My Macbook will not boot the operating system. It just goes to a blue screen after the apple logo and the spinning wheel goes off. I took the battery out and held the on/off button for five seconds and reset the PRAM. I have the old mac os disk.

My macbook will not boot. It goes to a blue screen after the logo and wheel goes off. I have taken the battery out and held the on/off button for five seconds and reset the PRAM. I have the the original os disk but have not put it in for fear of losing un backed op data.
Thanks
Rich

You won't lose any data unless you erase your hard drive.
Put your install DVD into the optical drive and reboot. As soon as you hear the boot chime, hold down the "c"key on your keyboard (or the Option key until the Install Disk shows up). That will force your MacBook to boot from the install DVD in the optical drive.
When it does start up, you'll see a panel asking you to choose your language. Choose your language and press the Return key on your keyboard once. It will then present you with an Installation window. Completely ignore this window and click on Utilities in the top menu and scroll down to Disk Utility and click it.When it comes up is your Hard Drive in the list on the left?
If it is then click on the Mac OS partition of your hard drive in the left hand list. Then select the First Aid Tab and run Repair Disk. The Repair Disk button won't be available until you've selected the Mac OS partition on your hard drive. If that repairs any problems run it again until the green OK appears and then run Repair Permissions.

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It rained in my window last night, on my power strip. My macbook adaptor (charger) and iphone adaptor were both plugged into the strip. The power strip is dead. Iphone is fine. Macbook will not boot up and charger light doesn't go on. I borrowed another charger and still no luck. What should I do? (Charger wasn't plugged into Macbook until I dried it off.)

Spill Cleaning
And, don't think that just because it was two teaspoons and not a glassful that there is a difference.
Some liquid has just spilled into your Mac. What should you do?
Do
Immediately shut down the computer and unplug the power cord.
Remove the computer's battery (if you can)
Disconnect any peripherals (printers, iPods, scanners, cameras, etc.)
Lay the computer upside down on paper towels to get as much liquid as possible to drip out.
Note what was spilled on your Mac.
Bring the computer into an Apple store or AASP as soon as possible.
Don't
Don't try to turn it back on. Liquids can help electrical current move about the components of your Mac in destructive ways.
Don't shake the computer (this will only spread the liquid around).
Don't use a hair dryer on it (even at a low setting a hair dryer will damage sensitive components).
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Here, ipod touch screen went white, tried to plug it in to itunes, computer did not detect it. Tried pressing the menu and off/on button for 10 seconds and it still didn;t work? Help please.

Hi there, ipod touch went white. I tried the menu and on/off button for 10 seconds. I also tried connecting to the computer via i tunes. My computer did not detect the ipod? Any other options?

See the white-screen topic of:
iPod touch: Hardware troubleshooting

My Ipod will not turn on. I held down the power and home button for several seconds, and the apple sign shows up. Itunes doesn't even recognize my Ipod. HELP!!!!

My Ipod will not turn on. I held down the power and home button for several seconds, and the apple sign shows up. Itunes doesn't even recognize my Ipod. HELP!!!!
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I ended up on this link, which related to my problem:
http://support.apple.com/kb/ht1808
When I got to step #3 (While pressing and holding the Home button, reconnect the USB cable to the device. The device should turn on.) my Ipod would not turn on, and Itunes did not recognize my Ipod. :S

My ipad 2 just went off. It was working perfectly while charging. I have pressed the power button for ten seconds and it's still not coming on. What do I do?

My ipad 2 just went off. It was working perfectly while charging. I have pressed the power button for ten seconds and it's still not coming on. What do I do?

First, confirm that the iPad is charged and then try a system reset. It cures many ills and it's quick, easy and harmless...
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I opened my iPod Touch up to fix my home button. When i closed it back up it had a white screen. I tried pressing lock and home button for 10 seconds and it worked but while i'm using it it goes white with lines on the screen. Help please

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Try:
fix for Home button
iPhone Home Button Not Working or Unresponsive? Try This Fix
- If you have iOS 5 and later you can turn on Assistive Touch it add the Home and other buttons to the iPods screen. Settings>General>Accessibility>Assistive Touch
- If not under warranty Apple will exchange your iPod for a refurbished one for:
Apple - Support - iPod - Repair pricing
You can do it an an Apple store by:
Apple Retail Store - Genius Bar
or sent it in to Apple. See:
Apple - Support - iPod - Service FAQ
- There are third-party places like the following that will repair the Home button. Google for more.
iPhone Repair, Service & Parts: iPod Touch, iPad, MacBook Pro Screens

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Try:
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How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
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Try:
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- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
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and
Not Charge
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iPod touch: Hardware troubleshooting
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Frozen or unresponsive iPad
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Security change hdd. MacBook will not boot.

Hi all,
I am in some real need for help.
Yesterday i changed the security of my macbook(aluminium) because i am at a hotel with wifi.
(selected in Finder "this computer" pressed command-i, and in information checked the option "secure.")
At night i shut down my mac without problems. But this morning it does not boot up anymore.
All i get is the grey screen with Apple logo and spinning progress wheel. It stays in this mode until eternity.
In verbose mode i checked fsck -f and it said at the end HD is OK. So I recon that there is nothing wrong with
my hdd in itself. (thought at first that hdd would be chrashed).
Anybody any ideas?
Can i undo the security in verbose mode and what is the command line?
Thanks for all the help. Am in czech republic so not able to go to my usual mac shop.
Jake (written with iPhone)

Tough without the Install disc, but some things to try...
Does it boot to Single User Mode, CMD+s keys at bootup, if so try...
/sbin/fsck -fy
Repeat until it shows no errors fixed.
(Space between fsck AND -fy important).
Resolve startup issues and perform disk maintenance with Disk Utility and fsck...
http://docs.info.apple.com/article.html?artnum=106214
Tough without the Tiger Disk problems, but try fsck...
To use fsck, you must run it from the command line. Unlike using your mouse to open an application to do something, you'll need to type a text command at the prompt (#) to tell fsck what to do. The Terminal application (/Applications/Utilities) and single-user mode are two examples of command-line interfaces in which you can type such commands. To use fsck:
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2. At the command-line prompt, type /sbin/fsck -fy
(SPACE between fsck AND -fy important)
3. Press Return. fsck will go through five "phases" and then return information about your disk's use and fragmentation. Once it finishes, it'll display this message if no issue is found: 
The volume (nameofvolume) appears to be OK  If fsck found issues and has altered, repaired, or fixed anything, it will display this message: *** FILE SYSTEM WAS MODIFIED ***   Important: If this message appears, repeat the fsck command you typed in step 2 until fsck tells you that your volume appears to be OK (first-pass repairs may uncover additional issues, so this is a normal thing to do).
4. When fsck reports that your volume is OK, type reboot at the prompt and then press Return.
http://docs.info.apple.com/article.html?artnum=106214

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Hi and welcome to the forum.
What you saw was your MacBook having what is termed a Kernel Panic. Information on what a Kernel Panic is can be found here:
*What's a "kernel panic"? (Mac OS X)*
http://docs.info.apple.com/article.html?artnum=106227
Should you be worried? If it happens often the you should have it looked at. Kernel Panics are often (not always) attributed to memory module faults but anything (hardware and/or software) can cause them.
If you do not get a Kernel Panic again then I wouldn't worry about it and carry on working as normal.
Kryten

My Macbook will not boot the operating system. It just goes to a blue screen after the apple logo and the spinning wheel goes off. I took the battery out and held the on/off button for five seconds and reset the PRAM. I have the old mac os disk.

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