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Windows 7 recognized USB GPS as a serial Mouse in Windows 7

*original title - Windows 7 + USB GPS becomes Serial Mouse = Bad News*

I know this has been asked quite a few times on here, and a solution has yet to appear, but since it has been awhile since the last time it was posted I thought I would see if any progress has been made.

Problem:  Plugging in a USB GPS, or a serial GPS connected via a Serial->USB adapter causes Windows 7 to improperly recognize the device as a serial mouse, and since the data stream is rapid, the mounse pointer begins to jump all over the screen.  In XP, disconnecting the GPS temporarily left behind the serial mouse in Device Manager, and disabling it there would then allow the system to be used again.

Unfortunately, in Win 7 when the GPS is unplugged the system immediately removes the device from Device Manager.

Additionally, the tools Microsoft had released to combat this problem on the front end have not been released for Windows 7. 

 So we have the choice, continue to hold the laptop rollout, or revert to rolling them out with XP.  Neither option is ideal.

 Anyone have any ideas?

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Answer
Answer

Hi Project Zeta,

 

I would suggest you to try the below steps and check if it helps:

 

Important: The instructions below contain steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully. For added protection, back up the registry before you modify it. Then, you can restore the registry if a problem occurs. For more information view the article in the Microsoft Windows help article:  Back up the registry:http://windows.microsoft.com/en-US/windows7/Back-up-the-registry

 

i.          Click on start

ii.        In the search box, type in regedit

iii.      Registry editor windows opens

iv.       Navigate to the location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\sermouse

v.         On the right hand side you would findstart

vi.       Modify the value of the key to: 00000004

If you do not find the Start key then follow the below steps:

i.          Right click on the blank space

ii.        Select on the option New

iii.      Click on dword 32-bit value

iv.       Rename it to start

v.         Right click on the key and select and modify

vi.       Feed in the value: 00000004

vii.     Restart the computer

 

Now connect GPS through USB and also with serial USB adapter and check the results.

 

Regards:

Samhrutha G S - Microsoft Support.

Visit ourMicrosoft Answers Feedback Forum and let us know what you think.

 

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Question Info

Last updated November 28, 2023 Views 24,273 Applies to: