Power button/on off switch cannot operate

I get new button and changing it while install lcd screen..but also freeze..even i look and hear closely, it get 'tik' sound like normal button when i press it but still do nothing..someone help me out..

์ด ์งˆ๋ฌธ์— ๋‹ตํ•˜๊ธฐ ์ €๋„ ๊ฐ™์€ ๋ฌธ์ œ๊ฐ€ ์žˆ์Šต๋‹ˆ๋‹ค

์ข‹์€ ์งˆ๋ฌธ์ž…๋‹ˆ๊นŒ?

์ ์ˆ˜ 0
๋Œ“๊ธ€ ๋‹ฌ๊ธฐ