Question Sony Vaio SVE14A2M6WE won't turn on. What can I do?

[Babel_SW]

Hi, I'm working on getting an old laptop (Sony Vaio SVE14A2M6WE) into a great condition- I put in an SSD, new RAM and a new CPU (i7 3630QM).

However, when I hibernated it today, it seems to have totally bricked itself- both the Web and Assist buttons can't seem to turn it on (the original Power button has been broken for some time so I have to use these instead).

What's interesting is that when I unplug the AC adapter, press and hold one of the "power" buttons for a couple of seconds, plug the AC adapter back in and try to power the machine on, the green power light comes on for a second and slowly turns off again. I can do this once or twice before it stops working and I have to repeat the procedure again. Weird!

I have tried powering the machine on with only one RAM module present. I have tried powering the machine on with the previous CPU installed. I have tried powering the machine on without the SSD or the DVD drive. I have tried clearing the CMOS. Nothing worked.

Is there anything else I could try myself? Or do I have to send the machine to some repair shop? I don't want to spend any more money on it

 

[helpstar]

replace the cmos battery

 

[Babel_SW]

replace the cmos battery

yeah sorry did that yesterday as well

 

[helpstar]

check main battery if it still works as it should, at least measure the voltage

edit:

shorten the power button to try powering on. Eventually no other button can power it on after hibernate or shutdown

 

[Babel_SW]

check main battery if it still works as it should, at least measure the voltage

edit:

shorten the power button to try powering on. Eventually no other button can power it on after hibernate or shutdown

I tried shorting the button, and I know the Web button wakes it up from hibernating- did this the same day it broke. I don't think it's the battery's fault, it still refuses to boot up after removing the battery and only using the AC adapter

 

[helpstar]

check the voltage of the PSU, how much is it?
check if the power jack in the Vaio is getting power to the motherboard

try these suggestions:

View: https://www.youtube.com/watch?v=IsbMD-Ddcp0

User Guide | What should I do if my VAIO computer does not turn on (the power indicator light does not turn on in green)?

https://www.sony.co.uk/electronics/support/articles/00063888