Saturday, August 13, 2011

Vaio VPCSC1AFM - Won't turn on

The computer will not turn on or has no power.

  • While following this procedure, note the LED status at each step. This will provide additional information for the technician if repair becomes necessary.
  • If model-specific information is required to complete any of the steps in this solution, refer to the operating instructions supplied with the product. Manuals are available online through the Manuals/Specs/Warranty link on this page.
NOTE: Some computers are designed with hooks above the LCD screen that secure the lid when closed. A switch inside the holes below the touchpad detects when the lid is closed and latched. If the switch is stuck, the computer may not turn on properly. Check to make sure the switch is working properly.
  1. Connect the AC adapter into a known working AC outlet and to the DC jack on the notebook.
    • Verify the correct Sony AC adapter is being used, and not a third-party replacement AC adapter. To determine the model number of the AC adapter for your computer, refer to the specifications available online through theManuals/Specs/Warranty link on this page.
    • Do not connect the AC adapter to a surge protector or extension cord.
    • If the DC jack on the computer is loose or damaged, the computer may require service.
    • Some AC adapters have a POWER LED indicator and can be confirmed as receiving power by ensuring the LED is lit. If the AC adapter is damaged, or the LED is not lit or continuously flickers when plugged into a working AC outlet, the adapter must be replaced. A replacement AC adapter can be obtained from the Sony® Parts and Accessories Sales Web site at or by calling (239) 768-7691.
  2. Attempt to turn on the computer normally.
  3. Press and hold the Power Switch for 5 seconds.
  4. Remove the battery.
  5. Disconnect the AC power adapter.
  6. Press and hold the Power Switch for 5 seconds.
  7. Connect the AC power adapter.
  8. Attempt to turn on the computer.
    NOTE: If the computer turns on without the battery, connect and charge the battery for 24 hours.
  9. Disconnect all external devices that are connected to the computer.
    • These devices include, but are not limited to, a modem, floppy disk drive, network connection, USB device, printer, keyboard, or mouse.
    • On older model computers, the maximum current output from the USB is 500ma. If a connected USB device draws more current than this amount, the unit may not power on.
  10. Attempt to turn on the computer.
  11. Remove any additional Random Access Memory (RAM) that was installed in the computer.
  12. Attempt to turn on the computer.
    • The troubleshooting steps listed above should resolve your issue. If you have completed all of the steps and the issue is not resolved, service may be required.
    • When shipping the computer for repair, include all notes of the LED status that display during troubleshooting.

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