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Inspiron 157000 Series Service Manual

PDF

Before you begin

  1. Save and close all open files and exit all open applications.
  2. Shut down your computer.
    • Windows 10: Click or tap Start > Image: Power button Power > Shut down .
    • Windows 8.1: On the Start screen, click or tap the power icon Image: Power button > Shut down.
    • Windows 7: Click or tap Start > Shut down.
    • NOTE: If you are using a different operating system, see the documentation of your operating system for shut-down instructions.
  3. Disconnect your computer and all attached devices from their electrical outlets.
  4. Disconnect all cables such as telephone cables, network cables and so on, from your computer.
  5. Disconnect all attached devices and peripherals, such as keyboard, mouse, monitor, and so on, from your computer.
  6. Remove any media card and optical disc from your computer, if applicable.

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