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简介

The replacement of your Dell Latitude E6420 laptop’s CPU may be needed in certain circumstances. This may include simply upgrading to a newer model when your current model has become obsolete or a failure of the current CPU. A common sign that your CPU may need to be replaced is the freezing of your laptop. Freezing of the laptop and the unresponsiveness may indicate that your CPU will need to be replaced. Another issue may be that the laptop will not boot up and the screen may even be blank even though your device is being powered. Convenience may also be a reason to upgrade your CPU. An upgrade will increase processing power and improving performance, making applications and programs load faster. The newer CPU may be more compatible with newer software and hardware. It may also be more energy efficient extending battery life for your device. For this replacement, no special skills are needed and the replacement can be done with basic tools like a flathead and Philips screwdriver.

  1. Dell Latitude E6420 CPU Replacement, Rear Panel Removal: 步骤 1 中的图像 1,2 Dell Latitude E6420 CPU Replacement, Rear Panel Removal: 步骤 1 中的图像 2,2
    • Remove the eight screws holding down the rear panel using a Phillips #0 Screwdriver. Carefully remove base cover by hand.

  2. Dell Latitude E6420 CPU Replacement, CPU: 步骤 2 中的图像 1,1
    • Remove the battery by pushing the highlighted tabs outward, then removing the battery from the device.

  3. Dell Latitude E6420 CPU Replacement: 步骤 3 中的图像 1,1
    • Remove the four screws securing the heatsink using the Phillips #0 Screwdriver.

    • Remove the heatsink. Heatsink is attached to fan unit.

  4. Dell Latitude E6420 CPU Replacement: 步骤 4 中的图像 1,1
    • Using a small flathead screwdriver, rotate the lock 180 degrees counterclockwise to unlock the CPU.

  5. Dell Latitude E6420 CPU Replacement: 步骤 5 中的图像 1,2 Dell Latitude E6420 CPU Replacement: 步骤 5 中的图像 2,2
    • Lift the CPU out of the motherboard assembly.

结论

To reassemble your device, follow these instructions in reverse order.

6等其他人完成本指南。

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