time to play with permissions, the permissions are OK in the old computer.
This is what may have been your problem. The permissions on your old computer may not have matched the new computer. I think you gave up before the penny dropped.
They sell the computers very expensive and I think they would have to improve quality.
I am unsure how that can be one of your gripes as when the cube came out it was way overpriced in comparison to their other desktops. That did not stop your or I getting one then.
Your issue was a software problem not a hardware problem so no matter what kind of mac you had it would have needed troubleshooting.
The quality of the new mac mini far exceeds that of the cube. Try playing 1080P high definition media on your cube, or even 480P for that matter. Try outputting 5.1 surround sound from your cube without the addition of a firewire audio interface.
I know how frustrating it can be when something just does not seem to work. I have encountered this a few times in my work. However sometimes I just have leave it come back with fresh eyes and try other approaches and I succeed.
What you need to appreciate installing an upgrade should be planned for any eventuality. In business upgrades are scheduled to have the minimum impact on the workplace. That being said I have worked 48 hrs solid over a weekend getting systems up for a monday morning. They are not always straightforward.

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HT1338 wifi dropping new mac mini

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