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Sony vgn-s1xp won't power up

I have a sony vgn-s1xp (similar to s360), which won't power up at all, no lights. I checked the voltage on the motherboard and is the correct one. I think something has fried on the motherboard. I need help to locate this part and fix it. Replacement of motherboard is out of question (600-900$). Please help

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  • getvas Dec 14, 2008

    I have the same problem, when I connect my laptop to the DC power with out a battery it would never turn on. Unless I connect the battery to the notebook.

    Please let me know the solution to solve this problem.


  • Randy107 Mar 21, 2009

    Hello Mike,

    Thanks for the detailed repair of a Sony VGN-S360P laptop that will not power up. I have tried all of your suggestions and the laptop is totally dead. I measured the voltage at the motherboard that comes in from the power jack and it shows approximately 16 volts which is correct. However the on-off switch does nothing. Typically when the computer is off the charge light will blink if it is plugged into AC power. That doesn't even happen. I think my computer has had a "stroke" and has coded. Do you have any other pertinent ideas?

    Please email me at


  • darryl coueslant May 11, 2010

    Is it as simple as the power switch itself?



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Follow the procedure below to troubleshoot no power or the VGN-S1XP (VGN-S360) does not turn on.

While following this procedure, note the LED status at each step. This will provide additional information for further troubleshooting.

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 [picture attached] 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.

Connect the AC adapter into a known working AC outlet and to the DC jack on the notebook.

NOTES: 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 when plugged into a working AC outlet, the adapter must be replaced.

1. Attempt to turn on the computer. If same, press and hold the Power Switch for 15 seconds and try again.
2. If issue persists, remove the battery; disconnect the AC power adapter; press and hold the Power Switch for another 15 seconds.
3. Connect the AC power adapter. Attempt to turn on the computer. If the computer turns on without the battery, connect and charge the battery for 24 hours.
4. 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. Attempt to turn on the computer.
5. If issue persists, remove any additional Random Access Memory (RAM) that was installed in the computer and attempt to turn on the computer.
6. If same, remove all RAM and attempt to turn on the computer. Note beep codes and pattern.
Ensure to remove battery and disconnect AC before opening up the laptop to remove RAM. Electrostatic Discharge (ESD) precautions should also be adhered to.

NOTES: 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. (In this case, the system board and or other parts may likely be faulty.)
sony vgn-s1xp won't power up - c840e8e.jpg

Posted on Mar 27, 2008


Get a Mac

Posted on Jul 18, 2008


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