Digital TV set-top box is a machine which change digital TV signal into analog signal.With the rapid spead of network,there are more digital TV set-top boxes and there are some problems when people use them.The paper tells some typical problems,reasons,measures of troubleshooting and some sug...
Otherwise, when the cable is removed and reinstalled, or the shutdown and undo shutdown commands are executed on the port, the remote port will not send STP bridge protocol data units (BPDUs) to the port. As a result, the port must wait twice the forward-delay (15 seconds by default)...
Disconnect the keyboard USB cable or wireless USB receiver. (When you have a wireless USB keyboard, install new batteries.) Turn on the device. Reconnect the keyboard USB cable or wireless USB receiver. (Or, try to connect the keyboard to a different device or USB port.) Update and confirm...
Connect to the device using a serial cable and restart the device. When the message "Press f or F to stop Auto-Boot ……" is displayed, press f and enter the password to enter the Uboot view. For details about how to connect to the device using a serial cable, see Logging In to ...
To determine the path of the application from theWindows Security Alertdialog box, place the mouse pointer over the name or description of the application. The displayed tool tip text indicates the path to the application. If the user is not a local administrator, theWindows Security Alertdialog ...
Cable TV Remote Troubleshooting Tips Topics: Featured Cable TV Attached Documents Remote User Codes If your universal remote control isn’t working, please check the following:STEP 1 – Press The CBL Button – Start by pressing the CBL button first and then POWER to turn on your set-top box...
Solution Confirm that both ends of the cable are properly inserted. If the cable is not fully inserted due to a broken locking clip, the cable should be replaced. Possible Cause The CAT-5 cable is damaged. Solution Ensure that the cable is in good condit...
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2–20 www.hp.com Troubleshooting Guide Troubleshooting Without Diagnostics Solving Display Problems (Continued) Problem Cause Blank screen (no video). (continued) Monitor cable is plugged into the wrong connector. Monitor settings in the computer are not compatible with the monitor. Blank screen and...
error happens when you log on locally or use a domain account. For a network-related error that occurred during startup, try disconnecting the network cable and restarting the computer. For more information about troubleshooting startup problems, see Chapter 29, “Troubleshooting the Startup ...