On the HP G7 or HP G8 you can have touchpad problems in WinPE.
On HP : HP-ProBook-450-G7-touchpad-not-working-detected/td-p/7591583 it’s a problem with a chipset driver.
I use this driver
- 850 G7 :
https://github.com/DavidWuibaille/Repository/tree/main/Windows/WinPE/WinPEDriversPbTouchPadx64_850g7
- 850 G8 :
https://github.com/DavidWuibaille/Repository/tree/main/Windows/WinPE/WinPEDriversPbTouchPadx64_850g8
For inject the drivers you can use :
dism /mount-wim /wimfile:"\\ServeurLDMS\ldmain\landesk\vboot\boot_x64.wim" /index:1 /mountdir:c:\mount
Dism /Image:C:\mount /Add-Driver /Driver:"c:\WinPEDriversPbTouchPadx64" /Recurse
Dism /unmount-wim /mountdir:c:\mount /commit
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