I ordered a new screen for my Dell E6540 laptop computer. The screen was intermittent and would flicker on/off. By pressing on one place on the bottom of the screen it would go on. I purchased the screen from Laptopscreen.com and it arrived in a few days. It was very easy to install and I am pleased with the results.
There are a number of companies that sell screens but Laptopscreens had a great help section all you had to do was to enter the screen part number and they gave you the replacement. There are at least 4 different screens that look the same and are replacements but have different characteristics. Be sure to order the correct one..