How to Fix Laptop not powering on, good battery, power adapter and power jack.

Well, then my neighbor brought in this computer and said it wouldn't turn on and it had something to do with the

power

. The first thing I try to do is check it and it's online right now. It is connected to the outlet. There are no lights here to indicate

power

. I press the power button, nothing happens, not even the lights come on, so the first thing I thought was that the power connector or the power

adapter

was bad, so I went and bought another

adapter

from eBay because I didn't have another to try. so here I unplug that plug, the other one that is already plugged into the outlet there are no lights either, nothing...

I press it, nothing happens, then... if it is not the power adapter, it will be the power connector. so now I turn it over, it's pre... let's see... it's hard to do this with one hand... okay, then I take out the

battery

first, maybe it's the

battery

, if something is wrong with the battery it could be spoiling. the power...ok, let's turn it over, try turning it back on...okay, still no lights...nothing comes on...it's on, nothing's happening, so now I'm going to check the power connector on this computer is pretty easy you open this and this comes from the power connector red: positive black: negative unplug it and I get my... my meter here since for

laptop

s we know the power should be 19 volts when it gets to the... the battery... the

laptop

, since this is a manual range meter, I'm going to set it to 20 volts, okay, it's going to be hard to see here, but I'm going to set it here, so here I'm going to put the red .

Test the wire on one of the red wires, in the little windows here you can see two for the red... and two for the black, so I'll test that they're all working first. I'm going to grab my cables, which I already have. here, okay, so... put the red one in one of the windows and the black one in one of the other windows, okay... like that, so we said it was 19 volts that we should get from the adapter... so we are getting them so now I am trying the two endings so now I won't show you the rest but I will try them and hope they work so now with the same red I try the other window on the black.

Now I get 9.42 volts... I change the red wire and test with the other two ground the other two windows there so I get the same result so it is working the power connector is working so we are getting power from the power supply...from the power adapter through this power connector to the motherboard...so right now it's not the power adapter, it's not the power connector, so something is going wrong with the motherboard or something else in the computer, okay? I'm going to plug this back in, but first I'm going to unplug it from the power and plug it into the motherboard and put it here so it can close properly, so something else could be going wrong.

It's the memory... yes sometimes when the memory is not

good

it won't let the computer turn on, I take out one memory... I take out the other, okay... so now it's there and we only have one: * plate base *CPU and no RAM right now we have the hard drive here, if it doesn't work I will take it out and see... if it works then there is no battery... turn it off it's fine and this is the... the power adapter current one I bought, which I know works. I plug it in, open the computer...lid is fine, it's plugged in...Ho!!! guess what?

A light appears there and that light indicates that it is connected to power. So at this point I'm thinking... okay... sure, if an LED comes on and says it's connected, it's receiving power, maybe unplugging it, plugging it back in, and removing the memory did something. So let's try it, see if it turns on, maybe it was just the memory, nothing, no response, okay, so it's not the power adapter, not the memory, not the power connector. Okay, so it's time to open up the computer to see what else we can isolate and see what's wrong with it since I'm recording one-handed.

I already pre-opened the laptop to make it easier for me. I'm going to get a screwdriver. a flat tip and I already took out the... the... all the screws at the bottom now make sure that... you... took out this one, the one that goes here because that one is holding the plastic. on the top here of the... keyboard since I already removed it... okay, I take it out, I set it aside, okay and here you would normally see a screw here here here and here. I already took them out so I'm going to lift this like this and this security lock here I'm going to lift it up, pull the tape and put it aside so that here you can also see several... screws that are marked, all there. those I took out, let me just disconnect them and I took out all the screws on the bottom and put them in a safe place, so now the only things holding the lid... this top lid here are this. which is for... this, the mouse and the speaker, so I'm going to unplug them and this one I'm also going to lift up like I did with the keyboard, so now I'm going to remove all of this, put it aside, okay?

It's the inside of... of the computer, see, so since nothing happens when I press the power button, my next thought is... let me take this out and plug it back in, so my next thought is well, now that maybe nothing will happen. the power switch is broken and it is not sending the signal to the motherboard to turn on as we are receiving power from the adapter to the connector that comes to the motherboard and our LED shows us that we are receiving power so my next step Was it when I asked for a power button?

