Please use this driver and then let me know the result. https://global-download.acer.com/GDFiles/Driver/Fingerprint/Fingerprint_EGISTEC_6.2.56_W7x86W7x64_A.zip?acerid=634037244112565824&Step1=NOTEBOOK&Step2=ASPIRE&Step3=ASPIRE 5942G&OS=ALL&LC=ko&BC=ACER&SC=AAP_11#_ga=2.266212879.1098695643.1522482296-1946445909.1522482296
https://global-download.acer.com/GDFiles/Driver/Fingerprint/Fingerprint_EGISTEC_6.2.56_W7x86W7x64_A.zip?acerid=634037244112565824&Step1=NOTEBOOK&Step2=ASPIRE&Step3=ASPIRE 5942G&OS=ALL&LC=ko&BC=ACER&SC=AAP_11#_ga=2.266212879.1098695643.1522482296-1946445909.1522482296