how to repair hard disk not detected

7:37

9:00

7:00

17:04

7:42

4:49

2:10

7:45

1:45

6:36

4:46

11:27

8:38

6:55

6:53

2:55

5:55

10:10

4:37

6:16

4:34

2:38

2:00

6:26

1:50

10:36

4:28

8:40

3:07

10:51

2:54

3:43

4:16

4:18

6:25

2:57

3:22

2:40

6:20

4:41

15:05

15:20

6:03

6:47

3:45

8:29

4:32

1:58

4:10

2:45

6:20

5:54

6:29

10:28

6:51

3:51

6:24

4:04

3:02

9:06