During a presentation, a projector intermittently flashes and goes black before displaying the image again. The presenter confirms that the projector was operating correctly earlier in the day. What should be the BEST next step to troubleshoot this flashing screen issue?
Update the video drivers on the connected computer, since this could be causing the flashing issue
Replace the projector bulb, as flashing can be indicative of a bulb nearing the end of its life
Adjust the refresh rate settings on the projector since improper configuration can cause screen flicker
Check and ensure the video cable connections are secure between the projector and the source
The most appropriate step after confirming that the issue is not with the power supply is to check the video cable connections. Intermittent flashing could be a result of loose connections or a faulty cable that only loses signal temporarily when moved. If the issue persists after ensuring secure connections, additional steps may include testing the cables for faults or checking the projector settings. Updating video drivers may be relevant for computer issues, but in this case, as it is a projector that is in question, this approach is less likely applicable, especially since the projector was working well earlier. Replacing the bulb as a first resort is not cost-effective without first confirming it is causing the issue.
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What symptoms indicate that a projector bulb might need to be replaced?