Basic Troubleshooting (Practical Guide).pptx

Basic trouble for hardware peripherals

1. Basic Hardware Troubleshooting A practical guide to resolving common computer issues in the computer lab.

2. John press the power button of the computer, but nothing happens.

3. Computer Won't Turn On

4. 01 Check Power Cable Ensure it's firmly plugged into the PC and the power outlet. 02 Test Power Outlet Use another device to confirm the outlet is functional.

5. 03 CPU Power Switch Locate and turn on the main power switch at the back of the CPU. 04 Report Issue If it still fails to start, inform your teacher or technician.

6. When Tan looked at the monitor, nothing appeared. The screen stayed completely black, without even the usual blinking cursor or startup logo. Tan frowned. “The CPU is working, but why is the monitor not showing anything?” he wondered.

7. No Display on the Monitor

8. Monitor Power Verify the monitor's power LED is illuminated. Cable Connection Check HDMI/VGA cable at both CPU and monitor ends.

9. Reconnect Cable Try tightening or fully reconnecting the display cable. Test Alternatives If still blank, try a different monitor or cable.

10. Keyboard Not Working You try to type, but nothing appears on the screen. Here's how to troubleshoot: Check USB Port Ensure the keyboard is securely plugged into a USB port. Try Another Port Switch the keyboard to a different USB port on the computer. Restart Computer Restart the computer to refresh all peripheral connections. Replace Keyboard If still unresponsive, replace it with a known working keyboard.

11. Mouse Not Working You move the mouse, but the pointer doesn’t move. Try these steps: Check USB Cable Verify the mouse's USB cable is properly connected. Different USB Port Plug it into an alternative USB port on the computer. Sensor Light Confirm the mouse’s red optical sensor light is glowing. Replace Mouse If it's still not working, replace it with another mouse.

12. Strange Noises from CPU Hearing a loud grinding or buzzing sound from your computer? Act quickly: Shut Down Immediately Power off the computer to prevent potential damage. Identify Source Listen carefully to determine if the noise is from a fan or a loose part. Inspect CPU (If Safe) Check inside the CPU for dust buildup or loose screws. Report to Technician If the noise continues, report the issue to a technician.

13. Computer Suddenly Restarts or Shuts Down If your PC unexpectedly restarts or powers off, consider these factors: 1 Overheating? Touch the side of the CPU case to check for excessive heat. 2 Fan Function Ensure the CPU fan is running and providing adequate cooling. 3 Ventilation Place the computer in a cool, well-ventilated area. 4 Secure Power Verify the power cord is firmly and securely connected.

14. No Sound from Speakers or Headphones Playing a video but hearing nothing? Check these audio basics: Connection Check Are speakers or headphones properly plugged in? Volume Muted? Ensure the volume is not muted in Windows settings. Alternate Port Try plugging into a different audio port on the PC. Test New Device Use another headset or speaker to isolate the problem.

15. USB Device Not Detected You insert your flash drive, but the computer doesn’t detect it. Troubleshoot: Reinsert Device: Remove and reinsert the flash drive firmly. Try Another Port: Plug it into a different USB port on the computer. Restart Computer: A system restart can often refresh USB connections. Test on Another PC: Verify if the flash drive works on a different computer.

16. Tips: Always use the C.A.R.E. Method Check Connections Ensure all cables and peripherals are securely connected. Ask What Happened Gather context about actions taken before the issue arose. Restart Computer A simple restart often resolves minor glitches and refreshes the system. Examine Error Messages Look for any displayed error messages; they provide crucial diagnostic clues.