Have never met HP Slate 7 before, but I needed to connect to my computer with Windows 7.
adb just didn’t detect this device.
Google search helped to find solution on HP support forum. It is pretty hard to detect, so I put it here:
1. please use this command to add it
echo 0x03F0 >> %HOMEPATH%\.android\adb_usb.ini
2. And, find the Google USB driver android_winusb.inf which is located in
Add below sections in the [Google.NTamd64] section of android_winusb.inf file (after the “;Google Nexus (generic)” entry and save it,
; HP %SingleAdbInterface% = USB_Install, USB\VID_03F0&PID_5E1D %CompositeAdbInterface% = USB_Install, USB\VID_03F0&PID_5D1D&MI_01 %CompositeAdbInterface% = USB_Install, USB\VID_03F0&PID_601D&MI_01
3. Manual install driver for the device, from Device Manager.
After all these done, restart ADB service to check the device (adb devices)