các bạn vào theo đường dẫn này: C:\Windows\System32\drivers\etc
sau đó mở file host bằng notepad và thêm đoạn code này vào là ok à.
125.252.224.88 facebook.com
69.63.181.12 apps.facebook.com
69.63.187.16 facebook.com
69.63.181.22 login.facebook.com
69.63.186.12 apps.facebook.com
69.63.181.22
www.login.facebook.com69.63.186.12
www.apps.facebook.com153.16.15.71 facebook.com
153.16.15.71 apps.facebook.com
153.16.15.71 login.facebook.com
153.16.15.71 graph.facebook.com
153.16.15.71 static.ak.connect.facebook.com
153.16.15.71 developers.facebook.com
153.16.15.71 error.facebook.com
153.16.15.71 facebook.com
153.16.15.71
www.facebook.com153.16.15.71 apps.facebook.com
153.16.15.71 login.facebook.com
153.16.15.71 graph.facebook.com
153.16.15.71 static.ak.connect.facebook.com
153.16.15.71 developers.facebook.com
153.16.15.71 error.facebook.com
153.16.15.71 upload.facebook.com
153.16.15.71 *.facebook.com