Hacking Old Laptop Cooling System
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Modding My Old Laptop’s CoolingSystemPosted on Septemb er 17, 201 3 by admin
...
Wh en my Com paq Presario lapto ps’ hard disk got busted, I
bought a replacement immediately. The worse then happened, a
week passed and the new drive was busted too. I never bought
another cause it seemed a waste of money. I still managed
using it for more than a year using Linux USB edition as the
main OS. It then became a junk after I bought a whole new
laptop.
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Another year have passed. I disassembled the old Compaq
Presario. I was hoping to get some parts for future use or get it
back to working condition again. I have a spared mobile hard
drive to play with.
After carefully and diligently taking off the parts one by one, I
discovered a badly designed cooling system. The one and only
exhaust fan that was supposed to take off the heat from
processor was about 80% clogged. There was no other means
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to bent off the heat produced by other components. Note: other
laptop models have aluminum plates and copper tubes to
channel the heat near the exhaust. The harddisk compartment
had minimal holes and space for ventilation. What a pity. Now I
understood why this poor laptop killed two consecutive hard
drives. It was a heat problem
Keeping my fingers crossed, I did four things.
1) Clean every part with a soft brush as I take them apart. I gave
special attention to the one and only air bent.
2) I drilled numerous holes around the hard disk compartment. I
hoped it provide sufficient air circulation.
3) I discarded the plastic covering the hard drive and replaced it
with a thick aluminum sheet. I extended it outside up to battery
compartment.
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4) I removed the CD-RW drive and made way to an air intakefan. I included a filter to avoid dust accumulation.
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Before the mod, hard disk temperature was going above 50°Cand up. After the mod, the max temp I am getting is 39°C during
a heavy application, idle temp is 33°C.
My modifications are quite awful in appearance but are good
enough for the old laptop’s health.
I gonna continue testing it for a few weeks and perhaps do a
better and nicer looking modifications.
R E L AT E D P O S T S
1. LB11847 3NN3 H-Bridge / Motor Shield Cooling Assembly
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2. My Laptop is Killing the Hard Disk
3. What To Do With Broken Motherboards?
4. The Free External Hard Drive Case
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