Index: sources/storage/DriveWatcher.cpp
===================================================================
diff -u -re159592e3a99658e661ab83fffef43322dc075f3 -ra64c31ec79b3af203691f70397cc31f5727f47f4
--- sources/storage/DriveWatcher.cpp	(.../DriveWatcher.cpp)	(revision e159592e3a99658e661ab83fffef43322dc075f3)
+++ sources/storage/DriveWatcher.cpp	(.../DriveWatcher.cpp)	(revision a64c31ec79b3af203691f70397cc31f5727f47f4)
@@ -152,9 +152,17 @@
 bool DriveWatcher::usbSeek(QString &vDevice)
 {
     // coco begin validated: Needed User Interaction so tested manually
+    // This function cannot be tested on any device other than target
+    // because only on device the usb is /dev/sdX# and others are mmblk___
+    // but on VM and normal Linuxes all drives are /dev/sdX# and cannot be identified as USB.
+    // And the difference between how USB is detected and sd-card is that
+    // for the USB we need to look into /dev/sdX#
+    // but for the sd-card we look for the mounted path which is much easier.
+    // That's why indication of the sd-card is more accurate than USB at least on VM.
+    QString dev = "/dev/sd";
     QString device = "";
     for (char a = 'a'; a <= 'z'; a++) {
-        device = QString("/dev/sd%1%2").arg(a).arg('1');
+        device = dev + a + '1';
         if (QFileInfo::exists(device)) {
             vDevice = device;
             return true; // application is deciding on the first existing drive