Hi Umber Sangha,
Thank you for reaching Microsoft Community. We appreciate for sharing your concern to us.
The touchpad for your Surface Laptop 3 cannot be replaced; however, you can request a replacement for the entire device. Any replacement process is beyond of our support boundaries here in the community. We recommend contacting our live support team to check options for your device. You may reach them using the Surface App following the instructions below.
- Open the Surface App and select Help & support > Get help.
- Type in the problem you need help with.
- Look at any available solutions offered and select Contact Support.
Or you can reach them via web:
- Go to Contact Us - Microsoft Support and select Devices.
- Choose your preferred support method.
- Type in the problem you need help with.
- Look at any available solutions offered and select Contact Support.
Kind regards,
Lavenia