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DIY: Notebook cooling (<$20)

post #1 of 23
Thread Starter 
DIY: Notebook Cooling

Hello NBF users,
During the summertime in Australia, my Dell M1210 which I use everyday, was overheating with core temperatures reaching their thresholds of 80 degrees celcius or more. Even when I wasnt using many processes or running many apps, I was always ending up with dangerously high core temps.

I was on a mission to find the best way to dramatically cool my little hinged bundle of joy. I will guide you through my story.

DISCLAIMER: What ever actions you carry out in reference to this article are at your own risk, and are NOT my fault! ...have a nice day

DAY 1: 9th January 2008 (Decision day)
I use a number of programs to monitor my temperatures, my favourites are:
-Everest (a computer managment program with all your monitoring needs for hardware/software) http://www.lavalys.com/products/overview.php?pid=3&ps=UE&lang=en
-I8kfanGUI (Simple but basic free program to monitor Dell notebook temperatures and more)
http://www.diefer.de/i8kfan/index.html

I noticed that average temperatures when playing low GFX games were as follows:


(The column to the right is threshold temperatures, it didnt turn out in the picture)

I called Dell and asked them if they could do anything to help me with my problems, they said they could send out a technician to replace my heatsink/fan. I then asked the customer service guy if cleaning the fan would do anything?, he said no.
I then asked him if cleaning the heatsink grill would do anything?, he said no again...

I then kinda ignored what he said, and continued to clean my fan and heatsink. I removed my keyboard and cleaned my fan with a fine bristled brush, then i used my vacuum cleaner at the output of my heatsink to suck as much dust as possible without removing the heatsink... Turned it on and got like a 5 degree difference.

DISCLAIMER: Opening your computer may or may not VOID your computers warranty, do at your own risk...

DAY 2: 10th January 2008 (Service day)
In less than 24hrs from calling, I got a Dell technician at my doorstep. After convincing him that there was a problem, he then started to open up my pride and joy of a computer.

When we reached my heatsink, we removed it and it had about a square centimeter of dust fluff stuck to the heatsink grill. (So much for Dell service and their knowledge, lol ).

We replaced the fan aswell, and off he went.

Temperatures had fallen about another 10 degrees from my first cleaning job... cooler, BUT NOT COOL ENOUGH!

DAY 3: 10th January 2007 (DIY Day)
Below is my scientifically proven study to provide yourself with a cooler notebook. This will only work for people who have a laptop that sucks air from the bottom and blows it out the side...

DISCLAIMER: It is not my fault if you die due to the incorrect use of tools, electricution, etc...

DIY: Cool your own Notebook
Aim: Get a cooler notebook...
Equiptment:
-Notebook
-Wooden desk (or simular)
-Hole saw kit (Google for details)
-Common household things (too many to mention)
Hypothesis: You will get a cooler notebook, because I did
Method:
1. Find an area you most often keep your notebook


2. Make sure it is on a surface that can be easily modified/drilled into, pine wood, chipboard. ( NOT glass, for ovbious reasons).
3. Grab a A4 sheet (or simular), turn your lappy upside-down and mark on it where the air intake is on your laptop. This is to create a template... Then mark on your desk where the fan lines up. |


4. Grab your hole saw kit (I got a 16 piece kit for <$10 from my local warehouse store) and drill a donut to your prefered size, in your desk. (Remember: "Measure twice, drill once")
5. Sandpaper the edges of your desk to clean it up and then plop your notebook ontop and start it up...

Results: Well as you can see here, I have drilled a nice 10cm or so hole in my desk to allow for maximum breathing space in my laptop and I have used my broken iPod Nano as a size comparison to the hole.


Here is the room at the bottom:


After this work my laptop now runs 10 degrees cooler. So far i have it 25 degrees cooler on idle to what it was 2 days ago...



BONUS COOLING:
Many years ago, I went into a $2 shop, and i found a flexible USB fan. Its very simple and just plugs in, and has a tiny switch on top. I flex it under my fan, into the hole and it provides chilled air to my hole and therfore into my laptop. However it is only useful when my fan is spinning slowly.


