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?

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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.

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:
Charge Information:
Charge Remaining (mAh):          5024
Fully Charged:          No
Charging:          No
Full Charge Capacity (mAh):          5780
Health Information:
Cycle Count:          0
Condition:          Normal
Battery Installed:          Yes
Amperage (mA):          0
Voltage (mV):          12197

Try resetting the SMC:
http://support.apple.com/kb/HT3964

TS1367 Computer won't turn on. It's plugged in and tried to turn it on. Any help please.

Computer won't turn on. It's plugged into an power outlet and the power light no doesn't turn on and the power lights no longer show up. Can someone please help?

Take it to an Apple Genius Bar or an Authorised Apple Repair Centre.

Help! Computer won't detect mic unless webcam is plugged in...

Has this happened to anyone else? I have 2 different headsets and my computer won't detect the microphone on either on unless the webcam is plugged in. It doesn't seem to have any problem with the speakers, but I can't use the mic until I plug in the webcam. Please help! This is really annoying!!
Oh, and I'm using Windows Vista, and the Live! Cam Notebook Pro (VF0400) with the headset that came with it and another headset (not a Creative headset).
Message Edited by triciater on 11-28-2007 11:33 PM

hm... yes! you have same problem as me. I can't change to another mic till webcam is plugged. And this is due to the fact that the webcam has a built-in microphone inside.Moreover in my case, it must be another problem too, because the other person with who I talk hear sometimes a strong noise. I need to change microphone in the Skype options (I go to the Microsoft Microphone, even if it can hear nothing) and I go back on the mic of the cam. The noise disappear for some moments... after again and I do the same.Could someone help us?For me it would be nice to deactivate the mic of the cam and use an headset that doesn't give this noise problem.

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?

Charge it for 30 minutes with the wall charger. Then hold the HOME and SLEEP buttons to reboot the phone. If it stays on when unplugged connect it to your computer and Restore it. If it doesn't you need a new battery; $79 at an Apple store, installed.

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 :(

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 :(

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.

Computer won't turn on or stay 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.

Welcome to Apple Discussions!
It sounds like either your battery is completely depleted or not being recognized or possibly on the fritz. Even in sleep mode, the battery will slowly be depleted, and if it was low to begin with, it could now be too depleted to run the computer.
When you plug in your power adaptor, is the LED orange or green? If orange, then it is charging the battery, and you need to leave the Mac on the adaptor until the battery is fully charged up.
If the light on the power adaptor is green, then the battery is not being charged. If this is the case, try resetting the SMC:
http://support.apple.com/kb/HT1411?viewlocale=en_US
If still no joy, go to >About this Mac>More Info>Hardware>Power and see what it says about the health of your battery.
Good luck!

IPod won't turn on unless linked to PC

Well, my replacement iPod mini won't turn on unless it's attached to the computer. I already updated it as instructed to do so in the instructions it came with, and I already put songs on it. I already tried reseting it. Why won't it turn on? Thanks.

So I figured out that the battery was drained out. I plugged it back in and fully recharged it. I don't use it for like a day and I come back to a drained battery. what is wrong with my iPod???

New MBP won't turn on unless it's on AC power

So, my new MBP won't power on unless it's plugged in. It had 80% charge left. The sleep/wake light was on, but the keyboard was unresponsive and the screen remained off. This happened out of the box, so I charged it, and thought that was it. This morning it did the same thing again. But NOW it seems to be working again. I'd hate for this to happen again, after I can return it. I've tried to replicate the problem but to no avail. Any ideas?
The wake on AC power is not an issue here.

I've had my Macbook for 2 months now. Yesterday VLC was whining that my CPU wasn't fast enough to run a video. Then about 1-2 houras after when I was opening a video in VLC it just froze. After wondering what happened a screen appeared telling me to restart computer and how to do it in 5 languages, the screen also had some color lines in it. OK so I shut it down and turned it back on.
Then it flashed blue screen for less than second and then the screen was all black. Fan was running and the led in front panel was on. Also it doesn't keep the umm..starting sound and doesn't respond when I press the keys (or at least num/capslock won't turn on). Now it just keeps doing that all the time I try turning it on.
I tried resetting PMU but didn't help. I don't have Tiger CD's here so I can't try starting it with them. I wonder what broke up, guess I'll have to take it to Apple authorized care.

My iPod touch won't turn on unless pluggged into wall outlet!!

Hello. A while ago, my iPod started shutting off randomly, even though my battery was fully charged. After it shut off, I would turn it back on, then it was fine. However, as time went on, the time from when I turned it back on(after it randomly shutting off) to when it would shut off again, started to decrease. Soon, my iPod could not stay on for more then a couple seconds.
Now, my iPod touch won't even turn on unless it is plugged into the wall power source. It will even rarely turn on when plugged into the computer. I have reset its settings, and also erased all the data. After doing this, I tried to unplug it from the power source to see if it would stay on, and it did not. (still, when the iPod is plugged in, it says it is fully charged.)Also my iPod is updated to the most recent software.
I am unsure of why this is happening, and quite upset because I have only had this iPod touch since the Christmas of 2010. Is this a defective device, is something wrong with the battery, or is there something wrong with the software?
If I could have advice for fixing this problem that would be greatly appreciated.
Thank you.

You can try restoring to factory defaults/new iPod. However, you likely have a hardware problem. An appointment at the Genius Bar of an Apple store might be useful.

Tried charging my 2009 MacBook Pro but the green light won't turn on and now my computer won't turn on (it was working right before I attempted to charge it!) what do I do????? Even tried using another charger I had for it and nothing! Help

Tried charging my 2009 MacBook Pro but the green light won't turn on and now my computer won't turn on (it was working right before I attempted to charge it!) what do I do????? Even tried using another charger I had for it and nothing. No green light. Computer turn on. Now what??? Help!

QUOTE: "No green light. Computer turn on."
What? so were you able to turn on the computer with the new plug? does it give you any other light? amber/orange light?

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

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