Blackwidow v4 Pro 75% refusing to work in wireless mode | Razer Insider
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Blackwidow v4 Pro 75% refusing to work in wireless mode

  • March 17, 2025
  • 1 reply
  • 177 views
jdodge21

had this issue with my first copy of this board and they let me RMA it but now the second one is having the same issue :( basically it refuses to charge above the current 40% and when I unplug it and switch to wired mode nothing happens as if (or because it is) dead, I have reinstalled synapse, done the driver cleaner, swapped cables and nothing. unsure what to do now..

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    1 Reply

    Razer.Aero
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    • Razer.AeroRazer Support
    • Razer Support
    • March 18, 2025

    Hi jdodge21,

    I undertand that your Razer BlackWidow V4 Pro 75% won't charge past 40% and not responsive. Are you using a USB Hub or any type of extensions to connect your keyboard? To isolate the problem, please try the steps laid out below:

    1. Connect your keyboard directly to the PC and not a USB hub.
    2. Test your keyboard with a different USB Port.
    3. Make sure to update your device firmware by following the steps here.
    4. Try to reinstall your keyboard drivers, and perform a clean reinstall of Razer Synapse.
    5. Check if the issue persists with a different PC.

    If the troubleshooting didn’t work, PM me the keyboard serial number and proof of purchase so I can check its warranty. Save the shareable files via any online drive account listed here. All the best!

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