Let me take it off well; first you need to unplug this, take it off and... that's the original one and here we have the replacement so I set it up here and it's a little fiddly with one hand, put it in there now plug the power back in, we're getting the LED. let's turn it on again, let's try it, so let's turn it on... I press it, nothing happens, so there is no power either, okay, so... so far we know that the power connector is fine, the power adapter is fine, the power button is fine, the memory is not affecting the... we don't know if it is

good

or bad, but it is not affecting the behavior, so at least that is not what prevents it from turning on fine... so right now it could be the motherboard, the cpu or what else.

Do we have it connected?... screen... or this board that is for the USB so let's see, let's unplug this and turn it on, nothing happens, I press it, nothing happens then... is it the screen? we're going to unplug it there so basically now it's the motherboard and the CPU that's all we have connected we still have the power LED here we go here we try to power it on nothing happens so at this point I'm thinking that the motherboard or CPU is defective, let's try to disconnect and reconnect it and turn the LED back on. This is still offline and... let's go here.

Wait!!! We have something why we have... Power LED here!!! so something was shorting this board and preventing it from turning on, so right now we have unplugged the display, pretty much everything is unplugged, so it won't post because it has no memory, it has virtually nothing. Okay, so this or the screen is the culprit, let's unplug it so we can plug in the monitor, let me use both hands because that's very delicate here it's plugged in, so... if it was that... cable or the monitor. It won't turn back on first, let's try to plug it in here...we have the LED so let's go here...and press it YAY!!! it keeps turning on we haven't connected that board to the motherboard and it should be???

Do you still have energy? and okay let me disconnect it since when we saw the change that's what I concluded was the cause so I went and ordered another one that cost like 7 dollars ($7) the one with purple which was the one we had and... I got this one, which It's got the blue one here, that plastic one there so I know which is which and when I was troubleshooting this at first I tested the cable, continuity test, the whole cable seemed fine so it must be the board. , something like that it's set up there and now let me plug it in, okay so it's plugged in now... let's turn the power back on and turn it on, so now we're understanding that it's getting power and it's on two LEDs, nothing's happening .

Let me turn it off. I removed the power. Now I'm going to put the memory back in, see what happens, so I put in a stick and to put these in, we first need to put them at an angle like this, then press it down. until you hear that "click" this one also put it at an angle and then first put the bottom one in, then the top one, pretty obvious and just in case, let's put the battery in to see what happens, put the lock here so it doesn't It doesn't bend or come off, you turn it around, you put power in it and... let it open, it's so difficult to do with one hand, let me open it!!

Guess what, now another LED appears saying the battery is charging. Let's go here, press the button. Hey!! Hurrah!! We're looking at something on the screen, so basically right now it's reading the hard drive reading the hard drive, this is for the hard drive that's charging battery power, this is it's on and that's battery power... Wall. and this other one I don't know what it is!! that the wi-fi when loaded in windows indicates that we have wi-fi is off right now it's orange ok so basically it wasn't that the memory was ok the motherboard is ok the cpu was the bad part , something happened to the USB USB board, which is that right now, we know the power button is fine, the power supply is fine and we're there right now.

I don't have the keyboard or trackpad plugged in so I'm going to have to do... like just unplug it so I can turn it off, hopefully that won't mess up the hard drive and then plug everything back in, put all the screws in and see if it works . , I reassemble all the screws and everything that should be plugged into the power, sometimes when you put everything back together, things don't work again. so let's see, we have power, we have a picture there, okay, so it says Windows didn't close... Okay, boot normally and that's because I didn't have the keyboard attached or the touchpad so I had to turn it off. the... with the power button pressing it and holding it until it turned off and that's why it gave me that error and now we are here, yes!! let's see if I connected this correctly, yes, working.

I move it here and I'm going to turn it off, press the button. Is working. Now it's charging power and that's just going to give it a little bit of a cleanup. Call my friend and give him. To her, thank you. Hopefully I'll add more videos like this, so please subscribe, like and thank you.