---
title: Troubleshooting | Patronscan Support Articles
description: Troubleshooting
---

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1. [Patronscan Support Articles](https://support.patronscan.com/)
2. [Troubleshooting](https://support.patronscan.com/troubleshooting)

# Troubleshooting

## Patronscan APP

- [PS Mobile - Error in Connecting to Server](https://support.patronscan.com/handheld-error-in-connecting-to-server)

## Repair

- [Scanner Glass Replacement](https://support.patronscan.com/scanner-glass-replacement)
- [How to Replace the USB Hub and Extender](https://support.patronscan.com/how-to-replace-the-usb-hub-and-extender)
- [Scanner Replacement Guide](https://support.patronscan.com/scanner-replacement-guide)
- [How to Install a 3320g Barcode Scanner](https://support.patronscan.com/how-to-install-a-3320)
- [Tablet Replacement Guide](https://support.patronscan.com/tablet-replacement-guide)

## Guard

- [Server & Connectivity Troubleshooting](https://support.patronscan.com/server-connectivity-troubleshooting)

## Kiosk

- [Camera Not Connecting](https://support.patronscan.com/camera-not-connecting)
- [Scanner Not Connected](https://support.patronscan.com/scanner-not-connected)
- [How to Reset 3320g Barcode Scanner](https://support.patronscan.com/how-to-reset-3320g-barcode-scanner)
- [How to Replace a Barcode Scanner](https://support.patronscan.com/barcode-scanner-replacement-guide)

- [FAQs](https://support.patronscan.com/faqs#main-content)

    - [Guard](https://support.patronscan.com/faqs#guard)
    - [Handheld Scanner](https://support.patronscan.com/faqs#handheld-scanner)
    - [Web Admin Portal](https://support.patronscan.com/faqs#web-admin-portal)
    - [DualPass](https://support.patronscan.com/faqs#dualpass)
    - [Privacy](https://support.patronscan.com/faqs#privacy)
- [Getting started](https://support.patronscan.com/getting-started#main-content)

    - [DualPass](https://support.patronscan.com/getting-started#dualpass)
    - [Guard +](https://support.patronscan.com/getting-started#guard)
    - [AVA Camera](https://support.patronscan.com/getting-started#ava-camera)
    - [HandHeld](https://support.patronscan.com/getting-started#handheld)
    - [Admin Portal](https://support.patronscan.com/getting-started#admin-portal)
- [Troubleshooting](https://support.patronscan.com/troubleshooting#main-content)

    - [Patronscan APP](https://support.patronscan.com/troubleshooting#patronscan-app)
    - [Repair](https://support.patronscan.com/troubleshooting#repair)
    - [Guard](https://support.patronscan.com/troubleshooting#guard)
    - [Kiosk](https://support.patronscan.com/troubleshooting#kiosk)
- [Product Updates](https://support.patronscan.com/product-updates)

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