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This kind of thing is why I always wait for the second version of a new Apple product.
I feel much the same. That's why I'm sticking with my still useful (and loaded to the gills) 2012 i7 Mac mini. Call it "Better the devil I know, than the devil I don't." And by the time I really do need to replace that aging Mac mini, the software I use will be ported over to the new chips. That's one less issue to trouble me.
 
Bluetooth connectivity issues have been in multiple releases now. I think the odds are high that it will be in the next release as well.
I’m worried about this: how Apple never fixed that? This bug started with the 2018 Mini (sometimes I got it too on my mini 2014 so maybe its origins are there) and we got the same awful bug on the new M1... I can wait until my mini will die but then? Btw my ssd is around 92% life after 6 years so i think i can survive 🤣
I will use the Lan connection so maybe i could work smoothly... who knows? Of course, working sometimes with fcpx, would be great using the new mini as it would be faster than mine...
 
I’m worried about this: how Apple never fixed that? This bug started with the 2018 Mini (sometimes I got it too on my mini 2014 so maybe its origins are there) and we got the same awful bug on the new M1... I can wait until my mini will die but then? Btw my ssd is around 92% life after 6 years so i think i can survive 🤣
I will use the Lan connection so maybe i could work smoothly... who knows? Of course, working sometimes with fcpx, would be great using the new mini as it would be faster than mine...
I hate to say it but the solution is to avoid using mouse (and keyboard if you have issues with that) that use Apple's Bluetooth chip. I hardly never have an issue with my Apple keyboard, so I'm just going to replace the mouse. I'm looking for a mouse that will match my keyboard (space gray) and that is reliable. I like a trackball mouse, so may be I'll get one of those.
 
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I hate to say it but the solution is to avoid using mouse (and keyboard if you have issues with that) that use Apple's Bluetooth chip. I hardly never have an issue with my Apple keyboard, so I'm just going to replace the mouse. I'm looking for a mouse that will match my keyboard (space gray) and that is reliable.
I would like to buy a full apple keyboard (i’ve the small one) and maybe the new mouse too... 🤣 just to not waste more ports... well i’ll wait a bit more to see if Apple will say something about this.
 
I can't find the thread where I got the solution from. Basically go to
System Prefs>Security & Privacy>Location Services>System Services>Details
and un-check Wifi Networking. My cheap BT Keyboard and Mouse are now reliable. It's like night and day from when I first started using them. I typed this post with the BT Keyboard and no lag or delay. Thank you to whoever posted that. Hope it works for everyone. I have a base M1 Mac mini and it's connected wirelessly on my network.
I have tried this solution and I'm still having the same Bluetooth issues with my M1 Mac mini. It's not a fix.
 
This is a constant Mac OS Issue, not an Apple Silicon issue. Have had this problem for YEARS with various Macs. Try connecting a keyboard, mouse and bluetooth trackpad all through bluetooth. Good luck. I've had to cable at least the trackpad to stop the stuttering and intermittent shutoffs.

It is random and has not been fixed. on ATP Casey talked about it in regards to his iMac Pro a few months back.
Of course, glitches have made it through on certain OS releases, but BT problems aren't always software-based. For example...
Actually, previous Mac Mini is exhibit similar issues, especially when USB3 peripheral connected, thus causing wireless interference.

The M1 one seems same in terms of construction, based on teardown.
Simply explained in the following article.
And it's not specific to Macs...
Microsoft said:
  • Make sure your Bluetooth device is in range. If your Bluetooth device is unresponsive or sluggish, check to make sure it’s not too close to any other USB device that’s plugged into a USB 3.0 port. Unshielded USB devices can sometimes interfere with Bluetooth connections.
 
Ok so basically if i don’t use usb3 devices i i should have a stable connection? Actually i moved some hardware to a win pc for the lack of drivers so on the mini i’ve just 3 external usb hdd. I don’t need wifi too except for airdrop as i’m wired to my LAN.
 
The Bluetooth on my new M1 Mini is absolutely horrible to the point it’s basically useless. I was using a brand new Apple Magic keyboard and magic mouse. Every time I go to wake it from sleep, it wouldn’t respond because both would disconnect while asleep. I have to plug in the usb cable to the magic keyboard to wake up the machine. I have given up on it and just permanently leave the usb cable connected now as well as a wired mouse. I’m still within the return window and I’m very tempted to send it back and stick with my 2013 iMac for another year until things get better. How did Apple overlook this critical issue? Unreal.
 
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But as others told, do you have usb3 devices connected? I think no as you stated you have a wired keyboard and wired mouse, unless you’re using a usb3 hub. If so, I may agree to wait the next generation. What a shame...
 
I'm thinking this is a Mac OS issue. I have a MacBook Pro M1 with a Logitech MX Master 3 for Mac (bluetooth) and have the random mouse disconnects in Mac OS. However, I also have NVIDIA GeForce Now gaming app with "Direct mouse input" enabled and I can play for hours with no mouse glitches. Any explanation for that? The minute I exit back to Mac OS I start to have the drop outs.
 
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Another vote for this being a Big Sur issue, or it also being a Big Sur issue. I have a 2019 Mac Pro with Magic Keyboard, Magic Trackpad 2, and Magic Mouse 2. The keyboard / trackpad / mouse were all pretty solid under Catalina (not perfect, but pretty solid). Under Big Sur I get intermittent pauses, lasting seconds, where no input device works. If I was typing the keystrokes will be queued and all blurt out after a pause. The trackpad is nearly unusable. Nothing has changed but the upgrade from Catalina to Big Sur.

