Hi, I am Dave, I will help you with this.
The Microsoft keyboard and mouse sets are paired specifically to one USB transceiver, it is not possible to get a replacement USB for that set, another USB will not work with your set.
How do I purchase another dongle for my wireless keyboard and mouse?
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Anonymous
Microsoft wireless keyboard and mouse 5050
Windows for home | Other | Devices and drivers
Locked Question. This question was migrated from the Microsoft Support Community. You can vote on whether it's helpful, but you can't add comments or replies or follow the question.
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DaveM121 871.8K Reputation points Independent Advisor2024-01-29T17:30:08+00:00 You could try a local PC Repair Shop too see if they can get the USB dongle working.
If that mouse and keyboard set is still in warranty, you could try contacting Microsoft Store Support using one of the options on this link:
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Anonymous
2024-01-29T17:22:07+00:00 My current USB is broken. What options do I have to repair this?