WebCCTV Installation Manual 77Version 4.3 Series7.2.2 Monitor problemsProblem Possible causes and resolutionsThe monitor iscompletely black• Monitor switched offo Turn on the monitor• Cable not connected or damagedo Make sure that the power cable is firmlyconnected to the monitor a working power outlet.o If the cable is frayed or damaged, replace it.o If the cable connectors are dirty, wipe them withcotton or a clean cloth.• Monitor set up to complete darknesso Try to adapt the brightness and contrast settingsof the monitor• Monitor brokeno Try another monitorThe monitor displays anerror (e.g. “No signal”)• Monitor cable not properly connectedo Make sure that the monitor cable is firmlyconnected to the WebCCTV and to the monitorThe monitor doesn’tdisplay correct colours• Monitor cable not properly connectedo Make sure that the monitor cable is firmlyconnected to the WebCCTV and to the monitor• Monitor set up incorrectlyo Try to adapt the brightness and contrast settingsof the monitorFor other problems, please check the documentation of the monitor manufacturer.7.2.3 Windows logon problemsProblem Possible causes and resolutionsYou forgot the passwordof a User• Log in as Administrator, reset the Operator’s passwordthrough the web applicationYou forgot the passwordof the Administrator• Re-install the WebCCTVSince Quadrox uses the Windows Operating System forauthentication, there is no back door to retrieving or resetting thepassword.