Index: sources/storage/filehandler.cpp
===================================================================
diff -u -r781e62c996e81897517fbdb1bc79fe3bbcf165c1 -r90d3f5b31186834168c9ad869f8d2d038200dfcf
--- sources/storage/filehandler.cpp	(.../filehandler.cpp)	(revision 781e62c996e81897517fbdb1bc79fe3bbcf165c1)
+++ sources/storage/filehandler.cpp	(.../filehandler.cpp)	(revision 90d3f5b31186834168c9ad869f8d2d038200dfcf)
@@ -13,6 +13,7 @@
  */
 #include "filehandler.h"
 
+#include <sys/mount.h>
 //Qt
 #include <QDebug>
 #include <QFileInfo>
@@ -35,11 +36,43 @@
 void FileHandler::directoryChanged(const QString &vPath)
 {
     Q_UNUSED(vPath)
-    // qDebug() << QFileInfo::exists("/dev/sda");
+    bool available = false;
+    QString device = "";
+    if ( ! _mounted ) {
+        for (int a = 'a'; a <= 'z'; a++) {
+            device = QString("/dev/sd%1%2").arg(QChar(a)).arg(QChar('1'));
+            if (QFileInfo::exists(device)) {
+                available = true;
+                break;
+            }
+            umount(device.toLatin1().constData());
+        }
+    }
+    if (available) {
+        if ( ! _mounted ) {
+            if ( mountUsb(device) ) {
+                _mounted = true;
+            } else {
+                qDebug() << tr("1 - USB drive %1 can't be mounted").arg(_usbMount);
+            }
+        }
+    } else {
+        umount(_usbMount);
+        _mounted = false;
+        qDebug() << tr("2 - USB drive %1 can't be mounted").arg(_usbMount);
+        return;
+    }
+    emit usbStatusChanged(available);
 }
 
-bool FileHandler::mountUsb()
+bool FileHandler::mountUsb(QString device)
 {
+    int result = mount(device.toLatin1().constData(), _usbMount, _usbfsys, 0, "");
+    if (result == 0) {
+         qDebug() << tr("USB flash drive %1 has been mounted to %2").arg(device).arg(_usbMount);
+    } else {
+        return false;
+    }
     return true;
 }