Troubleshooting

Common Error Messages

What does the Transmitter Not Found alert mean?

If your transmitter didn’t pair with your display device and you are seeing a Transmitter Not Found alert, please try these solutions.
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Managing Your Online Account

I use Dexcom G7. How do I reset my password?

To reset your Dexcom account password, follow these easy steps.

How do I change my mailing or shipping address?

To change your mailing or shipping address, do the following…

I use Dexcom G6. How do I reset my password?

To reset your Dexcom account password, follow these easy steps.

I can’t log in to my Dexcom account. What should I do?

Get help and tips on logging into a Dexcom account

Sensor Adhesion Issues

Where can I order sensor overpatches?

Learn how you can order sensors for your Dexcom continuous glucose monitoring system.

Troubleshooting (Reordering Sensors and Supplies)

Why do I need to return my defective supplies?

We ask customers to return their defective supplies in a return kit... 
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