5.2 - Troubleshooting Common Hardware Problems Flashcards
What is the purpose of the POST (Power-On Self-Test)?
To ensure all main system components (CPU, video, keyboard, memory) are available and working properly.
What happens if the POST detects a problem?
The system will emit a series of beeps and may display error messages on the screen.
Why does the system emit beeps during POST errors?
In case of a video issue where screen messages can’t be displayed, beeps provide feedback on the problem.
Do you need to memorize different beep codes for the A+ certification?
No, different manufacturers use different beep codes; refer to the motherboard documentation.
What might a blank screen with POST beeps indicate?
Possible issues with the video adapter, memory, CPU, or BIOS configuration.
What causes a system to display an incorrect date and time during boot?
A depleted or faulty battery on the motherboard affecting the BIOS.
What should you check if your system tries to boot from the wrong drive?
Check the boot order in the BIOS configuration and ensure the correct drive is set as the primary boot device.
What should you do if a USB drive is causing boot issues?
Remove the USB drive and restart the computer.
What is a Windows Stop Error?
A fatal error also known as the ‘Blue Screen of Death,’ indicating a serious system issue.
Where can you find details about a Windows Stop Error if the screen disappears quickly?
In the Windows Event Viewer.
What should you do if a Windows blue screen error is persistent?
Contact the hardware manufacturer or refer to Microsoft’s website using the stop code for troubleshooting.
What are some reasons for a Windows blue screen error?
Bad hardware, incompatible drivers, or malfunctioning applications.
What is Safe Mode useful for?
Diagnosing problems by loading minimal drivers, helpful if the system won’t boot normally.
What is the ‘Spinning Beach Ball of Death’ in macOS?
A cursor indicating the system is busy and the process must complete before regaining control.
What should you check if your monitor displays a black screen?
Ensure all cables are properly connected, and check the monitor input settings.