Now I can why will Intel become a history in few years to some other Chinese company.
Please upgrade the driver for Fujitsu A555. Screens is running great at 64 p refresh rate but flickering constantly with your Intel HD 5500 driver at 59 p Hrz refresh rate.Please do something.
normally , you must contact the laptop or desktop mb manufcaturer to get updated drivers for your model ,
anyway you can try generic intel driver , download from below website