URGENT PLEASE HELP!! Laptop won’t turn on after replacing CPU Fan

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May 20, 2024
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Hello. A few weeks ago my cpu fan of my MSI GE67HX started making a weird noise. So I removed it. Laptop ran just fine playing light Minecraft with cooler boost on while I waited for a new fan. It came in today and I just tore it open to replace it. Got the fan in. Plugged it in and put the laptop back together. And now it won’t get any power and I am unsure why. It would be greatly appreciate it if anyone would be able to help get my laptop working again. I’ve been inside of it multiple times and nothing happened of concern this time at least to me. Thanks for reading and I hope to hear some answers
 

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Hello. A few weeks ago my cpu fan of my MSI GE67HX started making a weird noise. So I removed it. Laptop ran just fine playing light Minecraft with cooler boost on while I waited for a new fan. It came in today and I just tore it open to replace it. Got the fan in. Plugged it in and put the laptop back together. And now it won’t get any power and I am unsure why. It would be greatly appreciate it if anyone would be able to help get my laptop working again. I’ve been inside of it multiple times and nothing happened of concern this time at least to me. Thanks for reading and I hope to hear some answers
Did you disconnect the battery before removing the screws and the fan module in your laptop?
You say you removed the CPU fan and then played a CPU intensive game afterwards, that is correct?
 
That is the only thing I didn’t do is remove the battery the only thing I did was remove the screws to the heat sink to replace the fan then I screwed it back together then nothing. No boot, no power. But it was working just fine before
 
That is the only thing I didn’t do is remove the battery the only thing I did was remove the screws to the heat sink to replace the fan then I screwed it back together then nothing. No boot, no power. But it was working just fine before
Do I read this right - you had the battery (a power source) connected and worked on the motherboard? :unsure:
 
:wall:

I stated this before somewhere else in the forum:
If you work with or close to electricity and I work close to high voltage electricity ....
The same also applies for every work with electricity.
  • The five rules:
  • First: Disconnect from the mains
  • Second: Secure against reconnection
  • Thirdly: Verify that the system is dead
  • Fourth: Carry out earthing and short circuiting
  • Fifth: Provide protection from adjacent live parts
Source

Worked perfectly fine before opening it up this previous time
You can try a EC Reset. For more you need probably special tools or a technician.
 
Hello,

Have you tried with the new fan disconnected?
And if the heatsink had to come off did you redo all the thermal paste.
 
Hello,

Have you tried with the new fan disconnected?
And if the heatsink had to come off did you redo all the thermal paste.
Yes after realizing it wouldn't turn in, i went in and disconnected the new fan with no luck. and about the thermal paste, i did not repaste as i didnt have any thermal paste, and i didnt see it necessary as it still had a lot of thermal paste on the heat sink
 
Yes after realizing it wouldn't turn in, i went in and disconnected the new fan with no luck. and about the thermal paste, i did not repaste as i didnt have any thermal paste, and i didnt see it necessary as it still had a lot of thermal paste on the heat sink
You are joking about this right?
You made an account just to toy with us, right?
 
You are joking about this right?
You made an account just to toy with us, right?
Not everyone knows everything about everything, so try not to be condescending. it has Liquid Metal thermal paste and there was still a large amount of it on the heat sink and the components so I didn’t find it necessary because it still worked last time I took the heat sink off to remove the fan. I’d appreciate it if you had any ideas of what I can do because I’m stumped here. And no it’s not a joke I wouldn’t be posting if I knew how to fix it

EDIT: I was under the assumption that the just plugging a fan into the connector and screwing it back together and putting the laptop back together would be enough and that this repair wasn’t invasive enough to risk damaging the motherboard. So i am willing to accept responsibility for being careless about that, but i am also willing to try whatever it takes to be able to fix this issue, i am computer science major and this is my device i program on and do all my school work so its pretty important to me. i appreciate you guys for the help
 
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Thermal paste wouldn't instantly kill it so dont worry about that, I was asking as liquid metal must remain on the CPU and not short out so if you didnt touch it's not an issue.

