A+ Peripheral and Port Troubleshooting Quiz

1. A USB 3.0 device works at USB 2.0 speeds. What is the most likely cause?

Device plugged into a USB 2.0 port instead of USB 3.0

System RAM is insufficient

BIOS is outdated

SSD is failing

2. A docking station provides no USB ports or network connectivity. Which is the most efficient diagnostic approach?

Test the docking station on another computer and verify drivers

Replace the docking station immediately

Reinstall the entire operating system

Replace the system motherboard

Submit

4. A USB webcam shows in Device Manager but is unavailable in applications. What is the most likely cause?

Driver issue or software blocking access to the device

Insufficient motherboard power

Failed graphics processing unit

Corrupted partition boot record

5. When a joystick or game controller is not recognized, where should you check for driver issues?

Device Manager under Human Interface Devices

System Properties Performance tab

Partition table in Disk Management

Event Viewer Security log

Submit

7. An external USB-C portable SSD is not detected on a laptop. Which troubleshooting action is most appropriate?

Check BIOS for USB-C port support and update drivers

Replace the motherboard immediately

Reformat the SSD without connecting

Disable all antivirus software

8. A VGA monitor displays only partial video output. What is a likely hardware issue?

Bent or damaged pins on the VGA connector

Insufficient CPU cores

Failed system memory

Corrupted file system

Submit

10. A serial port device is not responding. Which Windows utility helps diagnose serial port conflicts?

Device Manager Resource tab

Disk Defragmenter

Task Scheduler

Windows Defender

11. A USB 3.0 external hard drive is not recognized by the system. Which component should you check first?

BIOS/UEFI settings for USB ports

Device Manager for unknown devices

Power supply wattage

Hard drive firmware version

12. A wireless mouse and keyboard suddenly lose connection intermittently. What should be checked?

Bluetooth driver version and battery levels

Hard drive space remaining

BIOS boot order

Graphics card temperature

Submit

14. A DisplayPort monitor shows artifacts and flickering. Which is the most likely hardware cause?

Loose or damaged DisplayPort cable

Incompatible RAM modules

Failed system fan

Corrupted boot sector

15. A USB port on a desktop computer no longer provides power. What could indicate a port-level hardware failure?

Devices charge slowly through the port

Devices are not recognized but power is supplied

No devices are detected and no power is provided

Only USB 2.0 devices work

16. When an Ethernet port is not detecting a network connection, which diagnostic tool should you use first?

Ipconfig or ifconfig command

Device Manager to check for driver errors

Ping command to test connectivity

Disk Management utility

17. A USB keyboard works intermittently and drops connection. What is the primary cause?

Insufficient USB port power or loose connection

Keyboard battery depletion (if wireless)

Corrupted partition table

Expired SSL certificate on network

18. Audio is not working on a laptop with a 3.5mm headphone jack plugged in. Which action resolves this most often?

Update audio chipset drivers

Replace the motherboard

Increase volume in BIOS

Replace the power supply

19. A monitor connected via HDMI displays no signal even though the cable is secure. What should you verify next?

The graphics card VRAM capacity

The correct input source is selected on the monitor

The monitor's refresh rate setting

The system RAM speed

20. When a printer shows offline status but is powered on and connected, what is the most likely first step in troubleshooting?

Replace the printer's network card

Reinstall printer drivers and restart the print spooler

Replace the USB cable

Perform a BIOS reset

A+ Troubleshooting Peripheral and Port Failures Quiz

1. A USB 3.0 device works at USB 2.0 speeds. What is the most likely cause?

2.

What first name or nickname would you like us to use?

2. A docking station provides no USB ports or network connectivity. Which is the most efficient diagnostic approach?

3. When troubleshooting a failed parallel port printer, you should first verify the ____.

4. A USB webcam shows in Device Manager but is unavailable in applications. What is the most likely cause?

5. When a joystick or game controller is not recognized, where should you check for driver issues?

6. A network adapter shows as disabled in Device Manager. The correct first action is ____.

7. An external USB-C portable SSD is not detected on a laptop. Which troubleshooting action is most appropriate?

8. A VGA monitor displays only partial video output. What is a likely hardware issue?

9. When a scanner connected via USB is not recognized, the first troubleshooting step should be ____.

10. A serial port device is not responding. Which Windows utility helps diagnose serial port conflicts?

11. A USB 3.0 external hard drive is not recognized by the system. Which component should you check first?

12. A wireless mouse and keyboard suddenly lose connection intermittently. What should be checked?

13. When multiple USB devices connected to a hub stop working, the primary cause is usually ____.

14. A DisplayPort monitor shows artifacts and flickering. Which is the most likely hardware cause?

15. A USB port on a desktop computer no longer provides power. What could indicate a port-level hardware failure?

16. When an Ethernet port is not detecting a network connection, which diagnostic tool should you use first?

17. A USB keyboard works intermittently and drops connection. What is the primary cause?

18. Audio is not working on a laptop with a 3.5mm headphone jack plugged in. Which action resolves this most often?

19. A monitor connected via HDMI displays no signal even though the cable is secure. What should you verify next?

20. When a printer shows offline status but is powered on and connected, what is the most likely first step in troubleshooting?