I replaced some parts and now WiFi has no bars?

I am positive I have assembled it correctly but now I have no WiFi. WiFi is showing up but no bars?

wifi signal is significantly weaker now. my other vitas have 60% signal this one has 5%.



crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0