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Exam 220-1101 topic 1 question 157 discussion

Actual exam question from CompTIA's 220-1101

Question #: 157
Topic #: 1

A technician goes to a classroom to troubleshoot a projector that occasionally powers off. The technician recreates the issue and notices the projector will not power back on until approximately 15 minutes have passed. After 15 minutes of being powered on, the projector shuts off again. Which of the following should the technician perform NEXT to resolve the issue?

A. Clean the filter.
B. Adjust the standby timeout.
C. Check the power cable connection.
D. Replace the bulb.

Show Suggested Answer

Suggested Answer: A 🗳️

by Oushi at Dec. 9, 2022, 3:57 p.m.

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Oushi

Highly Voted 2 years, 6 months ago

I think this has to be A. Timeout could cause the shutdown but it wouldn't prevent the projector from being powered on for 15 minutes. Overheating might. The projector shuts off when it's too hot and won't come back on until it has adequately cooled. Cleaning the filter makes the most sense to help prevent overheating.

upvoted 14 times

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Nate_A

Most Recent 7 months, 1 week ago

The technician should B. Adjust the standby timeout. The projector is likely set to a short standby timeout, causing it to power off after a certain period of inactivity. Adjusting this setting to a longer duration or disabling it altogether should resolve the issue. The other options are less likely to be the cause of the problem: A. Cleaning the filter would be more relevant if the issue was related to overheating. C. Checking the power cable connection would be a good first step in general troubleshooting, but it's less likely to be the cause of the intermittent power-off behavior. D. Replacing the bulb would be considered if the projector was having issues with image quality or brightness, not intermittent power-offs. Google Gemini

upvoted 1 times

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YAXMA

9 months, 1 week ago

Selected Answer: A

A. Clean the filter. The behavior of the projector (shutting down after a period of time and needing to cool down before powering back on) is a classic symptom of overheating. Dust buildup on the filter can obstruct airflow, causing the projector to overheat and shut down to protect itself. Cleaning the filter should improve airflow and help resolve the issue.

upvoted 2 times

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MikeNY85

1 year, 1 month ago

Selected Answer: A

A clogged air filter prevents air flow within projector, hence overheating leading to intermittent power off. It won't turn on till it cools down. Standby timeout turns off the projector but it doesn't prevent from turning back on again

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Waldem

1 year, 5 months ago

If a projector occasionally powers off and will not power back on until approximately 15 minutes have passed, the technician should first clean the filter. A clogged filter can cause the projector to overheat and shut down. Cleaning the filter can help to improve airflow and prevent overheating. If cleaning the filter does not resolve the issue, the technician should then check the power cable connection to ensure that it is securely connected to the projector and to a working electrical outlet. A loose or damaged power cable can cause the projector to lose power. Adjusting the standby timeout is not the best option for this scenario, as the projector is not entering standby mode. Replacing the bulb is not the best option for this scenario, as the bulb is not mentioned as the cause of the issue. I hope this helps! Let me know if you have any other questions.

upvoted 1 times

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Raffaelloo

1 year, 7 months ago

Selected Answer: A

Projectors may shut off for a couple different reasons. If the projector over heats, check to see if there is enough ventilation for air to be circulated around the unit. Make sure fans are running and that there is no obstruction. Let it cool, clear obstructions and check fans when turning the unit back on

upvoted 1 times

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alforg03

1 year, 7 months ago

Selected Answer: B

it is the correct answer

upvoted 1 times

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Haidir

1 year, 8 months ago

Selected Answer: D

Replace the balp because it has reached its life-cycle (mileage) therefore projector will auto shut it down

upvoted 1 times

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Emekus

1 year, 8 months ago

I got this on my training and it was either fans not working/dirty clogged filters causing it to overheat and shutdown, so answer is A

upvoted 2 times

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Andylove

1 year, 10 months ago

Selected Answer: A

The next step the technician should perform to resolve the issue of the projector occasionally powering off is to clean the filter. Projectors have air filters that prevent dust and debris from entering and causing overheating issues. When the filter becomes clogged with dust, it can lead to overheating, which might trigger the projector to shut down to protect itself.

