When the computer is turned on, it always rings twice to prompt information. What does this mean? (Mine is a Dell notebook)

1. Generally, long sound is a memory problem, long sound is a graphics card problem, and short sound is normal.

2. Tips from screen reality:

(1) The power adapter is faulty.

(2) It may not be possible to charge.

(3) I suggest you try pressing F3.

3. I suggest you:

(1) Check the battery and adapter separately.

(2) Press F3 to try.

(3) If F3 is invalid, press F2 to restore the settings.

(4) Get support from Dell's official website.