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.
There were many great artists during the Renaissance. Perhaps the most famous are Leonardo da Vinci and Michelangelo. Other artists, however, had great influence both during Renaissance times and later, even influencing modern day artists. Here is a list of some of the most famous Renaissance artists: Donatello (1386 - 1466) Donatello was a sculptor and one of the pioneers in Renaissance art. He lived in Florence, Italy at the start of the Renaissance. He was a humanist and interested in Greek and Roman sculpture. He introduced new ways of creating depth and perspective in art. Some of Donatello's most famous sculptures include David, St. Mark, the Gattamelata, and the Magdalene Penitent.