upvoted 2 times

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maggie22

1 year, 11 months ago

"perform NEXT" this is very logical question. What's the cause of overheating? dust and dirty filter. Therefore, the answer is A.

upvoted 1 times

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Tomeq

2 years, 2 months ago

Selected Answer: A

It looks like overheating. Projector cannot power on for 15 minutes time because it needs time to cool down. Dust and dirt which accumulated on the vents and fans might cause it. So answer A seems be the choice

upvoted 1 times

Tomeq

2 years, 2 months ago

CompTIA CertMaster " Intermittent projector shutdown is typically caused by overheating. Check that the projector’s fan is working, that the vents are free from dust and are not obstructed and that the ambient temperature is not too high. If you can rule out overheating, check for loose connector cables and verify that the bulb is secured properly."

upvoted 1 times

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Thapas

2 years, 2 months ago

Selected Answer: B

The fact that the projector shuts off after being powered on for approximately 15 minutes and then will not power back on until another 15 minutes have passed suggests that the bulb may be reaching the end of its life and overheating. As the bulb heats up, it may be triggering a thermal sensor or safety switch that shuts off the projector to prevent damage. After the bulb cools down, the projector is able to power on again until it reaches a certain temperature and shuts off once more.

upvoted 4 times

Thunder_Cat

2 years, 2 months ago

According to CompTIA CertMaster the answer is 'A': Intermittent projector shutdown is typically caused by overheating. Check that the projector’s fan is working, that the vents are free from dust and are not obstructed, and that the ambient temperature is not too high. If you can rule out overheating, check for loose connector cables and verify that the bulb is secured properly.

upvoted 3 times

R_O_Y_3

2 years, 2 months ago

YEAH! I find it hard to believe it was because of standby timeout.

upvoted 2 times

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ronniehaang

2 years, 4 months ago

Selected Answer: A

Based on the symptoms described, the issue is likely related to overheating. As such, the technician should perform the following: A. Clean the filter: Over time, projectors can accumulate dust and debris, which can block the airflow and cause overheating. By cleaning the filter, the technician can remove any blockages and ensure proper airflow to the projector, which can help resolve the issue. It is important to note that if cleaning the filter does not resolve the issue, the technician should investigate other potential causes, such as a faulty cooling fan or a malfunctioning power supply.

upvoted 2 times

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BobBud

2 years, 4 months ago

Selected Answer: A

I would say Overheating, thus the answer is A.

upvoted 2 times

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Shah_Naaz

2 years, 4 months ago

Selected Answer: A

Based on the information provided, it appears that the projector is shutting off due to overheating. If the projector powers off after a certain amount of time and then can't be turned back on for a set period of time, it is likely that the projector is overheating and shutting down to prevent damage.

upvoted 4 times

Shah_Naaz

2 years, 4 months ago

The first step the technician should take to resolve the issue is to clean the filter (Option A). The projector's filter is responsible for removing dust and other particles from the air that is drawn into the projector to cool the internal components. If the filter becomes clogged, it can restrict the airflow into the projector, causing it to overheat. After cleaning the filter, the technician should check the power cable connection (Option C) to ensure it is secure and there are no loose or frayed wires. The technician should also check the projector's ventilation system to ensure that air is able to circulate freely and cool the projector. If these steps do not resolve the issue, the technician may need to replace the bulb (Option D), as it could be drawing too much power and causing the projector to overheat. In some cases, adjusting the standby timeout (Option B) could also help to resolve the issue, but this is not likely to be the root cause, as the projector is shutting off due to overheating, not due to a timeout setting.

upvoted 3 times

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AnnoyingIAGuy

2 years, 4 months ago

Selected Answer: A

I would say A

upvoted 1 times

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