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my old iMac G4 17" 1.25GHz USB 2.0 (PowerMac 6,1) suddenly stopped working after I unplugged it for the first time in...

when I try to power on my Canon PowerShot digital camera, the lens tries to extend but gets stuck Instead, the camera just...

A bit of a low-tech, although seasonal, question for you: I have a bunch of Noma LED Christmas light strings, each with 70...

hi Rob I'm just wondering if your "problem" isn't really a problem... first of all, can I ask for clarification? are you saying that the LCD top panel showing number of frames remaining is staying "stuck" at 999? and did you only just notice this with a 4GB card? how about when you use a 2GB or 1GB card? one thing you should know is that top LCD frame count is an estimate only, based on storage space remaining, JPEG settings and ISO - because JPEG file sizes vary depending on the actual image content. A JPEG file from your 300D at low ISO might be roughly 2~3MB (Large/Fine setting), meaning a 4GB card might hold over 1000 photos. So when you first start shooting on a blank card, it's possible that you still have over 1000 estimated photos left but the display simply shows 999 (the max displayable number) note that setting a high ISO means the photos will be noisier, therefore resulting JPEGs will be compressed less efficiently and therefore likely be larger files. this could explain why your file count...

I don't have a service manual for you, however I've taken apart my Powershot S500 several times, including opening the lens/sensor assembly to successfully clean dust on the sensor. I documented it in this teardown report here on ifixit. From other Powershot cameras I have seen and poked around with, the construction of others is very similar so even if you're wanting to do this with a different model, you may find my photos instructive. I also notice there are some additional repair guides for other Canon models here on ifixit now - take a look at those also. if you are handy with taking apart things and handling tiny screws and delicate ribbon cables, you may be able to take apart your camera without a service manual. basically just take it apart one screw at a time, save and label where the screws go, and perhaps take photos along the way (that's how my teardown photos came about). then reverse the process when done. good luck!

I believe your 30GB model is an iPod Photo. you can look up the model number on sites like this one Also, according to wikipedia, the "regular" 4th gen iPod only came in 20GB and 40GB versions, so your 30GB one must be the "Photo" version

Apple doesn't seem to publish these specs but you can see the battery specs for all iPod models from this list at iPodbatteryfaq.com (scroll to the table lower down on the page)

take a look at everyiPod.com The distinct model numbers are listed there for the original (thick) and Late 2008 (thin) models of the Classic 160GB (there are also different model numbers for silver and black variants) you can also try the model lookup page on the same site.

just checking - is your daughter's Magsafe adapter a 60W version? or does she have a MacBook Air and it's corresponding 45W charger? your MacBook needs the 60W (or higher) to charge the battery. if by chance you're trying to use the MacBook Air's 45W charger, it might run the MacBook but not have enough power to charge the battery. if you're not using a MacBook Air charger, then ignore the above - it would be some other problem.

it sounds like you already know the iPod dock connector pinout - I've heard that some accessories look for power provided by the iPod on pin 13 of the dock connector to detect it's presence. have you checked that out? of course there's also the serial accessory protocol used by some dock accessories, but I'm not sure if a radio/speaker dock would use that to detect simple presence of the iPod

another way is to manually copy the hidden music files on your iPod nano to your computer, then transfer from there to your iPod touch using iTunes. Here's how: First enable Disk Mode on your iPod nano, then connect to your computer and it will mount on your desktop. next, follow these instructions (for Mac or PC) to show hidden files on your Mac or PC. You will then be able to navigate to and see the hidden directory on the mounted iPod volume For example on a Mac, the iPod's music files will now be visible in subdirectories of the mounted volume in: /Volumes/[YouriPodName]/iPod_Control/Music now copy the entire contents of the iPod_Control/Music folder to your hard disk, and then later drag the resulting copy to iTunes and then sync your iPod touch

in the iPhone 3GS, the LCD display itself is a separate component behind the front glass/digitizer, so you can avoid replacing the LCD display if that still works, and save yourself a bit of money. the part for the front panel assembly including digitizer(front glass) and home button is here the corresponding repair guide ishere

Here is the part you need to replace the front glass/touch screen, you can purchase it in ifixit.com's parts store. the repair guide can be found here, you can study the guide beforehand to see if it's something you're comfortable doing yourself.

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Sony branded LCD in Canon camera ?

this is not as unusual as you might think. Sony makes LCD displays that are in many different kinds of electronic products - they have a component business and a separate consumer products division, as do many other companies that you might only think of first as a consumer brand. For that matter, Sony also makes CCD sensors used in other manufacturers cameras.

thanks Kyle. the background grid is one of those self healing cutting mats that you'd find in an art supply store. the lines are on a 1cm square grid.

Actually the radio does still need repair, I think there might be a break in the battery leads or connector but I didn't want to desolder/replace those before taking the photos and I didn't have time to debug further yet. But I definitely want to see if I can get it working again

BTW, I don't know if I'll get a chance to tear it down but I managed to dig up another old Sony radio! this time a 1959 model TR-714, which was the first two-band (AM & SW) pocket transistor radio. with 7 transistors! and fortunately that one still works perfectly :)

aha! I should have known there'd be an app for that :)