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How to open Sony Vaio PCG-4G1M?

When I did unscrew 7 screws and 3 additional from under the screen there is still something holding it together from the center. Can't find the problem.

2) How to know if power needs to be changed (I suspect it blew up) and how to do that?

Got the puter from a friend who described as if something blew up. It is dusty and small, the friend had no mercy on a thing. So, I am just playing with it. But if it is possible to fix it on my own I would be most excited! :)

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  • walden Dec 08, 2007

    Thank you for the reply. However, I do need more specific directions. The problem is I can't see any more screws to unscrew. They must be hidden. But where? I have searched around in the internet and there have been comments about other Sony laptops saying Sony's are tricky to open (ie you have to push F1 and Delete and then slide to one direction etc etc). Nothing about my particular model though. :(


  • walden Dec 08, 2007

    Bummer! The model is VGN-TX2HP... Sorry, I took the numbers from below where the words MODEL were. But on the monitor edge is VGN-TX2HP. Feeling silly at the moment. Off I go to search how to open this VGN model... :) Any help will still be highly appreciated. :)

  • walden Dec 08, 2007

    The correct modelnumber made the magic - found excellent manual here:


  • J-Boy Dec 25, 2007

    I have the same model (VGN-TX2XP) with an optical drive that is not working - no (or very occassional) power and not recognised by the O/S. I need to remove it to check the power connections. Having problems getting the top of the laptop off. I've checked the manual link given but can't seem to get the main chassis top off.


  • Anonymous Mar 15, 2009

    pls help me with the chang of heatsink fan..??



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I've just had this problem but managed to solve it.

Unscrew all the screws on the underneath, where the arrows indicate.

Then, to remove the screw in the centre of the laptop that's holding it all together, hold down the Escape and F1 key and you will see a small clip holing the keyboard down, put a screwdriver in there and push the clip back. Do the same for the clips behind the F5, F12 and Insert key.

Once you do that the keyboard will slide down and out and you can get to the last screw. Unscrew that and you can take off the top of the laptop.

When taking it apart you will detach the 2 ribbon cables from the motherboard. Take not of where these came from so you can put them back later.

My problem was that the HDD cable has popped out, giving me a n error on booting of 'Operating System Not Found'.

Problem now resolved.

Posted on Feb 28, 2008

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Useually you have to undo the screws on the back normally all of them. then the face plate above the keyboard then the keyboard and a few screws under the keyboard and you should be able to take the case appart.

as for the power use a multi meter to check the points on the battery to make sure that is working.

then check the points on the charger.

if they work then yes try replacing the power.

hope this helps

Posted on Dec 07, 2007

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