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- HP Community
- Notebooks
- Notebook Hardware and Upgrade Questions
- TouchPad gestures not working after 21H2 update / I2C HID De...

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11-18-2021 09:05 AM
Hello there
i am using an hp probook 640 g4,
recently i upgraded it to windows 10 21h2 from windows 10 21h1
after the upgrade my touchpad gestures have stopped working i.e. three finger, 2 finger gestures.
I have also noticed that after the update a device named I2C HID is showing some failure.
any help is appreciated,
thanks in adv
Solved! Go to Solution.
Accepted Solutions
11-18-2021 11:35 AM
I have a few recommendations for you.
1) install the serial IO driver and then restart the notebook.
https://ftp.hp.com/pub/softpaq/sp96501-97000/sp96954.exe
2) If the error is still present, run the HP Hardware Diagnostic UEFI utility system test and write down any 24 character error code and post it here.
HP Drivers for your notebook
https://support.hp.com/gb-en/drivers/selfservice/hp-probook-640-g4-notebook-pc/18602168
I am a volunteer forum member. If my suggestion helped you solve your issue, help others by marking that post as the accepted solution. Say thanks by clicking on the Yes button next to the "was this reply helpful?"
11-18-2021 11:35 AM
I have a few recommendations for you.
1) install the serial IO driver and then restart the notebook.
https://ftp.hp.com/pub/softpaq/sp96501-97000/sp96954.exe
2) If the error is still present, run the HP Hardware Diagnostic UEFI utility system test and write down any 24 character error code and post it here.
HP Drivers for your notebook
https://support.hp.com/gb-en/drivers/selfservice/hp-probook-640-g4-notebook-pc/18602168
I am a volunteer forum member. If my suggestion helped you solve your issue, help others by marking that post as the accepted solution. Say thanks by clicking on the Yes button next to the "was this reply helpful?"