Razer Huntsman Mercury – Multiple keys not registering (optical matrix failure) | Razer Insider
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Razer Huntsman Mercury – Multiple keys not registering (optical matrix failure)

  • February 8, 2026
  • 1 reply
  • 12 views

Hello again,

I’m experiencing a serious issue with my Razer Huntsman Mercury, purchased in January 2023.

Multiple keys across the keyboard are not registering any input at all, while others work normally. The non-functional keys appear in specific clusters across different rows  which suggests an optical matrix / controller failure, not isolated switch issues.

The keyboard is correctly detected by Windows and Razer Synapse, RGB lighting works normally, and the device appears as a standard HID Keyboard. I have already:

  • exited Demo Mode

  • performed a factory reset

  • tested on another PC

  • reinstalled drivers

  • cleaned the keyboard thoroughly

The issue persists, and based on the symptoms and testing, this appears to be a hardware-related optical failure affecting a zone of keys, rather than software or user error.

Unfortunately, I no longer have the purchase receipt available. However, the keyboard has been lightly used and well cared for, and given that it was purchased relatively recently, I was hoping you could assist if possible.

I’ve attached images clearly showing which keys are non-functional.
 

 

This topic has been closed for replies.

1 Reply

Razer.ScarletRouge

Hey there, ​@DarkGamerGR56 

 

I understand that you're having a key input issues with your Razer Huntsman . Please try these troubleshooting steps on this link to help resolve the issue. 

 

If the issue persists after performing the troubleshooting steps, please send me a private message together with your device's serial number so I can its details here in our system and assist you further. Also, could you please let me know where did you purchase your device? Thank you!



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