How to fix Westinghouse LCD monitor problems?

First of all you need to remove the whole back cover. You can start it by removing the stand, pull the little cover off screws and then remove the 4 screws under the whole cover. I must tell you that next you have to remove the signal cable. Now remove the 4 screws one in each corner for that you have to consult their official website. A next step is separating of the two halves of the case. Then start on the side of the screen and you insert the flat blade screwdriver between the front and back halves. If you apply a little pressure with the case should separate a little bit, now just work to your way around the monitor. When you get to the bottom you will need to unplug the two of the speakers from the control board before the case will separate. After all of your bad parts have been replaced just you have to reassemble the monitor and test your work. If everything goes as it should already then you now have a working monitor.