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Secrets of the iPod and Other Useful Tools


A note about warranties: If your iPod is newer, check to see if it is covered under Apple's warranty policy. If it still is, inquire about getting a replacement iPod, before sending it in to get a part replaced. Remember when the iPod is opened (necessary for replacing parts), all warranties it may have had are VOID. So if none of the following things work, check to see if you have a warranty still.

The following are some not so well know iPod tricks, and other tools that are more well known, but useful nonetheless. I hope this helps with your iPod troubles!

Secrets of the iPod and other helpful tools



Secret iPod Diagnostic Mode

Not many people know about this, but I am going to share it with you: how the professionals (including me) diagnose many iPod problems.

Steps:
  1. You need to restart your iPod before putting it into Diagnostic Mode. Check that your hold switch is off by sliding the switch away from the headphone jack. Toggle it on and off to be safe.
  2. Press and hold the following combination of buttons buttons simultaneously for approximately 10 seconds to reset the iPod.
    • iPod 1G to 3G: "Menu" and "Play/Pause"
    • iPod 4G+ (includes Photo, Nano, Video, and Mini): "Menu" and "Select"
  3. The Apple logo will appear and you should feel the hard drive spinning up. Press and hold the following sequence of buttons:
    • iPod 1G to 3G: "REW", "FFW" and "Select"
    • iPod 4G+ (includes Photo, Nano, Video, and Mini): "Back" and "Select"
    You will hear an audible chirp sound (3G models and higher) and the Apple logo should appear backwards. You are now in Diagnostic Mode.
  4. Navigate the list of tests using "REW" and "FFW". The scroll wheel will not function while in diagnostic mode.

Once you are in the Diagnostic Mode, use the "Forward" (>>) and "Previous" (<<) buttons on your iPod to navigate the menu. Each thing you see on the list is a certain test that can be done. To start a test, press "Select". To exit a test, press the "Play/Pause" (>||) button. Following are the details on each test.

1st Generation through 4th Generation Tests:
A. 5 IN 1: This runs the following 5 tests at once: LCM, SDRAM, RTC, FLASH/CHECKSUM, and FIREWIRE/FW ID. If you have a 3G iPod, at the end of the test, your buttons will now play a series of sound effects.
B. RESET: Can your iPod reset? Run this test and find out.
C. KEY: After you start this test, you need to press all the buttons on your iPod. If you don't do it fast enough it will fail.
D. AUDIO: Plug in headphones, but don't expect an electronic rendition of Pink Floyd's Dark Side of the Moon. This test checks the audio subsystem.
E. REMOTE: This will test your iPod's Remote if you have one. Plug it in or the test result will be "RMT FAIL".
F. FIREWIRE: Checks your iPod's FireWire port. A successful completion of the test will return"FW PASS".
G. SLEEP: Will put your iPod to sleep. You will need to reset your iPod to wake it back up.
H. A 2 D: Tests the iPod's power. The results will be different depending if your iPod is plugged into your computer, a wall outlet or is just running off battery power.
I. OTPO CNT: Tests your scroll wheel. Results are returned in hexadecimal.
J. LCM: The LCM is your iPod's screen. Keep pressing the "Select" button to toggle through several pattern tests.
K. RTC: Tests the iPod's built-in "Real Time Clock".
L. SDRAM: The RAM memory test. Hopefully it will tell you "PASS"
M. FLASH: Your iPod has built-in Flash memory that stores firmware information. This test will tell you what Firmware version you have installed.
N. OTPO or Wheel A2D: Tests the A2D (analog to digital) input of your iPod's scroll, touch or click-wheel. You need to rest your iPod to exit this test.
O. HDD SCAN: Scans your iPod's hard drive. This is a great way to see if you have a healthy iPod. This test will take a few minutes so be patient.
P. RUN IN: Tests your iPod's chip sets continuously. This may be what Apple technicians use to overall test the iPod before it is shipped out to be sold.

iPod Photo & iPod Video Tests:
Memory: The Memory tests include diagnostic procedures for your iPodÍs SDRAM, IRAM and FLASH memory.

SDRAM: The RAM memory test. The SDRAM Fulltest will take several minutes. A successful pass result is "SDRAM OK."

IRAM: Not sure exactly what this test does. It takes several moments to load before running a quick test and rebooting your iPod.

FLASH: This test will do a checksum test of your iPodÍs flash memory.
IO: Comms: This tests the communication ports of your iPod including USB, FireWire and Remote. If the Remote is not connected to your iPod at the time of the test, you can expect a NG (no good) for the HP (headphone-port).

Wheel: This option has two tests, Keytest and Wheeltest. Push each button once to pass the Keytest. The Wheeltest just gives you a coordinate of where your finger is on the Click-Wheel.

LCD: This option has two tests, Backlight (0 to 255; 128 is the default) and Color. Much like a VRAM test, the Color test will run through a series of colors, patterns and gradients.

HeadphoneDetect: This test checks the Hold Switch and Headphone port.

HardDrive: This option has four tests.

  • HDSpecs will tell you everything from hard drive temperature to serial number.
  • HDScan scans your iPod's hard drive. This is a great way to see if you have a healthy iPod and if your hard drive is fragmented. This test will take a few minutes so be patient.
  • HDSMARTData returns SMART data for professional repair applications and personnel.
  • HDRW tests the ability of your hard drive to RW (read and write data). A FAIL result probably means you need to get your hard drive replaced. Audio: This option has two tests. Playback plays an audio sample to make sure your iPod can produce sound. MIC tests your iPods ability to record audio.
Power: A2DTests: This test has multiple sub tests.

  • PhilipsID checks the power system of your iPod.
  • A2D lists a series of A2D (analog to digital) tests.
Status: Status displays the status of several of your iPod's key systems.

  • Sharp: LCD screen
  • HP: headphones. Are they connected? [0 = no, 1 = yes]
  • FWPWR: FireWire power. Is your FireWire cable charging your iPod?
  • USBPWR: USB power. Is your USB cable charging your iPod?
SysCfg: SysCfg: System Configuration.

This lists your iPodÍs hardware version, serial numbers, and part number.
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HDD SCAN: to test your hard drive

This test tests your hard drive. It can take up to 20 minutes or so.

Steps:

  1. Step 1: Restart your iPod. 1st-3rd generation hold down menu and play/pause. 4th-5th generation hold down menu and select. Wait for the apple logo to appear and then quickly do step 2.
  2. Step 2: Hold down: 1st-3rd generation: <<, menu and select. 4th-5th generation: select and something.

When it is completed, it will show a certain image which tells you if your hard drive is good or not. Following is a list of explanations on each of the images.


  1. DISK SCAN: CHECKMARK
    The hard drive inside your iPod was automatically scanned its built-in diagnostic software. This is the result: Good news! Your iPod is fine. No major issues were found.

  2. DISK SCAN: ARROW
    The hard drive inside your iPod was automatically scanned its built-in diagnostic software. This is the result: Problems were found. You should erase and Restore your iPod right away.

  3. DISK SCAN: CAUTION
    The hard drive inside your iPod was automatically scanned its built-in diagnostic software. This is the result: The scan failed! Reset your iPod now by holding down the Menu and Play buttons for 10 seconds. The scan should start again.

  4. DISK SCAN: X
    The hard drive inside your iPod was automatically scanned its built-in diagnostic software. This is the result: Canceled. Did you get impatient and cancel the scan?
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iPod Updater: Restore or Update your iPod

This is a very handy application to have, you can download it at Apple.com.

Direct links to download: (Report bad links here please.) Here are some of the things you can do with it.
  1. Update: updates the iPod to the latest system.
  2. Restore: completely erases and reinstalls the iPod OS. This is good for fixing iPod software problems, but remember that this erases all of your songs and other data from your iPod. Make sure you have everything backed up before you restore your iPod.
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Disk Utility

This works good often to mount your iPod, or restore it. It is similar to iPod Updater. If you don't know what it is, it is a slightly more complicated program than iPod Updater. For most people, iPod Updater works just as good.

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Disk Mode

Sometimes, when your iPod won't mount, you can force it to do so by following the following key combinations:

  1. Step 1: Connect your iPod to your computer with your firewire or USB cable.
  2. Step 2: Restart your iPod. 1st-3rd generation hold down menu and play/pause. 4th-5th generation hold down menu and select. Wait for the apple logo to appear and then quickly do step 3.
  3. Step 3: Hold down: 1st-3rd generation: << and >>. 4th-5th generation: select and play/pause.
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Reset your iPod

This resets the iPods, and resets all settings to factory settings. Sometimes this can "unfreeze" your iPod.

  1. Check that your hold switch is off by sliding the switch away from the headphone jack.
  2. Press and hold the following combination of buttons buttons simultaneously for approximately 10 seconds to reset the iPod.
    • iPod 1G to 3G: "Menu" and "Play/Pause"
    • iPod 4G+ (includes Photo, Nano, Video, and Mini): "Menu" and "Select"
    • Shuffle: Turn it off, turn it on. Done.
    If you have an iPod Mini or 4th gen iPod or higher, then you need to press the Menu and Select buttons, not the Menu and Play button, to restart. The Select button is the center button in the middle of the wheel. Upon reset, your will see the iPod name and the Apple logo. You may have to attach your power plug in your iPod to make this work. Your iPod should mount on your computer now. If not, keep reading.
  3. The iPod name and the Apple logo will briefly appear upon a successful restart before advancing to the Main Menu.
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Doing more with your iPod

Ever wonder "why is this great little device that is loaded with power limited to just playing songs"? Well, it's not. The iPod can do much more, including accessing entire encyclopedias, playing many gameboy and 3D computer games, and even playing videos and displaying pictures on older iPods. And if you are really crazy about playing with your iPod's system, you can even write code and completely control the structure of the iPod's system. How can this be done? iPodlinux is the answer!

iPodlinux is a free alternate operating system that you can install on your iPod to do all of the things listed above, and more. You can download iPodlinux from http://www.ipodlinux.org Return to top









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