CompTIA A+ Core 1 Practice Test 9

CompTIA A+ Core 1 Quizzes

1 / 20

A user reports that their laptop screen is black, but the laptop is powered on. Connecting an external monitor shows a display. What is the most likely cause?

2 / 20

A technician is troubleshooting a laptop that is overheating. The fan is running at full speed. What should they check?

3 / 20

A user is experiencing lag when playing online games, but their internet speed is fast. What should the technician check?

4 / 20

A user complains that their USB flash drive is transferring files very slowly. The drive is USB 3.0, and the computer has USB 3.0 ports. What should the technician check?

5 / 20

A user reports that they cannot connect to a shared network printer. Other users are printing fine. What should the technician check?

6 / 20

A technician replaces a failed hard drive in a computer, but now the system does not recognize any bootable drives. What should they check first?

7 / 20

A technician is troubleshooting a laptop that will not turn on. The battery and charger have been tested and are working. What should they check next?

8 / 20

A user reports that their laptop’s battery percentage is stuck at 50% and will not charge further. What is the most likely cause?

9 / 20

A user reports that their external hard drive is not recognized by Windows. It works on other computers. What should the technician check first?

10 / 20

A technician is troubleshooting a laptop with a non-functional keyboard. External keyboards work fine. What is the most likely cause?

11 / 20

A desktop computer powers on, but there is no display. The technician swaps the monitor and cable, but the issue persists. What should they check next?

12 / 20

A technician installs a new SSD in a laptop, but it is not detected in BIOS. What should they check first?

13 / 20

A user reports that their laptop’s Wi-Fi is not working, but other devices on the same network are fine. The Wi-Fi toggle is grayed out. What should the technician check first?

14 / 20

A user’s mouse cursor is jumping around and behaving erratically. The mouse works fine on another computer. What should the technician check?

15 / 20

A technician is troubleshooting a laptop that randomly powers off. The battery and charger are functional. What is the most likely cause?

16 / 20

A technician replaces a power supply, but now the PC turns on for a second and then shuts down. What is the most likely cause?

17 / 20

A user reports that their speakers are not producing sound. The volume is up, and they are plugged in. What should the technician check next?

18 / 20

A technician is troubleshooting a slow-performing PC. Task Manager shows 100% disk usage. What should they check first?

19 / 20

A laptop user complains that their screen is flickering. External monitors work fine. What is the most likely cause?

20 / 20

A user reports that their desktop is making a beeping noise on startup and fails to boot. What should the technician check first?

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