Update TROUBLESHOOTING.md

diff --git a/TROUBLESHOOTING.md b/TROUBLESHOOTING.md
index 45ea8fe710b8445043258fb39740deb68969f460..ebbfd4730117547c0d481a14bf0a650c9e550086 100644 (file)
--- a/TROUBLESHOOTING.md
+++ b/TROUBLESHOOTING.md
@@ -24,6 +24,11 @@ Here is the command sequence for a Raspberry Pi 3, which has built-in WiFi:
 ```
 sudo iwconfig wlan0 power off
 ```
+Alternatively, add the following line:
+```
+wireless-power off
+```
+to the file `/etc/network/interfaces`.
 
 There are some more details in some the closed issues on this repository.