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Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement

  1. Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement, Side Panel: Schritt 1, Bild 1 von 1
    • Make sure to shut down the computer! Go to the start menu and click shutdown from the power options first

    • Ensure all cables, speakers and other devices are unplugged and turned off before opening the computer case.

  2. Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement: Schritt 2, Bild 1 von 1
    • Lay the computer on its side; you will see a blue knob.

    • Turn said knob 90 degrees counter clockwise.

  3. Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement: Schritt 3, Bild 1 von 1
    • While the knob is still turned, slide the panel case forward about 1/2 inch, and then lift the panel off the computer.

  4. Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement, CPU Heat Sink: Schritt 4, Bild 1 von 2 Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement, CPU Heat Sink: Schritt 4, Bild 2 von 2
    • Remove the blue shield by sliding it straight upwards.

  5. Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement: Schritt 5, Bild 1 von 3 Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement: Schritt 5, Bild 2 von 3 Dell Optiplex 745 Ultra Small Form Factor CPU Heat Sink Replacement: Schritt 5, Bild 3 von 3
    • Pull back on the tab nearest to the front case fan.

    • Slide the CPU heat sink from under the clip and pull upward.

    • You may need to twist the CPU heat sink side to side to free it from the thermal paste.

Abschluss

To reassemble your device, follow these instructions in reverse order. Don't forget to reapply the thermal compound when reinstalling the heat sink.

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