|Try this, remove the battery, unplug the power lead, hold down the on button for about 30 seconds. Place the battery back in and try again. |
When you see the VIAO screen tap the f8 key a few times and see if you are able to boot into safe mode.
When did this start happening? was the machine working previously? or have you just recently installed something, perhaps Windows 10?
Everyone has their own opinion but i Love Windows 10.