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3.3K Posts

January 26th, 2013 21:00

Hi Groovechild,

LCD Smudges are due to keyboard alignment. Kindly private message me the service tag. I will review your account and take the case forward.

Follow below steps to isolate the heat issue:

I recommend BIOS update on the computer.

I have provided a link below for   BIOS update:

http://dell.to/PUN1u1 

  • During BIOS update verify that the computer is connected to an AC Adapter.
  • Disconnect any third party peripherals connected to the computer before performing BIOS update.
  • Do not turn off the computer during the BIOS update.
  • Do not restart the computer during the BIOS update.

Note: Plug your computer to a good, working UPS before you update the BIOS. If you experience a loss of AC power or a significant voltage sag/spike during the BIOS flash, you will either have to buy a new BIOS chip or buy a new motherboard.

Clean Air vents:

  1. Check the vents on the computer to see if they are covered with dust and not allowing heat and air to pass through.
  2. Use a compressed air can to blow the dust out of the vents. Be sure to hold the can at an upright (near 90 degree angle) and hold it 15-20 centimeters (6-8 inches) away from the target.
  3. Turn off the System
  4. Remove all power sources: Unplug the AC Adapter and Remove the Battery, or Unplug the Desktop Power Cord.

Hardware Diagnostics Check:

Run diagnostics on the computer. (Hold down the FN + Power button simultaneously).

Let me know the status.

Awaiting your response!

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