Bluetooth Interfering with Wi-Fi?

Yea I unplugged the router from the outlet.

But after about 45 min or so, the connection issue came back. So unplugging the router doesn't really do anything.

I've since reverted back to Mavericks and everything is working flawlessly w/o any connection issues or slowdown.

I'll probably just wait for Apple to update Yosemite... that's if they do.

Good luck.

Same issue here. I am a gamer, and playing games over WiFi while using my bluetooth headset just brings both to a crawl. WiFi is extremely sow, and Bluetooth connection is not good either!

I really don't want to reinstall Mavericks, but will have to go thought with it if nothing else works.

I am experiencing the same or similar problem with my MacBook Pro Retina 15" (2012) and a clean install of Mac OS X Yosemite.

I use my computer in clamshell mode at home because I like to work on my large external monitor. And as input devices I use a Magic Trackpad and Apple's Wireless Keyboard, which both use Bluetooth technology. And since the router isn't in the same room as the laptop, I use WiFi to connect to the internet. So both are enabled, Bluetooth and WiFi, pretty much all the time.

After the clean install of the new OS, I noticed a very sluggish behaviour from both Bluetooth devices, resulting in a very noticeable lag in performance. It was often so extreme that both devices were rendered useless. The internet was very slow as well. And I was relying very heavily on the internet to download all the extra apps from the App Store. But it took me ages, even to just download the small apps. I thought I was going crazy.

Then I decided to turn off WiFi. Miraculously, both Bluetooth devices began to work properly again. Then I turned WiFi on again, all the while leaving Bluetooth on. And the problem manifested itself again. Then I decided to turn off Bluetooth this time, and use my old wired keyboard and mouse as input devices. As expected, the internet was faster now, as it used to be before the clean install to OS X.10.

I'm glad to see that I'm not the only one with this particular problem.

I quickly gave Apple a formal feedback report so they will at least see that this problem is real. And that they should work on it for the next update, which will hopefully come soon.

I am experiencing the same or similar problem with my MacBook Pro Retina 15" (2012) and a clean install of Mac OS X Yosemite.

I use my computer in clamshell mode at home because I like to work on my large external monitor. And as input devices I use a Magic Trackpad and Apple's Wireless Keyboard, which both use Bluetooth technology. And since the router isn't in the same room as the laptop, I use WiFi to connect to the internet. So both are enabled, Bluetooth and WiFi, pretty much all the time.

After the clean install of the new OS, I noticed a very sluggish behaviour from both Bluetooth devices, resulting in a very noticeable lag in performance. It was often so extreme that both devices were rendered useless. The internet was very slow as well. And I was relying very heavily on the internet to download all the extra apps from the App Store. But it took me ages, even to just download the small apps. I thought I was going crazy.

Then I decided to turn off WiFi. Miraculously, both Bluetooth devices began to work properly again. Then I turned WiFi on again, all the while leaving Bluetooth on. And the problem manifested itself again. Then I decided to turn off Bluetooth this time, and use my old wired keyboard and mouse as input devices. As expected, the internet was faster now, as it used to be before the clean install to OS X.10.

I'm glad to see that I'm not the only one with this particular problem.

I quickly gave Apple a formal feedback report so they will at least see that this problem is real. And that they should work on it for the next update, which will hopefully come soon.

Exact same problem here. rMBP 13'' late 2013. Went the "upgrade" route from Mavericks (which I miss dearly now) to Yosemite.

Same problem here on my late 2103 rMBP 15". I use my laptop in clamshell mode with an external display and Logitech Bluetooth KB/Trackpad.

Ever since installing Yosemite my Wi-Fi performance has degraded severely and my laptop completely loses its connection to the Wi-Fi network every 10-15 minutes, causing me to have to turn Wi-Fi off and back on in order to reconnect to the network.

I do not experience any Wi-Fi issues when I'm using my laptop on its own with Bluetooth turned off.

Interesting. Just tried the bluetooth troubleshooting and turns out am plagued by the same issue. When I turn off bluetooth on the iMac, wifi speed increases on iPhone and iPad. They are not the best but it's faster. I hope an update fixes this soon.

