Common Blackvue dash cam problems

Select your issue below:

• SD Cards
• Power
• Wi-Fi

SD card issues

Problem: ‘Check SD Card’ voice alert

How to fix it:

• Ensure the SD card is correctly inserted into your dash cam
• Reformat the SD card using the BlackVue Viewer (PC or Mac):
  • Open the app
  • Click the SD card icon
  • Select ‘Format’
• Reformat your SD card every couple of months to maintain performance

Important:

• Always use a BlackVue SD card for best results
• Third-party SD cards may not be compatible and can cause errors

Dash cams place heavy demand on SD cards, continuously recording and overwriting footage. BlackVue SD cards are specifically designed for this, using wear levelling and advanced error correction to improve durability and lifespan.

Power Issues

Problem: Dash cam not powering on

How to fix it:

• Check the power cable is fully inserted into your car’s 12V socket
• Inspect the fuse in the power cable (located in the plug)
• If using a parking mode accessory (e.g. Power Magic Pro or Conecta OBD):
  • Run your engine for a few minutes if the car hasn’t been used in 24+ hours
• If using a battery pack (e.g. B-124X Ultra):
  • Check the battery LED indicator is on
  • Ensure the battery is charging correctly

Wi-Fi Connectivity Issues

Problem: Smartphone can’t find the dash cam

How to fix it:

• Press the Wi-Fi button on the side of the dash cam
• Wait for the voice prompt confirming ‘Wi-Fi on’

Problem: Dash cam won’t connect to Wi-Fi

How to fix it:

• Double-check the Wi-Fi password
  • Found on the silver label on the camera body
• Ensure your phone is connected to the ‘BlackVue’ network
• On some Android devices, enable Flight Mode to allow connection

Helpful video guides

How to use the BlackVue dash cam app and cloud

This tutorial explains how to set-up your BlackVue Cloud account via the app, and connect your dash cam to the cloud.

How to use WiFi on a BlackVue dash cam

Set-up and configure the WiFi settings on your BlackVue dash cam to manage video files and customise your camera’s settings.

How to update your BlackVue dash cam firmware

This simple step-by-step video tutorial will walk you through the process of upgrading the firmware on your BlackVue dash cam.

Warranty and returns

BlackVue dash cams carry a one-year manufacturer’s warranty.

If your product is found to be faulty within the first 30 days, please return it to your local Halfords store. If it develops a fault outside of the first 30 days, please call BlackVue’s dedicated telephone support line for Halfords customers on 01555 709725. This support line is available from 9.00am to 5.30pm, Monday to Friday. Alternatively, a Live Chat service is available at www.blackvue.uk. Email enquiries can be sent to support@blackvue.uk.

If you change your mind and decide that you no longer want your dash cam, you'll need to return the item to Halfords within 30 days of purchase. Please note the item must be returned in its original packaging, complete with all accessories, along with proof of purchase in the form of your receipt/invoice. This does not affect your statutory rights.