Computer and beep sounds

Summary of the above points:

• Press the power button on the system unit to turn on the computer.
• The computer performs a self-test (POST) to check hardware components.
• If there are issues, it may show error messages.
• Once the test is successful, the operating system (e.g., Windows) loads.
• Enter your password on the login screen to access your account.
• After logging in, you can create, modify files, and perform tasks.
• Use the shut-down option to end your session safely.
• Avoid using the power button until the computer has fully shut down.