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Laptop running too hot

SociallyChallenged

SociallyChallenged

Elite
I really don't understand why or how this is possible unless the fan decided to crap out. What remedies or solutions do you guys suggest? Thanks.
 
How reliable is the sensor that is telling you it is 75C? Doesn't seem reasonable.
 
Originally posted by: corkyg
How reliable is the sensor that is telling you it is 75C? Doesn't seem reasonable.
Click to expand...

Seems reasonable enough. The laptop actually burned my finger a bit earlier when I went to pick it up. I have no idea why it would get so hot unless a fan had failed. Whether the sensor is right or wrong, the laptop is running way hotter than it should be. I had to cool it with the "cool" setting on a hair dryer earlier to see if it helped. It did, it dropped the core temp by about 15 degrees C (from 60).
 
I've seen this happen in a few laptops... One way is that the fan on the cpu died as you already mentioned. The other is when 'gunk' (hair, dust, whatever) gets into the laptop and clogs up the path from the cpu heatsink/fan to the outside. The hot air gets trapped inside the lappy causing the laptop to run very hot. I'd open the thing up and clean it out, you'll likely find that it's all gunked up.
 
Those are valid and good points. Laptop fans don't usually run all the time. There are vents, usually along the side, that must be clear and clean. Also, the bottom should be on a hard surface. You might consider a cooling base/platform.

Aside from taking it apart, use a vacuum with crevice tool to suck out dirt and dust through the vent slots.

It is definitely too hot.
 
Alright, so I found out its a dead CPU fan. I'm not very familiar with laptops, so I made sure to open the laptop very slow. I assumed everything would be similar to a normal PC, but there were thin strips of plastic material (obviously important) that apparently slipped out of their proper place/female jack. This happened after I opened it for about 2 inches of clearance to investigate. I'm pissed 'cause now the display won't work and I feel like a total jackass. I assume this can easily be fixed, but I tried to plug them in oncemore and that was fruitless as well. Bah. Any help on this part now?

EDIT: Here's a picture of what the things were: Text
 
Yes laptops are a royal b*&^h to get into and reclose properly, but once you are used to doing it it's just like a desktop with more bother.

Those are actually ribbon cables connecting your keyboard and likely the mouse to the motherboard. Chances are, there is one for the LCD which is unplugged now.

As much trouble as it seemed to you that the laptop was to get open, to fix this you are going to have to get much more familiar with it. take the entire laptop apart, finding out where things go, what goes to what, and learning it like the back of your hand, you will eventually thank yourself for the trouble and knowledge. Once you get familiar enough you will find where each of those ribbon cables go and how to seat them properly... most of the connectors have a little clamp part that you pull up and out to one side before sliding in the ribbon cable, then slide in and down to lock the cable in place. A few of them do it backwards, where the little clamp is up while inserting, and gets pushed perpandicular to the slot hole for the cable to lock it down. A few of them have no lockdown clamp like that. and the cable just snaps in, but the plastic ribbon cables you have are definitely the mini clamp connector kind.

The laptop not powering up means not all the connectors are plugged in right, that's all. Learning where they all go will fix it in the process. 🙂 I wish I could come to your place and help, as I have much experience in laptops, but I doubt that is a possibility.

~edit~
Another thought, if you google your laptop model plus words like "Service manual" and "parts diagram" you may be able to find a PDF with instructions on disassembling and assembling your particular laptop. just a thought.

As for replacing the fan itself, that is not gonna be cheap but depending on where you go it may not break the bank. Sometimes the OEM will sell them, most of the time you gotta find it through searches on the net, a supplier that sells one either used, refurb, or new.
 
Ah, Christ. Lol. Thank you jaqie. I'll definitely do that at some point today. Laptops are a new game to me and I was pretty pissed when it all happened. I'll go google a diagram if I can.
 
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