diff --git a/update.cpp b/update.cpp
index bcc565f..da4758f 100644
--- a/update.cpp
+++ b/update.cpp
@@ -742,10 +742,15 @@ QStringList Update::getDcSoftAndHardWareVersion() {
 }
 
 bool Update::doUpdate(int &displayIndex, QStringList const &filesToWorkOn) {
-    if (!m_hw->sys_areDCdataValid()) { // must deliver 'true', only then are all
-                                       // data from hwapi valid
-        qCritical() << "ERROR!!! DC DATA NOT VALID";
-        return false;
+    int tries = 20;
+    while (!m_hw->sys_areDCdataValid()) { // must deliver 'true', only then are all
+                                          // data from hwapi valid
+        if (--tries < 0) {
+            qCritical() << "ERROR!!! DC DATA NOT VALID -> CA-MASTER-PLUGIN NOT CONNECTED";
+            return false;
+        }
+        m_hw->dc_autoRequest(true);
+        QThread::msleep(500);
     }
 
     bool res = false;