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GPDWin·GPD Win Devicesbyn1ckn4m3

GPD Win 4 Official Joystick Deadzone Fix Released!

GPD has released the joystick deadzone fix tool for the GPD Win 4, I and several others have tested it and it seems to wholly remove the deadzone issue with the Win 4 and also provide some customization of the deadzone and center in the WinControls tool!

How to:

  1. Download the file GPD_Gamepad_WIN4_X408K407.zip
  2. Extract the .ZIP file
  3. You may get an alert from Windows Defender claiming that "GPD Gamepad WIN4 X408K407.exe" is a virus named "Win32.Trojan/Wacatac.B!ml", but this is a false positive -- a cursory google search will show that this is a very common false positive for Windows Defender, it has historically triggered on other applications like No Man's Sky when downloaded directly from Xbox Game Pass. If you receive this alert, open Start Menu -> Settings -> Privacy & Security -> Windows Security -> Virus & Threat Protection -> Protection History and find the recent quarantine event and then tell Windows to not quarantine and to allow the tool to execute. If you're not the trusting type, you can install a tool like Process Monitor and monitor precisely what the firmware update tool is doing to see that it is, in fact, just updating the firmware on the joystick controller.
  4. Execute the "GPD Gamepad WIN4 X408K407.exe" and once it has launched and confirmed the existing gamepad firmware, click the update button.
  5. Wait for the update to complete and for both panes in the UI to show that the firmware was successfully updated.
  6. Uninstall the existing version of WinControls
  7. Install WinControls from the "GPD WinControls V1.14.exe" file
  8. Power the GPD Win 4 off entirely.
  9. Power the GPD Win 4 on.
  10. Open WinControls and see that there are now deadzone settings in the Mouse Mode configuration window. Yes, it says V1.11 in the bottom even though it's V1.14 :)

So far, the consensus seems to be that setting both left/right stick center to -8 results in the smallest deadzone with no jitter, but this will vary joystick by joystick.

In my testing this has completely removed the deadzone, given me fantastically precise movement and made FPS games and driving games infinitely more playable on the device. I'm ecstatic that the tool finally released!

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GPDWin·GPD Win Devicesbyn1ckn4m3

GPD Win 4 / yuzu (EA or mainline) / NVDEC crashing / AMD Adrenalin 23.7.1

So, I put yuzu on my GPD Win 4 (6800 version) to play my legally obtained and personally ripped Switch games, but I found that a lot of games would crash pretty quickly. Doing some troubleshooting I realized if I changed NVDEC from "GPU Video Decoding (default)" to "CPU Video Decoding), the crashes went away.

Yesterday, I upgraded my GPU drivers to AMD Adrenalin 23.7.1 and noted that now yuzu crashes whenever NVDEC is used even if I have "CPU Video Decoding" set -- I have to set it to "No Video Output" to stop the crashing and then the NVDEC encoded videos don't play at all (which is, I suppose, to be expected with that setting).

I presume that NVDEC doesn't work on the GPU because it's an nvidia specific decoder, so it needing to be CPU decoding makes sense as well. What doesn't make sense is why CPU decoding breaks on 23.7.1.

It can be worked around, downgrading to 23.5.2 solves the issue.

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