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What device do you have?
When you say it flickers, please describe the flickering so that we are able to imagine what is going on. Is it a constant flicker like it is strobing intentionally, is random with no pattern, does it mater if you're moving, like a short circuit, please describe?
What happens if you do it in safe mode?
If it worked Okay last night and it only happened this morning, will it do it if you turn it on right now?
Is this the first time this has happened? If not please tell us what happened last time?
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