Article in English: It's the blue and white smiley face icon on the bottom-left of your Mac's dock.  This will open a new Finder window, allowing you to explore your Mac. It's in the left-hand column of the Finder window. It's the blue folder near the bottom of the page with the image of a screwdriver and wrench on it. It's the app with the icon of a hard drive with a stethoscope.  This display information about the disk drives you have installed on your Mac. All the disk drives you have installed will be listed in the sidebar to the left.  Click a drive to select it. It's the tab at the top of the screen that has an icon of a stethoscope.  A pop-up will appear asking if you would like to run First Aid on the drive. It's in the lower-right corner of the pop-up window. If you are running First Aid on your boot disk, the boot volume will be temporarily frozen and other apps won't respond until the operation is completed. This will show a report of any problems found on the disk drive.  Messages with red text indicate a problem was found with the disk drive.  The final message will tell you if the SSD needs to be repaired. It's the blue button in the bottom-right corner of the First Aid summary window. This closes the First Aid pop-up window in the Disk Utility app.

Summary in Vietnamese:
Mở cửa sổ Finder. Nhấp vào Applications ở cột bên trái của cửa sổ Finder. Nhấp đúp vào thư mục Utilities. Nhấp đúp vào Disk Utility. Chọn ổ SSD. Nhấp vào First Aid (Sơ cứu). Nhấp vào nút Run (Chạy) ở góc dưới bên phải cửa sổ bật lên. Nhấp vào Continue (Tiếp tục). Nhấp vào Show Details (Hiển thị chi tiết). Nhấp vào Done (Xong).