diff --git a/Troubleshooting.md b/Troubleshooting.md
index f61ac43..0855b02 100644
--- a/Troubleshooting.md
+++ b/Troubleshooting.md
@@ -6,5 +6,6 @@
 | It says xxx missing / can't find xxx / xxx read error / xxx is outdated or you can't see xxx.                     | Make sure sdcard contents matches your [firmware version](https://github.com/portapack-mayhem/mayhem-firmware/releases).                              |
 | Unexpected spike on my waterfall / IQ / spectrum. | It's either a [DC offset](https://hackrf.readthedocs.io/en/latest/faq.html#what-is-the-big-spike-in-the-center-of-my-received-spectrum) or noise from power. For reducing the noise, try using the internal battery. For DC offset, there's nothing you can do. |
 | Something else | Check more _Troubleshooting_ topics on the sidebar |
-| My computer can't see my HackRF no matter what I do | Try at least 5 different cables. If you are on Windows, try to install [Zadig](https://zadig.akeo.ie/), if not working, try on a Linux machine (exclude Ubuntu)
+| My computer can't see my HackRF no matter what I do | Try at least 5 different cables. If you are on Windows, try to install [Zadig](https://zadig.akeo.ie/), if not working, try on a Linux machine (exclude Ubuntu) |
+| My sound board app can't see the files i putted in, but my fileman app can | folow [Soundboard](https://github.com/portapack-mayhem/mayhem-firmware/wiki/Soundboard) to make correct file |