I’m trying to pair a Dell KM7120W Wireless Keyboard and Mouse to second pc with a Dell dongle in each pc
One Dell Laptop and One Pro Tower Have aDell Dongle in each pc
I can pair both keyboard and mouse to either pc on channel 1
How do connect to the other pc with dongle on a different channel?
I thought you needed a dongle on both pcs. Or is it that you can only pair on one pc with a dongle (channel 1) and you cannot connect via the other dongle to channel 2? Bluetooth only? like my Logitech Master Mice?☹️🤔
I don't have any of that, but I wanted to mention ...
I've found that a Bluetooth (mouse or headset) can only be paired with one laptop-or-device at a time. If you pair with a new (second) one, it will work. However, when you go back to the first one ... it won't work until you do a full re-pairing.
I think it's a Bluetooth limitation or possibly even a security feature.
Dell Rockstar
Microsoft Windows and Apple iOS Developer (Retired) - Like many of you, I can appreciate a good game-engine. - I answer questions here, but I'm not a Dell employee. - Consider giving posts you like a "thumbs-up" - Posting models-numbers and software versions speeds trouble-shooting. - Click "Mark as Accepted Answer" on any post that answers your question best.
Wife had that set and I can't see a way to do that without moving the Dongle?
I do have a Logitech set, KB is KB850 and Mouse is M720. KB has white buttons, 1, 2, and 3. Mouse has a side button that selects 1, 2, or 3. However, those keys either connect via Bluetooth (like my iPad) or to a different Dongle.
Tesla1856
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Posted May 20th, 2026 16:35
I don't have any of that, but I wanted to mention ...
I've found that a Bluetooth (mouse or headset) can only be paired with one laptop-or-device at a time. If you pair with a new (second) one, it will work. However, when you go back to the first one ... it won't work until you do a full re-pairing.
I think it's a Bluetooth limitation or possibly even a security feature.
Dell Rockstar
Microsoft Windows and Apple iOS Developer (Retired)
- Like many of you, I can appreciate a good game-engine.
- I answer questions here, but I'm not a Dell employee.
- Consider giving posts you like a "thumbs-up"
- Posting models-numbers and software versions speeds trouble-shooting.
- Click "Mark as Accepted Answer" on any post that answers your question best.