q what to do if lcd is not working after connecting to the power a please check the power saving mode by pressing any key or move the mouse to deactivate the power saving mode . also, please check the signal cable connector pins 請檢查省電模式,按任何鍵或移動滑鼠,離開省電模式或檢查訊號線連接頭針腳,如果針腳彎曲或遺失請洽經(jīng)銷商。