Dell Computer Does Not Turn On Or Boot Into Windows With Errors ...

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Ensure all the air vents are unobstructed. Excessive heat can damage the internal components such as the CPU, Power Supply, and cooling fans. Overheating often occurs when dust or debris is blocking the air vents, exhaust ports, or the fan is clogged. To prevent overheating, keep the computer on a hard or sturdy surface, and provide adequate clearance around the air vents.

See the video and the instructions below on how to ensure that the air vents are clean.

How to Clean Air Vents

Duration: 02:00 Subtitles: Available in multiple languages. Click the Subtitles icon and select the language that you want.

  1. Disconnect the AC adapter.
  2. Check the air vents on the computer for dust or debris. Vents may be located in various places depending on the computer model. See the User Manual for your Dell computer.
  3. Use a can of compressed air to remove dust or debris from the air vents. CAUTION: Follow the instructions on the side of the compressed air can, as using compressed air incorrectly can damage your computer. CAUTION: Do not try to blow the dust off with your mouth, as the moisture can permanently damage electronic or electrical components. CAUTION: Do not use vacuum cleaners or blowers. Vacuum cleaners and blowers cause static and may damage electronic or electrical components inside your computer.

For more information, see Dell Knowledge Base article How to Troubleshoot Overheating, Shutdown, or Thermal Issue on a Dell Computer.

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