Question about Sony VAIO VGN-FS660 Notebook

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Does not Start..

Model -- VGN-FS660\W Problem : Not sure/NO clue..system is not starting...with power or without light is displaying on the laptop when I am connecting to an adapter. It is 13 months old laptop and I tried to call SONY support but those guys are asking 29.99 for a single query.. I would really appreciate if you can help me any way. Thanks and Best regards, Mark.

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  • Anonymous Nov 10, 2008

    operating system not found



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Possible power cable fault, hard to tell really, especially if you ran the laptop battery flat, but it may be a flat cmos (bios) motherboard battery, also check that the hibernate switch where you close your laptop lid is not stuck down as this will dissable power up.

Posted on Oct 10, 2006

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I have the same problem and believe I have discovered the source of the problem. When I removed the back panel of the laptop, it started up just fine. I discovered that when applying pressure to the back of the board in the area of the hibernate switch, the laptop went into hibernate mode. If I kept pressure on the switch (simulating the back cover in place) I was not able to restart the laptop. However once I released the pressure, the laptop started just fine.

The switch seems to be spring actuated, designed to trigger the hibernate mode when the latch applies pressure against the switch depressing the spring. Apparantly the speing has failed thus resulting in the switch being engaged all the time.

I don't know if Sony makes a replacement switch but that seems to be what would solve the problem. I have learned one thing though, there is more built-in obsolecence in these machines all the time. I don't understand why they can't simply make a long lasting product for the $$$ we spend.


Posted on Feb 11, 2010


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There are 2 ways you can reset your bios2_bing.gif.

1. On the motherboard there is a small watch battery. Remove this battery along with the power cable from the power supply. Hold down the power button to fully discharge the system. Wait 2-3 minutes then reinstall the battery and plug in2_bing.gif your system. Your reset is now complete

2. Some motherboards have a 3 pin jumper by the battery. Lets say that the jumper is on pins 2 and 3. Remove the jumper while the machine is OFF and place onto pins 1 and 2. Power on your machine for a minute. (Note: Your system will not POST). Shutdown your machine and put the jumper back to pins 2 and 3. Your reset is now complete

This is a great troubleshooting2_bing.gif step for those of you having POST issues or no POSTing at all. Like other troubleshooting steps, this will not always work but usually will depending on the problem.

Please let me know if you have any further questions or concerns.

Sep 30, 2009 | Sony VAIO VGN-FS660/W Notebook

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Sony vaio fs vgn fs660

Sounds like you need your original drivers

Click below, select your operating system and what driver you want

If this helps, click YES below.

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How to open and install new ram module pn vaio vgn-fs660

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There is no power going into my laptop with or without power cord. It has a battery in it and the power cable seems like it is getting power, because the green light is on on the box.

check your DC output voltage using multimeter. if you dont have a multimeter short circuit your power pin using a wire or paper clip. if that green light goes off your charging unite is working properly. 

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Battery for VGN-FS660\W

Hi sailor285,

Here is a website address that has the battery that you need for less than $80 US.

Hope that helps...

Take Care,


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The CMOS battery is located under the system board, and is not accessible from under the keyboard.

The keyboard has to be removed in order to change the CMOS batter, (another reason why I don't like Sony laptops.)

Below is the batter I just pulled from a user's VGN-FS660\W 892cbd5.jpg

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