Tighten the resistance at the hinge of the screen of the Vaio laptop
It has gotten to the point where if it is a little too far back from vertical, it will just slowly head down. I see some rectangular rubber covers over something at the hinge on both sides and wondering if they cover screws that can be used to adjust. It is a VGN-AX580G
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Re: Tighten the resistance at the hinge of the screen of...
On most models the hinges are a pressed in, pressure brake type hinges, and when the hinge start getting worn to the point of not holding the screen, then they can only be replaced in order to fix it. You can sometimes get away with replacing just one. On some models there are screws on the hinges that come loose that can cause this. The screws aren't for adjusting, they are basically just set screws. You won't which is the problem know until you take the covers off. Most likely you're going to have to replace the hinges. Try Ebay for the replacements.
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Reseat the video cable connection under the keyboard, and tighten all the screws on the chassis that are related to the LCD hinges (LCD ground is thru the hinge and if screws come loose, the ground get weak.) also inspect the LCD cable where it goes thru the hinge cover assy, that is were you are likely to break a wire.
If the lid has a small slack and then is firmer again when the lid/screen is in another position, then the hinge mounting screws is most likely loose and the mounting screws needs to be tighten.
If the hinges are loose no matter what the position of the lid/screen is in then, they need to be replaced, there is no adjustment to tighten the hinges.
you will have to take the bezel front plate of the screen off and check to see if anything there has broken from the hinges. there are usually two-three screws holding the hinge to the screens back cover and two-three holding it in place on the base of the laptop. if all those are intact you will need to replace the hinges.
With the power disconnected. First off there are 4 rubbers on the screen bezel itself. Take those off and then unscrew the 4 screws.
Then take off the screen bezel itself, it will be held in by clips so you may have to use a flathead to pry it off.
Once you expose the screen, there might be one screw on each side holding in each screen hinge, if so that those screws out.
At this point there will be 4 screws holding the screen in on both the left and right side hinge.
Go ahead and take off the 4 screws on each side of the hinge and this will loosen the screen completely.
At this point go ahead and unseat the connector that goes to the inverter toward the bottom of the screen. Also unseat the connector that goes to the back of the lcd.
At this point you will have the old screen removed.
Now go ahead and screw in the screws on the left hinge and right hinge so the new screen will stay in place. Go ahead and hook up the connector to the inverter, hook up the connector to the back of the lcd. At this point go ahead and turn on the laptop and just verify that the screen works and that there is no defects such as lines in the screen or weird colors. If there is then you'll need another screen.
If you have the 2 screws, screw each one on each side of the hinges to keep the hinges in place.
Then go ahead and snap the front bezel in place, then go ahead and put the 4 screws in place and then the rubbers on and you'll have a working laptop with a new screen in place.
I am a PC Technician, I also happen to own a Vaio with this cool but very fragile power button. It will be okay to leave it like that.I had the same issue and I repaired mine because I have experience tearing down laptops. The labor to get to that little plastic piece is extensive. If the situation arises I can explain to you how to do this, ill even have pictures as it is nearly impossible to find service manuals for new Vaios. But it will be fine if it is a little loose.
I met this problem almost all brands of laptops. Depending on how the hinges being built (return spring, embedded lock notch, etc.) Some are easy to adjust and some need more precise tightenings due to wear and tear of the lock notch. However you can buy hinges too at ebay just specify the brand and models as well as the LCD screen part no. replacement. Hope this gives you hint.
a the base of the screen you may see some scews that cover access panels, open them up and you can tighten the little nut that tensions the hinge. I had a laptop that was shaky and I tightened the hinges and it was OK after that.