This usually indicates a failure of the backlight inverter. If you shine a very bright flashlight on the screen and can see a recognizable pattern like the OS desktop, that is almost certainly the case. If you are handy and it is an ordinary laptop, you can usually get the part on eBay and swap it out yourself.
Fra Angelico was an early Italian Renaissance artist and a monk, considered to be one of the most talented fresco painters of his time. He was born Guido di Pietro in approximately 1395 at Rupecanina in Mugello, but nothing is known of his parents.
If the framework for the Renaissance was laid by economic, social and political factors, it was the talent of Italian artists that drove it forward. The most important painters, sculptors, architects and designers of the Italian Renaissance during the 14th, 15th and 16th centuries include, in chronological order: