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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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