Ricardo G Ewa Beach , HI May 04, 2019 Appliance: Samsung Washer WF457ARGSGR/A2 Samsung Washer Wf457argsgr/A2 / 0000: Bottom half of the touchscreen on my washer did not work. How to replace Washing Machine Sub-Lcd Pcb Assembly. Replaced the lcd touchscreen. 4 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes