IPhone 4 won't turn on unless it's plugged in.

My iPhone won't turn on unless it's plugged into either my speaker dock or a portable charging phone case and even then, it gets stuck on a reset loop about five times before it fully turns on. When it does turn on, it tells me to activate the phone with iTunes. But then I can't unplug it or it'll just turn off.
I've tried plugging the phone into a wall charger and my laptop, but it gets stuck on the reset loop and doesn't even turn on.
I've tried to do a restore (both normally and on DFU mode) but it always comes up with Error 2000.
I've tried to use TinyUmbrella to fix it; doesn't work.
I've tried to replace the battery - same problem exists.
Please help?

Discussion of jailbroken devices is not permitted here.
By replacing the battery (either yourself or a 3rd party) you have voided all rights to support from Apple and these forums.
Good luck.
Replace the device.

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My iPod nano 5th generation got wet and now the backlight is so weak I can barley read anything on it. Also, it won't turn on unless it is plugged in (i.e. to a stero or my Mac), so i cant listen to it anywhere but in my house! Help!

My iPod nano 5th generation got wet and now the backlight is so weak I can barley read anything on it. Also, it won't turn on unless it is plugged in (i.e. to a stero or my Mac), so I cant listen to it anywhere but in my house! Help!

If the iPod is defective and not abused Apple will exchange it at no cost under your warranty.
Make an appointment at the Genius Bar of an Apple store.
Apple Retail Store - Genius Bar

New macbook pro won't turn on unless it's plugged in and won't charge

I just bought a new MacBook Pro and it won't turn on unless it's plugged in. When I unplug it, it immediately shuts down. It's not my charger because my brother has the same laptop so I tried his and it still doesn't work. The battery light on the charger is green and it says on the top of the screen not charging.
This is what it says about my battery:
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Try resetting the SMC:
http://support.apple.com/kb/HT3964

My computer won't turn on unless it's plugged in

Ok, so i left my computer in sleep mode on my desk while I was gone today. When I came back, my computer was dead. I was confused because I didn't leave it on so there was no reason it should have died. Now, it will not turn on unless it is plugged in, and if I unplug it, it will turn off. It doesn't turn all the way, because it will bring back all my data when I plug it back in, but the screen turns grey and it takes a few seconds to do so. Also, just for more information, when my computer is in sleep mode, the white light on the front stops blinking when I unplug the computer.
Any help? I'm so confused and slightly frustrated.

I would have tried that first, but my computer isn't like other MacBook Pros I have seen, the bottom is one piece of aluminum, there is no way to just pop the battery out. Do I need to unscrew the screws and take the entire bottom off?

My iphone 4 won't turn on unless it is plugged into the wall. Also, my iphone won't let me turn on the wi-fi. And another problem is that it sometimes says "searching..." but it still works. And I already reseted the network setting and all settings.

Please help

Hello there, JP3199.
You've mentioned a few issues in your post so I will try to offer up some recommendations for troubleshooting each. In regards to the issue of not powering on unless plugged in the following Knowledge Base article offers some practical steps to try:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Will not turn on, will not turn on unless connected to power, or unexpected power off
Verify that the Sleep/Wake button functions. If it does not function, inspect it for signs of damage. If the button is damaged or is not functioning when pressed, seek service.
Check if a Liquid Contact Indicator (LCI) is activated or there are signs of corrosion. Learn about LCIsand corrosion.
Connect the iPhone to the iPhone's USB power adapter and let it charge for at least ten minutes.
After at least 30 minutes, if:
The home screen appears: The iPhone should be working. Update to the latest version of iOS if necessary. Continue charging it until it is completely charged and you see this battery icon in the upper-right corner of the screen . Then unplug the phone from power. If it immediately turns off, seek service.
The low-battery image appears, even after the phone has charged for at least 20 minutes: See "iPhone displays the low-battery image and is unresponsive" symptom in this article.
Something other than the Home screen or Low Battery image appears, continue with this article for further troubleshooting steps.
If the iPhone did not turn on, reset it while connected to the iPhone USB power adapter.
If the display turns on, go to step 4.
If the display remains black, go to next step.
Connect the iPhone to a computer and open iTunes. If iTunes recognizes the iPhone and indicates that it is in recovery mode, attempt to restore the iPhone. If the iPhone doesn't appear in iTunes or if you have difficulties in restoring the iPhone, see this article for further assistance.
If restoring the iPhone resolved the issue, go to step 4. If restoring the iPhone did not solve the issue, seek service.
My issue is still not resolved. What do I do next?
Contact Apple Support.
In regard to being unable to turn on Wi-Fi, if you mean that the button is grayed out, then this article should prove useful:
iOS: Wi-Fi settings grayed out or dim
http://support.apple.com/kb/ts1559
Follow these steps to resolve the issue:
Restart your iOS device.
Make sure that airplane mode is off by tapping Settings > Airplane Mode.
Reset the network settings by tapping Settings > General > Reset > Reset Network Settings.
This will reset all network settings, including Bluetooth pairing records, Wi-Fi passwords, VPN, and APN settings.
Make sure that your device is using the latest software. To do so, connect your device to your computer and check for updates in iTunes.
If you still can't turn Wi-Fi on, please contact Apple for support and service options. If you can turn Wi-Fi on but are experiencing other issues with Wi-Fi, see how to resolve those Wi-Fi issues.
Lastly, this article should help with troubleshooting cellular network connection on your iOS device:
iPhone: Troubleshooting a cellular data connection
http://support.apple.com/kb/ts3780
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

My macbook pro won't turn on unless it's plugged in

I downloaded the latest software (mountain lion) about 2 weeks ago and ever since my laptop has been a bit slow. today when i was at uni, it wouldn't turn on at all despite having battery (the green lights on the side were lighting up). when i got home i plugged in it and it was fine. the battery icon in the top right has a X through it and when you click it, it says no batteries available!! not sure what's caused this!!

Welcome to the Apple Support Communities
The MacBook Pro doesn't detect the battery. First, to know if it's a software issue, reset the SMC > http://support.apple.com/kb/HT3964 Do the same with the PRAM > http://support.apple.com/kb/HT1379
If it doesn't work, you should consider the option to take the MacBook to an Apple Store or reseller. I highly doubt that this problem is related to Mountain Lion

Iphone 4 won't turn on unless plugged into charger

My Iphone turned on all of a sudden and now it won't turn on unless it's plugged in. It still has my password on but it only says connect to itunes after I type in my password. When I plug it out it turns back off and when I plug it into my computer the apple logo just flashes on and off. Itunes also doesn't sense my iphone. I've tried holding the home/sleep button + Home button while it's plugged in the computer for 10 secs a few times then I tried it for 15 secs a few times then I tried it not plugged it but it still won't it still won't go into recovery mode. What should I do?? Should I just take it in for service?

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My iPhone 4 won't turn on unless I plug it in to a charger it says the battery is 100% and that I need to conect to iTunes when I plug it in to my computer it just comes up with a flashing apple logo :(

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The terms of service of the Apple Support Communities prevent us from helping anyone with a jailbroken phone.
You're on your own. Good luck.

HT1688 I tried to update my iPhone 5 this morning with the new software update and now it won't turn on. When I plug into my itunes account, it says my phone is in recovery mode. Was working perfectly prior to the attempt to update. How do I fix this?

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Zach Doody wrote:
itunes says i cannot update the phone as it is in recovery mode.
That is not what it says. Read the message again. It's telling you it has detected an iPhone in recovery mode and it must be restored.
Restore it. You don't have a choice at this point.

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Once you have a proven, working Charger... Charge the Device for a couple of hours. Then try to turn it on.
If no joy...
Press and Hold the Sleep/Wake Button and the Home Button at the Same Time...
Wait for the Apple logo to Appear...
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Release the Buttons...
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Be sure to make an appointment first...

HT201407 Hello All, I bought an iPhone of eBay. It seemed fine until this morning when it switched itself off and now it won't come on unless it's plugged in. And even then it is asking that it needs to be activated, but it can't connect to iTunes. Any su

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Try Recovery Mode... http://support.apple.com/kb/HT1808

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IPhone 4 won't turn on unless it's plugged in.

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