presentation remote mac mini only works sporadically

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mac shy Author

Level 1

4 points

presentation remote mac mini only works sporadically

Hi all,

I have a Logitech R400 that needs to be able to control PowerPoint presentations on a Mac mini.

Yesterday, it worked fine.

Today, it only works sporadically and I haven't changed a thing. It's the same presentation even.

Sometimes you can change the slide and sometimes you can't (even when standing very close to the Mac mini).

The specs on this Mac mini are pretty anemic (1.4 GHz and 4 GB memory) but I've closed all apps except PowerPoint and have almost 2 GB free memory.

Any thoughts?

Any help would be most appreciated!

Mike

Mac mini, OS X El Capitan (10.11.6)

Posted on Sep 25, 2016 11:52 AM

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Answer 1

Top-ranking reply

mac shy Author

Level 1

4 points

Sep 26, 2016 5:14 AM in response to lllaass

Hi!

The source of the interference seems to be a USB hub that was plugged into the Mac mini.

Once I took that away the remote worked perfectly.

(Just as it was before I added the USB hub to the mix.)

Thanks again for your help!

Mike

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Answer 2

lllaass

Level 10

210,549 points

Sep 25, 2016 3:06 PM in response to mac shy

Based on

http://www.logitech.com/en-us/product/wireless-presenter-r400

the remote uses a USB wifi dongle and operates on the 2.4 GHz band.

That band is susceptible to interference and I suspect that is causing your problem.

USB 3 devices is one source of interference.

Try using the dongle at the end of a USB extension cable

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Answer 3

mac shy Author

Level 1

4 points

Sep 25, 2016 3:08 PM in response to lllaass

Hi,

Thank you very much for this information

I will try the USB dongle. And will let you know.

Thanks again!

Mike

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