laptop only works when plugged in hp

6:10

2:25

3:30

1:28

5:07

2:17

2:14

3:00

2:21

7:33

2:06

10:29

2:12

1:38

5:13

2:43

14:55

3:49

8:25

7:21

7:16

11:08

1:18

12:44

8:12

2:32

4:24

00:48

2:01

2:37

1:08

1:59

5:30

1:56

4:43

2:22

5:04

7:58

2:21

5:35

1:37

2:35

1:32

1:34

7:51

2:55

4:20

1:05

3:25

2:46

2:25

2:25

1:38

1:19

1:57

3:25

3:59

4:21

1:57

4:04