If your tech could use a little de-gunking, don't turn to mystery chemicals under your sink, instead head to the medicine cabinet. Our gadget cleaning super hero is none other than Isopropyl Alcohol and here's 5 ways to put its super powers to use!
Isopropyl Alcohol's best friend is a cotton swab. Try pouring some in the bottom of a shallow bowl (think a teaspoon or two max) and using the swab like a mini-sponge, go through and dig the dirt out. Because it evaporates quickly it can go where other cleaners can't and gets the job done well! Here's a few places we put it to use regularly to keep out gadgets gunk-free:
• Cell Phones: It is ridiculous how dirty they get, especially in the sweaty summer months. Remove the back and the battery and try cleaning in between the keys and around the edge of your screen (if you don't have a protector on). Make sure to swab the inputs and buttons around the edge as well!
• Car Or Scooter Key Fob: Your car's "beep it" can get awfully gummy after floating around in your purse or pocket day after day. Remove the back and battery and you can clean almost every surface inside and out. You won't believe the dirt you uncover!
• Keyboards: Clean your keys and wrist rests in a snap with a good swabbing, don't forget the holes for your speaker or the hinge to open and close if your working from a laptop.
• Camera Lens Grooves: Although you might require other specialty cleaners to take care of the inside of your camera body and lens, when it comes to the outside, alcohol has you covered. Just use a swab to get into between those grooves on your lens, around your shutter and setting knobs and even on the back that rests against your face each time you shoot.
• Gaming Controllers: Although we know you do your best to be Cheeto free while playing Boom Blox, it's easy to get little bits of food other assorted couch gunk up in your controller buttons. Clean trigger, buttons, keys and cords and you'll be playing grime-free!
Image: Too-Hectic and Conney Safety

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I had to comment on this. I bought a box of those alcohol wipes for cleaning stitches for an operation. But I had almost a whole box left. One day I needed to clean my macbook pro with the glass screen and it worked great. I had just enough left in the wipe to wipe my nexus one screen too. Got rid of those smudges from your finger and the oils from your face. If you ever find them somewhere, save them. I always keep a handful in my bag now along with my computer.
Avoid using more than 50 percent alcohol in your cleaning solution. Any more than that could dry out the screen.
Do not use paper towels to clean the computer screen, because they can cause scratching.
I wouldn't use alcohol on a screen, as it may dissolve and therefore ruin coatings. This is especially true with the oleophobic coatings of newer iOS devices.
For screens, turn the device off, let it cool to room temperature, and use distilled water on a clean microfiber cloth. When cleaning your microfiber cloths, don't use fabric softeners as it binds up the fibers and reduces their cleaning ability.
Ok it took me a little bit to find, but I found an Apple support article. That was written before glass screens, when there was just a bare LCD screen (a screen with a coating on it). But there is a point to this. In this article it states that you can use isopropyl alcohol on everywhere but a BARE screen. But new Macs have a plain glass screen with no coating on it, covering up the bare LCD screen. Only the new Iphone 4 and Ipad have a special coating on their screens. Here is a link to the support article.
http://support.apple.com/kb/HT3226
I also found the wikipedia page for isopropyl alcohol and pay attention to the cleaning section.
http://en.wikipedia.org/wiki/Isopropyl_alcohol
I also found this interesting article on saving a wet phone. Pay attention to the first tip on displacing water with alcohol.
http://www.wikihow.com/Save-a-Wet-Cell-Phone
I found articles that repeatedly mentioned cleaning microchips, processors, and an assorted computer parts and connectors. I will continue to use these isopropyl alcohol wipes because it pulls the oils and dirt off of glass surfaces and evaporates quickly without leaving streaks. As well as those wipes provide just enough liquid to clean really well. But I do not recommend using cleaners with anything with a bezel. It tends to leach underneath the bezel and into the layers that makeup the screen. I have an old Apple white Macbook that I would not dream of using anything but water. But these are solid glass covered screens. And turn off the device when you clean it.
I remember reading somewhere on apple that the ipad should just be cleaned with a lint-free cloth as there is a coating on it....to be honest, I don't see any problem with just a cloth on the ipad