A+ 220-1201 Dumps PDF

Dot matrix printersuse aninked ribbonthat physically contacts the paper through tiny pins. Over time, the ribbon wears out or dries up, resulting infaded or light print output. Replacing the ribbon restores print quality.

Option A:Cleaning helps with image clarity, not ink density.

Option C:Maintenance kits apply to laser printers, not dot matrix.

Option D:Calibration affects print position, not darkness.

CompTIA A+ Core 1 Exam Objective Reference:

Objective 3.7: Given a scenario, troubleshoot common printer problems.

===========

A. Check the product manual for the procedure:

When hardware is not easily accessible, always consult the product manual for proper disassembly procedures. Forcing the cover can damage the laptop or void the warranty.

Product manuals often provide step-by-step instructions for safely accessing internal components.

Incorrect Options:

B. Use a pry tool to force the cover open: Forcing the cover can cause physical damage to the device.

C. Insert the wireless card into the M.2 slot: This step cannot be performed until the cover is properly removed.

D. Try to move the cover by sliding it in all directions: Randomly sliding the cover can cause damage if the correct removal method is not followed.

Key Takeaway: Always refer to the product manual to ensure safe and proper disassembly of laptop components.

When a laptop powers on but the screen is blank, the quickest way to isolate the problem is to connect to an external monitor. This helps determine if the issue is with the laptop display or with the graphics subsystem.

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

“A blank screen on a laptop with power indicators lit should be tested with an external display first to rule out a faulty screen or ribbon cable.”

Verified Source:

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

CompTIA Exam Objectives 220-1101, Domain 4.1

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

A modular power supply allows the user to connect only the cables needed, reducing clutter and improving organization inside the case.

From CompTIA A+ 220-1101 Official Study Guide, Objective 3.3 – Power supplies:

“Modular power supplies provide detachable cables, allowing users to use only the required connections for a neater build.”

Verified Source:

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

CompTIA Exam Objectives 220-1101, Domain 3.3

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