So just to understand, before you had charge lights and now its completely dead?
If no charge light maybe a short, do both new and old fan wiring look the same and did you plug in the right way, these can accidentally be forced in.

What options do you have, are you able to check the Power supply with a multi-meter?
And the new fan, it would need testing on its own to determine if it is OK and didn't cause a short.
 
You are joking about this right?
You made an account just to toy with us, right?
I was sure that it was no joke.
Not everyone knows everything about everything,
But everyone needs a minimal understanding what can happen.
RTFM - Read the fine manual.
Some Googling, some Videos.

And to assume that it works under the wrong circumstances because it worked before ....
How do I phrase it? :unsure:
With this attitude you would have a short life in my job.
 
Thermal paste wouldn't instantly kill it so dont worry about that, I was asking as liquid metal must remain on the CPU and not short out so if you didnt touch it's not an issue.

So just to understand, before you had charge lights and now its completely dead?
If no charge light maybe a short, do both new and old fan wiring look the same and did you plug in the right way, these can accidentally be forced in.

What options do you have, are you able to check the Power supply with a multi-meter?
And the new fan, it would need testing on its own to determine if it is OK and didn't cause a short.
thanks for this response, i made sure not to touch the cpu or gpu or any of the components that had the thermal paste on it. the computer was working right before i opened it and shut it down. the only thing i didnt do was unplug the battery to replace the fan, which i understand is a bad thing, but i assumed that this repair wasn’t messing with the motherboard as it was only one connector i plugged the fan into. and i made sure it was plugged in correctly. its in the same orientation(shown in first post). in terms of options, i dont have a multimeter but i know a person i believe can test it. as of the fan. im unsure if its what caused it. thanks for the input and i appreciate any other information you can provide
 
I was sure that it was no joke.

But everyone needs a minimal understanding what can happen.
RTFM - Read the fine manual.
Some Googling, some Videos.

And to assume that it works under the wrong circumstances because it worked before ....
How do I phrase it? :unsure:
With this attitude you would have a short life in my job.
everyone starts somewhere and im not saying im perfect. but there is very little amounts of documentation for this laptop so i was unsure of the steps needed for this repair, so i took the initiative to try it myself. i appreciate the advise but i have to say im a little disappointed to be getting all this criticism when all im trying to do is understand the issue i have and potentially fix it. im sure you have a lot more experience than me and im interested in learning from that experience but i feel like degrading someone for not knowing sort of defeats the whole purpose of the forums. Im willing to bet everyone with a successful career in computer repair or electricity has had an issue one or twice starting out. I am here to learn just like everyone else, and it doesn’t do anyone good to spread criticism when im genuinely searching for knowledge and answers from people who know more than i do. I look forward to your input and response in hopes that i can fix this issue im having
 
Not everyone knows everything about everything, so try not to be condescending.
Of course, but ripping open a laptop wrecklessly without taking care of googling, watching videos about your laptop for references and insuring to have knowledge prior to doing this.
it has Liquid Metal thermal paste and there was still a large amount of it on the heat sink and the components so I didn’t find it necessary because it still worked last time I took the heat sink off to remove the fan.
I would never, ever, ever, remove a fan heatsink without having at hand the proper paste or thermal component to adequately repaste it.
I’d appreciate it if you had any ideas of what I can do because I’m stumped here. And no it’s not a joke I wouldn’t be posting if I knew how to fix it
You did every thing the wrong way, could be numerous things, slight scrap of your screwdriver, a screw that fell on the motherboard,
the heatsink touching a component on the motherboard, etc.
EDIT: I was under the assumption that the just plugging a fan into the connector and screwing it back together and putting the laptop back together would be enough and that this repair wasn’t invasive enough to risk damaging the motherboard.
Do not assume, when you assume, you make an a s s out of u and me
So i am willing to accept responsibility for being careless about that, but i am also willing to try whatever it takes to be able to fix this issue,
If you shorted the motherboard, there is no fixing that, new motherboard or new laptop, the latter would be the better option.
i am computer science major and this is my device i program on and do all my school work so its pretty important to me. i appreciate you guys for the help
Well if it is so important, show it the proper care and respect next time!

By the way, this is just my opinion, do not take it personal.
 
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