I renewed the thermal grease on my laptop, since then it doesn't work anymore. Nothing happens when I press the power button. There are also no noises. I connected it to the power supply to exclude the battery but to no avail. What could it be?
It is not so easy to say that if you had only changed the wlp, that would definitely not happen.
I do not understand that, too. Let's say I damaged the processor. Would it come on and crash right away? Or would nothing happen like now?
Did you just renew the WLP and didn't touch / replace anything else?
Everything back as it was?
Make sure that the WLP does not come into contact with conductor tracks?
You have probably accidentally pulled out or touched a cable or other component during this process, check again that all cables are well connected
When you take a laptop apart and put it back together again, all kinds of damage can occur. If you're lucky, it's just a loose connection on a cable.
But if nothing happens, as you say, it may be that a metal part connects 2 conductors with each other and creates a short circuit
Then (rather) nothing would happen.
but shouldn't be possible because you don't even have to remove the CPU.
Yes, I carefully smeared it on and attached everything as before.