diff --git a/Troubleshooting---FAQ.md b/Troubleshooting---FAQ.md
index c1cd0ff..474b632 100644
--- a/Troubleshooting---FAQ.md
+++ b/Troubleshooting---FAQ.md
@@ -29,6 +29,14 @@ There is some downsides to this:
 * When you switch profiles, the connected software will not be notified of the change (the rtl_tcp protocol does not support this).
 * If your SDR is able to provide more than 8 bits per sample, the IQ data will be converted down to 8 bits (again, a limitation of the rtl_tcp protocol).
 
+### My E4000 rtlsdr doesn't work
+
+This is a common issue since the default configuration does include an RTL-SDR device, but the E4000 simply does not support the default `rf_gain` value of 30. To make it work, simply edit the `config_webrx.py` and set the `rf_gain` to one of the values from the list of supported values for an E4000:
+
+```
+Supported gain values (14): -1.0 1.5 4.0 6.5 9.0 11.5 14.0 16.5 19.0 21.5 24.0 29.0 34.0 42.0
+```
+
 # My error is not listed / I tried the suggestions and they didn't work
 
 Feel free to open an issue with a description of the problem you are having [right here](https://github.com/jketterl/openwebrx/issues/new).
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