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Image flicker usually only occurs with digital monitors if an incorrect screen refresh rate is set.
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Please check the resolution of your display (screen) to see if the number of pixel errors is still within the specified tolerance range.
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This will tell you if your memory card is faulty.
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Increasing volume usually results from faster running fans. This can be caused by continuous background processes or dusty fans.
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First check if your notebook is getting enough cooling air. Even dusty fans degrade the cooling performance.
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For computers that are running with a Windows operating system, Windows offers its own troubleshooting which can help you immediately.
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Sometimes it is enough to reinstall or update the driver so that everything works again.
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If you have no sound or the volume is too low from the connected speakers or headphones?
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Does the power outlet, you have connected your products power lead to, work?
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First, the BIOS settings should be checked.
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Check with the pixel error class if it is a warranty case.
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Check the primary side power supply and, if present, the on / off switch of the power supply.
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The setting options differ depending on the product.
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In this case, a residual current discharge (power supply reset) can help.
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This could be due to a too low refresh rate (Hertz).
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There may be a cable break, one of the most common signs of wear on electrical equipment.
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Please check the power supply first.
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Battery powered devices offer some adjustment options to increase the runtime.
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First, attach your device to a different power outlet and see if this results in the fuse tripping.
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If the spots always remain in the same place even when the picture changes it will be pixel errors.
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