CompTIA A+ 2201 Exam Preparation

These flashcards cover key terms and concepts from the CompTIA A+ 2201 exam related to mobile device hardware monitoring and replacement.

Battery Symptoms

Quick battery drain, device randomly shuts off, swollen battery case, or overheating.

Monitoring Battery Health on iOS

Go to Settings, then Battery, to check Battery Health and Charging.

Monitoring Battery Health on Android

Access usage stats or use apps like Acu Battery.

Keyboards Symptoms

Unresponsive keys, sticky buttons, or random keystrokes (ghost typing).

Monitoring Keyboard Issues

Use tools like Keyboard Tester or Windows Device Manager.

Replacement Steps for Keyboard

Shut down, unplug, remove screws, use a pry tool, disconnect ribbon cable.

Random Access Memory (RAM) Symptoms

Sluggish performance, frequent app crashes, blue screen errors.

Monitoring RAM Usage

Use Task Manager in Windows or Activity Monitor on Mac.

Replacement Steps for RAM

Power down, locate RAM compartment, press clips to release, install new RAM stick.

Hard Disk Drive (HDD) Symptoms

Sluggish boot times, clicking noises, frequent crashes.

Monitoring Drive Health

Use Crystal Disk Info or MacOS Disk Utility to check drive health.

Replacement Steps for HDD

Back up data, remove drive cover, disconnect interface, install new drive.

Wi-Fi Card Symptoms

Cannot connect to Wi-Fi, signal drops, Bluetooth issues.

Monitoring Wi-Fi Card Issues

Check Device Manager for errors or use Windows Network Troubleshooter.

Replacement Steps for Wi-Fi Card

Power off, access wireless card bay, detach antenna cables, insert new card.

Biometric Scanner Symptoms

Inconsistent authentication, setup error messages.

Monitoring Biometric Scanner Issues

Reconfigure settings or check for OS and driver updates.

Replacement Steps for Biometric Scanner

Pry off cover, disconnect sensor cable, install replacement part.

Near Field Communication (NFC) Issues

Cannot make tap-to-pay transactions, devices do not detect tags.

Monitoring NFC Functionality

Use built-in testing apps and ensure NFC is enabled in system settings.

Camera Symptoms

Black screen, blurry photos, application crashes.

Monitoring Camera Functionality

Access camera in multiple apps, check for driver issues.

Replacement Steps for Camera

Remove back cover, disconnect ribbon cable, install new camera.

Microphone Symptoms

Poor audio quality, users cannot hear you on calls.

Monitoring Microphone Functionality

Test with voice recording app, try external mic.

Safety Checklist Before Repair

Power down, unplug, use ESD strap, work in clean area, keep track of screws.