my touchpad is not working

[KARAM2]

"After the last update, it worked for two days and then stopped completely. Also, the mouse pointer disappears unless I connect the mouse device; then it returns."

[Garp_senchau]

@KARAM2, Welcome to HP Support Community,

Thank you for posting your query; I’m here to help by guiding you through steps to resolve this issue

Perform a hard reset

Turn off the computer.

Disconnect the AC adapter.

Remove any discs from the disc drive.

Remove memory cards from the card reader slot.

Disconnect all nonessential peripheral devices, such as printers, scanners, external hard drives, and USB flash drives.

Note: Do not disconnect your mouse, keyboard, or monitor.

With the AC adapter unplugged, press and hold the power button for approximately 15 seconds.

Reconnect the AC adapter and then turn on the computer.

Refer this guide for further troubleshooting: HP Notebook PCs - Troubleshoot the touchpad | HP® Support

I hope these steps help resolve the issue

Please feel free to reply here if you have any questions or if you need further clarification on any of the steps. 

Take care and have a good day. 

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Regards,