You can see the way it plugs into my side usb... It also cools the RAM and HDD, which arent connected to the computers cooling system. Amazingly this has brought my temperature to about 40 degrees!!!!! When I have both fans running...

Conclusion: With a bit of time and patience, you can dramatically cool your portable computer many degrees.

Before:


After:


Good luck!!!

Plz post yout thoughts and ideas...
post #2 of 23
My god, im living in Australia too but not that hot.

BTW my cheapest DIY option is to unscrew and uncover the chipset/RAM compartment and put 2 book on both left right side to lift the laptop up abit and leave the middle compartment a big breathing space. Than i use a normal fan to chill me and the laptop out Also my manufacture released a new BIOS which enables 'always-on" fan and some strange talking power management tweaks. GPU and Chipset idle temp dropped from normally 75 degrees to 64 degrees.

I see that your fan intake is small and blocked by very small filter holes. To add to your advanced cooling method, i suggest you cut off some filters lines. And i think you have your USB fan too close to that intake.

Also i should start look into some quality USB fan... high RPM with little bit more soild wings than floam

I dunno if someone can convert a normal deskop PC chipset fan with USB cable... chipset fans is solid, small and VERY powerful RPM.. Problem is the connector is not USB... im sure PC expert can convert it.

EDIT: Problem 1, the hole on the table is not relocatable , second im renting a furnished bedroom, i cant just screw a hole on thier 10cm thick table! lol

Use compressed air to burst clean your cpu fan frequently, also i would like suggest to use some items like books to lift up laptop and place the usb fan on. I definately going to find a way to create a custom chipset cooler. I just hope 500mA isn't too much to overpower the chipset fan or powersurge on USB controller

EDIT 2: I look close agian on the pic and see you're using Vista on your laptop.. screw vista! Always use more battery power and overheat laptops! >.>
post #3 of 23
Thread Starter 
Quote:
Originally Posted by NEX_SASIN View Post
My god, im living in Australia too but not that hot.

BTW my cheapest DIY option is to unscrew and uncover the chipset/RAM compartment and put 2 book on both left right side to lift the laptop up abit and leave the middle compartment a big breathing space. Than i use a normal fan to chill me and the laptop out Also my manufacture released a new BIOS which enables 'always-on" fan and some strange talking power management tweaks. GPU and Chipset idle temp dropped from normally 75 degrees to 64 degrees.

I see that your fan intake is small and blocked by very small filter holes. To add to your advanced cooling method, i suggest you cut off some filters lines. And i think you have your USB fan too close to that intake.

Also i should start look into some quality USB fan... high RPM with little bit more soild wings than floam

I dunno if someone can convert a normal desktop PC chipset fan with USB cable... chipset fans is solid, small and VERY powerful RPM.. Problem is the connector is not USB... i'm sure PC expert can convert it.
You can probably see in the picture of my setup, that I have limited space and this is all I could afford to do. The fan just looks close from that angle, its about 10cm away from the inlet. And at my local $2 shop, they don't really have a wide range of USB fans, foam blades is all they had.

Wouldn't removing part the fan grill void your warranty???

And actually, I went to DSE and bought a 9cm computer fan ans salvaged a usb port out of a broken flash drive. I hooked it up and all, but the fan had a fault and I couldn't be bothered trying again, so I just returned the fan...

(You must be blind if you think thats Vista... I don't know where you got that from because I have XP MCE on my sig and the task bar is blue and green ???) -oh BTW, I hate Vista as much as you do...
post #4 of 23
There's alot PC stores in Sydney central with plenty of strange USB stuffs hopefully if i can find any better...

Answering to your laptop modification. I suggest you read your warranty. But personally i think those warranty is useless, because i always know what to do when my laptop have a problem.. which actually it never have any problems, never need assistances. I voided my warranty ever since I installed pair 1GB RAM myself after bought this current laptop for 4 months. Even opened the RAM compartment will void warranty.. but bah! :P

9cm is slight larger than a normal system fan lol, its motor perhaps too large to powered by USB. What i'm thinking is you maybe hooked up with wrong USB link on connector. There's like 4 links, i think 2 is for power and 2 is data up and down, look on your current USB fan.. I havent done any study about that yet but is easy to learn from google. I dont think i'll try doing that until i got a easiler chance. Im actually pretty fine with my current laptop temp
post #5 of 23
Found something interesting here> http://www.metacafe.com/watch/701904/usb_powered_fan/

Some sexy girls included on sidekick lol

Someone mentioned to use low power fan.. which mean it gotta be small as chipset fan (about the size as your current laptop fan).. and watchout for the power requirement to support the fan if you gunna buy one. You may also want to go youtube and find out some more mod kick, since my cable connection is lagging like 5kb/s i cant check it out...

EDIT: Forgot to mention if your laptop USB is still lack of power to support even smallest chipset fan, you can use dual USB connectors cable.. so you could get total 1000mA to power boost.
post #6 of 23
Thread Starter 
Quote:
Originally Posted by NEX_SASIN View Post
There's alot PC stores in Sydney central with plenty of strange USB stuffs hopefully if i can find any better...

Answering to your laptop modification. I suggest you read your warranty. But personally i think those warranty is useless, because i always know what to do when my laptop have a problem.. which actually it never have any problems, never need assistances. I voided my warranty ever since I installed pair 1GB RAM myself after bought this current laptop for 4 months. Even opened the RAM compartment will void warranty.. but bah! :P

9cm is slight larger than a normal system fan lol, its motor perhaps too large to powered by USB. What i'm thinking is you maybe hooked up with wrong USB link on connector. There's like 4 links, i think 2 is for power and 2 is data up and down, look on your current USB fan.. I havent done any study about that yet but is easy to learn from google. I dont think i'll try doing that until i got a easiler chance. Im actually pretty fine with my current laptop temp
I just renewed my warranty for a fair few $$$, i dont want to void it. However, Dell allows you to pull apart your pc - aslong as you dont modify things.

The fan itself was actually rated at 12vDC but the 5vDC it gives you is good enough to get some cool air. They actually had a 4cm fan with the same rating as the 9cm fan. And I did some study as to the USB links, the first port looking left to right is the - and the last of the 4 links is the +. I do electronics as a hobby, so I know this sorta stuff...
post #7 of 23
I guess Dell is much easiler to be with then, but anyway i stiill think 4cm should support well.

Dunno, people might just go get a 20 bucks cooling pad already without fuzz xD
post #8 of 23
Thread Starter 
yeah i suppose, but this is what i did to get maximum temperature drops... its your choice...
post #9 of 23
Hi! But also you can buy a notebook cooler for $20 or less on ebay, I have bought a folding dish rack (http://www.woolworths.co.uk/web/jsp/...p?pid=50668667) remove the middle wire, turn around and you have a wire stand, also you can add fans underneath and cool even more your notebook.
post #10 of 23
Thread Starter 
Quote:
Originally Posted by siscor View Post
Hi! But also you can buy a notebook cooler for $20 or less on ebay, I have bought a folding dish rack (http://www.woolworths.co.uk/web/jsp/...p?pid=50668667) remove the middle wire, turn around and you have a wire stand, also you can add fans underneath and cool even more your notebook.
Great alternative, I'm pretty sure no one thought of using a dishrack to cool their lappy...

