Cleaning can’t hurt

I have a tendency to fear hardware problems. That might sound odd since I regularly strip, clean and reassemble machines without a second thought. However, one or two of my possessions are true antiques, which means the chances of finding spare parts is almost nil, and one or two were bought in other parts of the world. And that suggests an added layer of logistics, in getting replacement parts … if an issue warrants replacement parts.

I thought perhaps I was going to be stuck doing that today, when the Inspiron went through a series of arbitrary shutdowns, some within seconds of powering up, and causing some minor data glitches in the process. When I did get to a full desktop, I noticed a severe lag in moving the mouse, slow window redraws, and a constant whir of the fans.

The bad part was, it began to do the same things regardless of the distro. I began to think something was injured on the inside of the machine, and I would have to do some serious analysis — the kind that makes you wonder if a computer is worth keeping or not.

But instead of panicking and throwing the entire business out the window, I decided to step away for a few minutes, and take a sidelong look at the issue. I like to do that sometimes: Occupy myself with a completely unrelated matter, and let a problem roll around the back of my mind for a while.

And so while I was cleaning the house and sorting out some papers, I thought about the issue and the information I had. In my experience, when a part fails, it fails completely, so suffering performance like that was unlikely to be anything totally busted. On the other hand, when environmental conditions become subpar, the machine tends to work against itself, which can make things move slowly.

And that seemed closer to what I was experiencing. And that got me to thinking perhaps the fans were the biggest clue, alongside the arbitrary power cuts. Both of those suggest overheating, and perhaps that there was something keeping the center of the machine from cooling properly.

And then I got to thinking, “When was the last time I opened the case on that laptop fully?” I occasionally shoot compressed air at the vents, but I realized I hadn’t pulled it apart in at least two years. Maybe more.

So, armed with the belief that the software was not to blame, but that it was just poor hardware maintenance, I flipped the machine, pulled the four screws that held the keyboard down, and lifted off the heat plate.

It wasn’t as bad as I was expecting, but the fins on the heat sink were definitely dusty. I blew compressed air throughout the center chamber, the fans and under the cards. I cleared out the PCMCIA bays and drive tray, and even lifted off the palmrests and cleared out a few crumbs.

Nothing terrible, nothing worth taking pictures of. But definitely a little unsavory.

And after reassembling, things seem to be better. Boot times improved, there is no more lag or redraw problems. I don’t know if a proper cleaning made it happy or not, but the effort was not in vain. I’ll keep messing with it over the next few days, and see if the demons are gone.

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8 Responses to “Cleaning can’t hurt”


  1. 1 lo0m 2009/07/23 at 2:49 PM

    “In my experience, when a part fails, it fails completely” – be careful with this – my experiences so far are opposite..

    • 2 ArmorNick 2009/07/23 at 8:54 PM

      I agree on this. When my hard drive failed I could still read off it but couldn’t write anything.

  2. 3 lo0m 2009/07/23 at 2:52 PM

    off topic – the screenshot (July 16, 2009, Openbox 3.4.7.2 on Crux Linux, 1Ghz Pentium III 512Mb PC133) has a really nice app starter on the right – could you tell me it’s name? :-)

  3. 5 Mikko 2009/07/23 at 3:40 PM

    The same thing happened to me a few years ago. As I did not have any compressed air available, the good old vacuum cleaner made the trick :-)

    • 6 Bryan 2009/07/24 at 3:29 AM

      Not to say that vacumming dust out is a bad thing, but you should be REALLY careful with a vacuum around PC bits. The hose can build up static and then discharge onto whatever you’re cleaning – leaving you with a very clean, non-working CPU / PCI card.

  4. 7 Mikko 2009/07/24 at 6:39 PM

    I knew that it is not a recommended tool for cleaning up computer. So don’t try using vacuum cleaner with your new four CPU computers :-)


  1. 1 Memory errors « Motho ke motho ka botho Trackback on 2009/08/14 at 9:30 AM

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Some recent desktops


May 6, 2011
Musca 0.9.24 on Crux Linux
150Mhz Pentium 96Mb 8Gb CF
 


May 14, 2011
IceWM 1.2.37 and Arch Linux
L2300 core duo 3Gb 320Gb

Some recent games


Apr. 21, 2011
Oolite on Xubuntu 11.04
L2300 core duo 3Gb 320Gb

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