solve windows 7 wifi connection problem in laptop computer

6:05

6:56

7:40

1:52

2:30

1:05

9:36

2:18

4:08

3:18

7:47

12:59

5:30

13:35

13:35

7:28

7:28

4:58

4:06

4:06

2:12

7:47

7:47

2:12

5:47

5:47

7:02

5:16

2:02

3:56

3:56

26:30

1:05

1:01

3:08

1:15

7:21

8:16

2:46

4:07