Pearson 220-1201 New Attempt

When a technician encounters a burning smell, it is a critical safety issue. The first response must be to immediately power down and disconnect the device from all power sources to prevent electric shock, fire, or further hardware damage.

From the CompTIA A+ 220-1101 Official Study Guide, Objective 4.1 – Troubleshoot common hardware problems:

" Signs of electrical issues such as burning smells, smoke, or sparks require an immediate shutdown of the system and disconnection from any power source. "

After ensuring safety, the technician should inspect the hardware for visible signs of damage:

From the same Objective (4.1):

" Inspect for foreign objects, liquid damage, or burnt components. These can cause short circuits or thermal events that may damage the motherboard or other internal components. "

These steps are standard practice in the industry to ensure safe and accurate diagnosis of faulty devices. Trying a different adapter (Option F) may make the problem worse, and contacting vendors (Option D) comes after initial safety and inspection.

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 4: Troubleshooting Hardware Problems

CompTIA Exam Objectives 220-1101, Domain 4.0 – Hardware and Network Troubleshooting

If newly installed RAM is not fully recognized, the most likely cause is incorrect installation or incompatible slots. Reseating or reinstalling the RAM modules in the correct slots can quickly resolve the issue without extra cost.

From CompTIA A+ 220-1101 Official Study Guide, Objective 3.2 – Install and configure PC components:

" If memory is not detected, check installation and reseat modules. Ensure they are placed in the correct, matched slots for dual-channel operation. "

Verified Source:

CompTIA A+ Core 1 (220-1101) Official Study Guide, Chapter 3: Memory Installation

CompTIA Exam Objectives 220-1101, Domain 3.2

============

A loopback plug is a diagnostic tool used to test whether a physical port such as an Ethernet NIC port or serial port is capable of sending and receiving its own signal. When inserted, it “loops” outgoing signals back into the device, confirming the port ' s transmit/receive functionality.

CompTIA A+ emphasizes loopback plugs as essential tools during hardware and network troubleshooting, especially when isolating physical port or NIC failures.

Network taps passively monitor traffic, crimpers attach RJ45 connectors to cables, and patch panels organize cabling none of these verify port-level functionality. Therefore, only a loopback plug can confirm that a port is working correctly by testing signal integrity and hardware responsiveness.

The most likely cause isthird-party or ill-fitting casesobstructing the contact between the stylus and the tablet charging mechanism. Some cases may not be designed with stylus charging in mind, particularly if users are purchasing their own accessories.

Option B:A software update might fix OS-related issues, but would not typically affect physical charging.

Option C:If some devices had defects, the issue would likely be consistent, not isolated to some users.

Option D:Firmware issues could be a factor but are less likely than physical obstructions when users are using different accessories.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 1.4: Given a scenario, configure settings and use cases for laptops and mobile devices.