MY SCREEN GOES BLANK STAYS WHITE AND i HAVE TO EITHER UPLUG IT A FEW TIMES OR RESTART MY COMPUTER AND EVEN THEN SOMETIMES IT WONT WORK EITHER. IS THERE A WAY TO TROUBLESHOOT THIS? I HAVE NVIDIA DISPLAY ON MY MENU WITH A WHITE BOX THAT I CANNOT GET RID OF..... HOW CAN I RESET BACK TO THE ORIGINAL DISPLAY