I reconnected the keyboard and trackpad via USB to Lightning. They work fine over USB.

I just noticed something that could confirm that this is a pure software issue.

Running a MX Anywhere 3 mouse in Bluetooth on my new MBP M1 with Big Sur 11.1:
- The mouse is PERFECTLY SMOOTH on the login screen. I mean: absolutely perfect. Note that this must be after a reboot, not just a log out from your session.
- But just after login, I get the same problem that many people described: mouse pointer is generally more laggy, and kind of very laggy from time to time, in a random way.

Can anyone try to reproduce and confirm this?
If so, maybe it would mean that some service which is run after logging phase is creating this issue.
 
Finally gave up and called Apple Support about this. Mouse and keyboard disconnecting constantly.

Got to level 2 support and they said the Engineering team is aware of this issue. hopefully that's true because this is extremely disappointing behavior.
 
I feel much the same. That's why I'm sticking with my still useful (and loaded to the gills) 2012 i7 Mac mini. Call it "Better the devil I know, than the devil I don't." And by the time I really do need to replace that aging Mac mini, the software I use will be ported over to the new chips. That's one less issue to trouble me.
Well, well stated! I have a late 2018 Mac Mini, and plan on using it for a few more years. For the M1 machines, there is still the issue of third party software compatibility, and apparently with some third party hardware. And of course there are the issues with Big Sur itself.
 
And of course there are the issues with Big Sur itself.
Fortunately, my current Mac doesn’t (officially) support macOS 11, I can’t recall any compelling features, and the UI colors appear a lot more faint, lower contrast — definitely not ideal for me.

Nevertheless, I do expect to buy an M series Mac in 2021. So, hopefully, Apple gets to most of the issues or macOS 12 is an extra polish update.
 
Well, well stated! I have a late 2018 Mac Mini, and plan on using it for a few more years. For the M1 machines, there is still the issue of third party software compatibility, and apparently with some third party hardware. And of course there are the issues with Big Sur itself.
My M1 Mini has basically the same issues as my '18 Mini. Bluetooth and video issues.

Apple Mouse 2 disconnect issues. My Apple Keyboard disconnects about once a quarter or so, so not a big issue.

I've had a few video issues.

On '18 Mini, Video is an issue. HDMI to HDMI has a sleep/wake issue. TB3 to DP has fewer issues but one does pop up every so often.
On M1 Mini, TB3 to DP is washed out. HDMI to HDMI mostly stable, with a sleep/wake issue every once in a while. M1 or Big Sur notes I have a 4K monitor but the resolution is set for 5K.

I do not have many programs that I use. I got back into Macs again in '18, so my list of apps are all pretty modern. I have not run into anything yet that Rosetta hasn't been able to run perfectly.

One issue I do not have on my M1 is heat. There is literally no warmth, 99% of the time on my M1 but the '18 Mini was always warm to hot depending on what I was doing. M1 is a lot quicker at everything, so far, even browsing the web.
 
This started happening to me yesterday, sometimes every few minutes then is OK for an hour then it returns. Both the Magic Mouse and Keyboard at the same time.
 
This is happening a dozen times a day now, starting yesterday. For both keyboard & mouse. Mac Mini is 1 month old.

Anyone else?
 
This is happening a dozen times a day now, starting yesterday. For both keyboard & mouse. Mac Mini is 1 month old.

Anyone else?
I had a week or so of my Magic Trackpad 2 stuttering then seemingky disconnecting. I had to connect the USB-Lightning cable to reestablish a stable connection. As surprisingly as the problem began, one day the connection was completely fine again. By the way, my first generation Apple Wireless Keyboard never had a problem.

Beyond USB3/TB3 interference...
...The following thread from four years ago sparkEd a theory.
Could the BT connection failures indeed be am interference/crosstalk problem similar to Wi-FI? That is, when establishing a connection, the devices happen to choose the same RF channel as another nearby RF connection. Even though the devices encounter interference, they don’t attempt to connect on a different channel, at least not until perhaps many attempts later. I’m not strongly familiar with the BT protocol, not aware of a method to test/verify, nor a fix.
 
The BT issue also affects 2018 mini, which has been a problem for me with the Magic Trackpad and Apple Magic Keyboard. If I keep it wired, there are no problems.

I won't be upgrading my mini to the new M1 until the problem is resolved.
 
I had a week or so of my Magic Trackpad 2 stuttering then seemingky disconnecting. I had to connect the USB-Lightning cable to reestablish a stable connection. As surprisingly as the problem began, one day the connection was completely fine again. By the way, my first generation Apple Wireless Keyboard never had a problem.

Thank you. I plugged both the mouse & keyboard in - I did not see any indication on-screen acknowledging any effects of my plugging them in, but I did so and will see if I have no disconnects for the next few days.

If the bluetooth drops stop, I'll be happy to return to my only gripes about the keyboard being: I hate the short-travel keys (are these butterfly keys?) and I hate the arrows not being in the T-shape. I lost my ability to not need to look down when placing my fingers onto the arrow keys, or -- it takes a bit more work/time for me to first touch the closest edge of the right/down/left arrow keys, to get alignment and then be able to hit the up arrow key. I assume Apple went away from the T-shape arrow keys in order to make the keyboard look more symmetrical...another reduction in the function of an Apple product for the sake of fashion.
 
Just happened again this morning. I shut down a nearby bluetooth speaker to see if there's any crosstalk interference, by chance.
 
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