hardMultiple ChoiceObjective-mapped
220-1201 Practice Question: A technician is installing a new touchscreen…
A technician is installing a new touchscreen monitor for a point-of-sale system. The monitor connects via HDMI and USB. The display works, but touch input is not recognized. What should the technician check first?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Install the touchscreen driver from the manufacturer
Touchscreen monitors often require both video (HDMI) and data (USB) connections. The USB cable provides the touch data to the computer. If the driver is missing or the USB connection is faulty, touch input won't work. The first step is to verify the USB connection and install the correct driver.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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Ensure the HDMI cable is securely connected
Why it's wrong here
The HDMI cable is responsible for transmitting video and audio signals from the computer to the monitor. If the display is showing an image, the HDMI connection is functioning correctly for its intended purpose. Touchscreen functionality, however, relies on a separate data connection, typically USB, to send input signals back to the computer. Therefore, ensuring the HDMI cable is secure would not address an issue with the touchscreen's input capabilities.
- ✓
Install the touchscreen driver from the manufacturer
Why this is correct
A touchscreen, like most peripheral devices, requires a specific device driver to function properly. This driver acts as a crucial software interface, allowing the operating system to communicate with the hardware, interpret raw touch input signals received via the USB data connection, and translate them into actionable commands. Without the correct driver installed, the system cannot recognize or process the touch data, rendering the touchscreen unresponsive to user input.
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Replace the USB cable with a higher-speed version
Why it's wrong here
Touchscreen input data, which primarily consists of coordinate information and touch events, has very low bandwidth requirements. A standard USB 2.0 cable, capable of transmitting data at up to 480 Mbps, provides more than sufficient speed for this type of input. Upgrading to a higher-speed USB 3.0 or newer cable would offer no performance benefit for touch data and would not resolve an underlying issue of the touchscreen not being recognized or functioning.
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Calibrate the touchscreen in Windows settings
Why it's wrong here
Touchscreen calibration is a process performed *after* the device driver is successfully installed and the operating system recognizes the touchscreen as an input device. Its primary purpose is to fine-tune the accuracy of touch input, ensuring that the touch point precisely matches the displayed cursor. If the touchscreen driver is missing or not installed, the system will not detect the device, making calibration options unavailable in Windows settings and rendering this step premature and ineffective.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 220-1201 practice question is part of Courseiva's free CompTIA certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 220-1201 exam.