I tried both doing a clean install of Yosemite and the traditional upgrade and still experience the bluetooth wifi issue. I even tried using a bluetooth USB dongle (which was working in Mavericks), with no luck at all. The USB dongle doesn't even work with Yosemite.

Did anyone try bringing their machine in to the Genius Bar?

I really wish Apple takes care of this soon with an update.

Hello,

I don't quite understand what the solution is to this issue.

Even after the 10.10.1 update my macbook pro 13 retina which I bought only about a month ago and my mac mini late 2009 have severe wifi trouble. I can connect to my router without a problem. But shortly after the internet speed drops to almost nothing. Sereously, Apple, what of a poor quality management regarding your newest OS is this? I thought the Apple USP is that hardware and software is well matched? Doesn't seem to be like this any more.

I found out that I can reproduce the issue:

I am using the latest apple keyboard and magic mouse. And when I turn off bluetooth, wifi starts working again! But I need my mouse and keyboard.. Does anyone have a solution to this already?

Just thought i would wade in with these tests...

I just upgraded to fibre optic broadband. Eager to see the new speeds i was checking them and noticed it was no where near what i was expecting...

until i turned bluetooth off.

rMBP (early 2013) in the same place, literally seconds apart.

So now either my mouse and keyboard is a waste of money, or the fibre broadband is.

Get it sorted apple!

Same here (even with latest Yosemite Beta version 10.10.2 (14C94b) claiming to address WiFi issues), also having an Apple wireless keyboard and trackpad. Switching the WiFi from 2.4 GHz to 5 GHz won't work for me as my WiFi printer doesn't support it. Resetting SMC, Resetting PRAM, Starting in Safe Mode, Changing DNS based on Namebench results, all didn't work.

Here are my Speedtest screenshots (taken within a minute, with Bluetooth enabled and disabled):

https://de.pinterest.com/pin/create/extension/

2013 rMBP, updated to 10.10.2 last night and this issue persists. Spent much of the day doing every "fix" I could find, both here and around the web, all to no avail. I'm having unkind thoughts about life in general right now. Reverting to Mavericks seems the only course of action at this point 😠

It's not going to get resolved. It's not really an issue with Apple devices as such it's more a technological issue. It affects virtually all bluetooth devices, windows ones included.

The issue is that your WiFi is on 2.4Ghz. The bluetooth chip also operates on 2.4Ghz. The bluetooth chip is on the same physical hardware as the WiFi inside your laptop.

You have the bluetooth working on 2.4Ghz and the WiFi also on 2.4Ghz. This is attempting to work on the same chip, using the same antennas, in the exact same area.

The best analogy I can give is as follows. You have an FM radio station on 95.8FM (capital FM in London). Imagine somebody comes along and starts their own radio station next door. They also stick up an antenna next to yours and transmit on 95.8FM.

Now, you try to understand what the radio presenter is saying when there are 2 radio presenters talking at once. You will only understand say 20% of what is happening.

This is exactly the same as using Bluetooth and WiFi on 2.4Ghz. The throughput can drop 5, 10 even 20 times. Both talk at the same time, the data collides mid-air, has to be re-transmitted over and over, resulting in terrible speeds.

This is massively compounded by the fact that the bluetooth and WiFi is trying to co-exist literally right in the same place.

This is why switching to 5Ghz WiFi solves the issues, because the bluetooth now talks on 2.4Ghz and the WiFi on 2.4Ghz. No more issues.

For reference, plusnet only supply 2.4Ghz routers and pretty bad ones at that.

Two things that make believe this is Apple's fault and that they can fix it:

- I actually switched to 5Ghz and Wifi is still unreliable.

- My wifi was rock solid until I installed Yosemite. From then on it was unreliable.

No, it's an issue with Apple devices because (1) it wasn't an issue with Mavericks and only exists since upgrading to Yosemite and (2) it's mainly the BT trackpad that interferes with wifi (while there's no real issue with the wifi keyboard).