Frequently Asked Questions about Syntech

Frequently Asked Questions about Syntech Skip to content


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Q: How can I extend to the hassle-freewarranty?

A: Simply register your hassle-freewarranty with your email.

Q: How can I get a replacement or refund?

A: You can fill the form here: customer support or send us an email: Or simply contact us on amazon.

Q: What should I do if the product does not work?

A: For USB C to HDMI Adapter/Cable, please make sure that your laptop/smartphone is in DP Alt Mode First. Only DP Alt Mode usb-c port can be used to output video. For other products, please fill the form customer support to get our consultancy or replacement in 24 hours.

Q: My Order did not arrive on time, what should I do?

A: All the Syntech products are delivered, wrapped and shipped by FBA(Fulfill by Amazon) Service. We encourage you to contact amazon support through amazon front page. Amazon customers are very nice and would like to solve your issue quickly.

Q: Product broke after a time of use and it doesn’t work now, what should I do?

A: All of our products have the extended life-time warranty. If you are using the Mac laptop, please try to reset the System Management Controller (SMC) first. For refund or replacement, please fill out our contact form to get our customer support in 24 hours.