In Aust, Woolworths is a supermarket. lol
post #11 of 23
I do like your methods. I bought a cooler pad though. The good thing is it also a USB hub too. There is software you can use too. Here what I use. There is applications called NBH (Notebook Hardware Control) that can clock the CPU slower and save battery life. Here is the download link: http://www.pbus-167.com/
post #12 of 23
rather than permanently destroy a table, I suggest a usb powered laptop stand with fans. you can easily find some for $20 or less in different sizes and fan configurations/placements. portable and flexible so it will work on any surface, should you think of using your laptop at another table.
post #13 of 23
Quote:
Originally Posted by themessenger500 View Post
rather than permanently destroy a table, I suggest a usb powered laptop stand with fans. you can easily find some for $20 or less in different sizes and fan configurations/placements. portable and flexible so it will work on any surface, should you think of using your laptop at another table.
It is a little more then 20, but I highly recommend a Targus one that has the new fans that blow up and under the laptop. My ChillHub model was 50 at Office Depot but the one without the hub is around 30.
post #14 of 23
nice job...you had great results.
post #15 of 23
Thread Starter 
Quote:
Originally Posted by mikey pizano View Post
I do like your methods. I bought a cooler pad though. The good thing is it also a USB hub too. There is software you can use too. Here what I use. There is applications called NBH (Notebook Hardware Control) that can clock the CPU slower and save battery life. Here is the download link: http://www.pbus-167.com/
I have a program called I8kfanGUI and its made especially for Dell Computers. It lets you control and monitor all major temperatures. Its not as pretty as your program, but it does the job and runs in the background.

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Quote:
Originally Posted by themessenger500 View Post
rather than permanently destroy a table, I suggest a usb powered laptop stand with fans. you can easily find some for $20 or less in different sizes and fan configurations/placements. portable and flexible so it will work on any surface, should you think of using your laptop at another table.
I pretty much made a permanent one of these with my table. I think my fan is pretty much what your thinking of, it has a piece of soft metal on the inside which you bend to almost any shape. I can also stick a bin under my desk and it can be a hole to put rubbish through... think about it.

But yeah, in my house (and especially my room) I have absolutely NO space. So under the bedroom window was my only option. and this table is what i use to store and use my lappy. So if i had to cool it, it had to be cooled here.

I spent $25 on making and modifying this table. Why do I have to get a new one... I don't see the problem with this except now I have to avoid it if i write on paper, but i only use it for my lappy anyways. By all means, u could get a new table, but i'm happy with my hand built creation. ( I bought the timber, made a L shape, clamped it to my bed, drilled the hole, etc, etc, etc.)

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Quote:
Originally Posted by mitcity22 View Post
nice job...you had great results.
Thanks
post #16 of 23
Quote:
Originally Posted by mitcity22 View Post
nice job...you had great results.
I, too, think it was a great job.

Quote:
Originally Posted by themessenger500 View Post
rather than permanently destroy a table, I suggest a usb powered laptop stand with fans. (...)
You all are missing the point, I guess. In fact, a desk without an USB cooler is cleaner, but yes, you miss the angle of a cooler (comfortable for typing, IMO). It's a trade-off for me. And it's not like that desk is a classic authentic one from the Victorian age . The point is that right now, for a *notebook desk*, it's much more functional than it was.

Very good and simple solution.
post #17 of 23
Nice table mod, jeje, I have an Inspiron 1420 and it has the same dissipation system as your laptop. In Chile we have a warm summer too and my laptop gets very hot..... your work it one of the most interestings things that I have seen on this forum, congratulations !!!...
post #18 of 23
Thread Starter 
Quote:
Originally Posted by EnDorner View Post
Nice table mod, jeje, I have an Inspiron 1420 and it has the same dissipation system as your laptop. In Chile we have a warm summer too and my laptop gets very hot..... your work it one of the most interestings things that I have seen on this forum, congratulations !!!...
Thankyou, and welcome to NBF. I see you are a new user, I'd be glad to see when you update your avatar and sig -also user info. Just helps people get to know u a bit better...
post #19 of 23
Quote:
Originally Posted by alxndr.spy View Post
Thankyou, and welcome to NBF. I see you are a new user, I'd be glad to see when you update your avatar and sig -also user info. Just helps people get to know u a bit better...
thanks for the welcome, I'm updating my user info
post #20 of 23
i have a DIY cooling sekret, i shared with others.....so its no longer a sekret


4 water bottle or coke plastic bottle caps on the rubber feet on the 4 corners of the laptop, you have so much air flowing under there, youll drop temps with in seconds

i like what OP did tho, way to mod your desk :O

soulsaver
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