how to solve dot line blink on computer screen

3:24

1:03

3:45

2:17

3:16

3:56

کوتاه

6:09

5:03

2:08

9:09

1:48

15:32

9:35

5:05

3:07

کوتاه

2:29

3:16

4:17

6:04

3:18

8:59

17:55

1:41

کوتاه

1:55

18:34

2:17

4:29

6:57

16:38

2:08

3:43

11:09

14:27

2:47

7:40

22:58

11:46