If the harddrive light comes on and stays on solid, then it may be a storage driver
issue. Though personally I've not sen the entire screen go white before, just all the programs running.
from Intel available on the ASUS website fixed that sometimes. Other times, if you have a solid state drive, it's beginigng to lok like disabling native command queuing fixes it. But the bottom line is, if its a storage driver issue, the common syptom is that the HD light comes on and stays on while the rest of the machine has "locked up".