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Latitude 5400: trackpad not working


dobes99

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Hi, Support

 

       I have a trackpad issue on Latitude 5400.  The trackpad is not working during the installation but work well after that. And then stop working after I install the USB WLAN driver. Would you please help provide some suggestion to solve this issue? Thank you so much!

       Attach the EFI and USB WLAN driver for your reference. By the way, I have try to copy VoodooI2C.kext and VoodooI2CHID.kext to /L*/E* and rebuild the cache. It's not working for my issue.

EFI_5400.rarFetching info... TL-WN725N_V3_191229_Mac 10.15.zipFetching info...

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The touchpad did not working after I uninstall the USB WLAN driver. 

I have another try, after the installation completed without the USB WLAN driver installed, I reboot or sleep the laptop, the touchpad stop working. I have no idea how to solve that. Thank you for your suggestion.

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Last login: Sat Feb  1 08:15:15 on console

hongjingzhang@localhost ~ % ioreg

  Reveal hidden contents

hongjingzhang@localhost ~ %

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