As everyone knows these models are like years old. In step 3 you can disconnect the ribbon cable at the bezel if you like which some may find easier to get to. When I did and put the laptop back together there is no video. It had happened one time before and after shutting and closing it it came back up lit up. Removing modem card if needed. Already replaced the harddrive. If it should be solid i think it maybe a battery problem now.

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STEP 5 Lift up the keyboard and place it upside down on the palm rest so you an access the cable underneath.

I currently have 2 sony vaio pcg k27 mb memory sticks in my pcg-k sohy want to upgrade to 1gig. Try reconnecting the video cable. Reseat the memory module. I used a straight edge blade type sony vaio pcg k27 shave with and positioned it between sink and k277 plate and gently taped it with handle of screw driver. After installing the recovery CD, parway through, the system prowers down, and after repeated attempts, the problem persists.

TEM, you can try sparepartswarehouse. This is my question. Thanks for the posts and pictures, I know this takes time. Could I have damaged the cable or the lcd inverter?

How to disassemble Sony Vaio PCG-K

Did you try reconnecting memory modules? Spray it into the grill on the back side of the laptop. Again thanks for your help and pictures. I am just really in need of any caio.

How to disassemble Sony Vaio PCG-K – Inside my laptop

Remove one screw securing the sony vaio pcg k27. I looked on ebay for the wiring harness thinking it would be easier to replace both as a whole, but I can only find the DC Jack on there. The bare minimum is motherboard with video cardmemory and CPU. I guess that this might be a component that has become unstable, probably a a capacitor as it has affected both laptops at about the sonh age.

Turn on the laptop and tap on the ; key rapidly. When I did and put the laptop back together there is no video. Slide the hard drive down to disconnect it from the motherboard.

How do I do this? Just in case, try reseating memory modules. Any thoughts would be sincerly appreciated.

I think you have some kind of hardware related failure. Lots of usefull info. I hear the noise repeat itself over and over after vauo the wall charger plugged into the lap-top.

Will be accepted from the mobo this changement? He said that he cleaned up the lid contactor? Test the laptop after each installed part. Just remember which screws are which and where they go back lol. Battery charging light does not illuminate.

So then i plug the cable back again and it only lights up once and ocg it will not allow me to press the power button to turn on the computer.

The issue is when I use it for more then minutes or so the right side of the laptop right side of touch pad and below the key pad area get heated very much making it uncomfortable to work. I had to replace the lcg jack socket as the original broke. Already replaced the harddrive. This sounds like keyboard related problem.

Is it easy to unsolder the old DC Jack from the wire harness? Hi I sony vaio pcg k27 disambled my laptop as it seems to get too hot all the time. I can put that in. Now it still doesnt power on…They wall charger is green and then when I go sony vaio pcg k27 plug it into the computer it makes a wierd noise and the charger light goes off black then if I unplug the charger from the lap top it turns back to green on the wall charger.

Do you replace it as shown in sony vaio pcg k27 diagram? Do you know which lug the red and black wire goes on. The best way to eliminate software related problem is reimaging the hard drive back to factory defaults. Did you remove memory modules?

Do you think it is the back light? Also it will run well on battery until it dies but if I sony vaio pcg k27 the AC adapter in while it is running it sony vaio pcg k27 inexplicably shut down as though it lost all battery power. I figured out how to remove the bottom screws pgc found the keyboard latches and removed vsio keyboard. It had to be shut down with the power button.

When Windows starts, I can see the screen only if I shine a light at it, artificially backlighting it.