1. Turn Down Screen Brightness. To turn down screen brightness, click the battery icon in the system tray and click Adjust screen brightness. Slide the brightness slider to the left until you can comfortably see the screen and itâs dimmest setting.
For a normal reading, your blood pressure needs to show a top number thatâs between 90 and 120, and a bottom number thatâs between 60 and 80. When both your systolic and diastolic numbers are in these ranges, youâre considered by the American Heart Association (AHA) to be within the normal range for blood pressure.
Blood pressure is a two-number measurement of your heart's function. The top number is the systolic pressure, or the pressure of the blood within the vessels as your heart con â¦ tracts. The bottom, or diastolic, number is the pressure of blood between the heartbeats, or when your heart rests and refills.he number on top is called the  â¦ systolic pressure.. Systolic Blood Pressure measures the pressure inside your blood vessels at the moment your heart beats. The number on the bottom is your diastolic pressure.