Iphone4 will not power up

iPhone4 will not power back up, it has been charging for hours

If it needed to be plugged in several times a day to work "fine," then it wasn't working fine.
If a reset doesn't work, make a Genius BAr appointment and they will run some diagnostics on your phone and tell you the problem, and since its under warranty, will fix it too.
Make sure it's backed up before going to the Apple Store. They may give you a new phone.

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Iphone4 will not power on what do i need to do?

iphone powered down and will not power back up what should i do

Hello there, sabrina38.
The following Knowledge Base article provides some great recommendations for troubleshooting your issue:
iPhone: Hardware troubleshooting
http://support.apple.com/kb/ts2802
Particularly:
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.
Thanks for reaching out to Apple Support Communities.
Cheers,
Pedro.

New iphone4s will not power on

Just got it shipped to me today took it out of the box and it will not come on, changed it for an hour and it still will not power on?

I too had a similar problem. The brick went bad.
I had to use a Fluke meter to measure the voltage at the tip, as there is no light on the brick, nor is there a functional light on the computer.
Yes, it is supposed to flash a couple of time if there is juice in the wire, but my issue, was that it supplied power, but failed under computer drain initially, until it gave up. My screen kept flashing when power was on, and power was off. Effectively, the screen became my power indicator.
Having had similar issues in the past with switching supplies that had a thermal breaker built in, I waited hoping it would reset. BUT, no light on either the brick or the computer, just wasted my time trying to solve the problem the normal way. If there was a light, you would know immediately. It finally gave up life, and never revived. No light on the brick, and NO indicator light on the W540.
The new brick was made by another vendor, and runs much cooler. If you want the markings on the broken brick, v.s. the new one, just ask.....
Not acceptable, but stuck with this..... At the end of the year, someone at Lenovo will get a raise, based on sales....
My productivity is going down!

My iPhone4 will not power on

My iPhone 4 will not power on. I have tried to charge it, but it will not charge.

I have the same prob

My iphone 4 will not power up

My iphone4 will not power up. The battery is fully charged, i have tried pressing on power and home button for 10 sedc then the power button with no luck.
when i set the phone up last week i install version 4.3.3

Plug it into the computer and start iTunes. Hold down the sleep/power button and home button together for 10 seconds, then release the power button and continue to hold down the home button until a message appears in iTunes telling you an iPhone in recovery mode has been detected. See if that works

TS1702 I have just installed iso6 and now no apps will open and the iphone will not power down

Help required I have just installed iso6 now the iphone4 will not open any app nor will the phone power down

I have had Lion since it was first released July 20th, and I have noticed that I can not zoom in on everything that is on the internet, some things seem to not be able to be zoomed in on. Are you saying that no matter what website you go to (this one for eample) the zoom function does not work?

The wifi on my new replacement iphone4 will not turn on so i can do the lastist update so i can do the backup? , thanks

the wifi on my new replacement iphone4 will not turn on so i can do the lastist update so i can do the backup? , thanks

If none of the tricks like reboot (hold both the power and home buttons until the apple logo appears) do not help, take the iPhone back to an Apple store genius bar and have them test the WiFi module. You can also connect via USB to a computer running iTunes and update that way.

HT4623 after installing ios7 my Iphone4 will not work

after installing ios7 my Iphone4 will not work

Try a reset: hold down the home button along with the power button until you see the Apple, then let go.

HT1430 my iPhone4 will not turn on or show that is working at all, i have tried to charge it so that the screen will light up but it won't work, when plugged into the computer iTunes does not show any sign it is plugged in, what do i do?

my iPhone4 will not turn on or show that is working at all, i have tried to charge it so that the screen will light up but it won't work, when plugged into the computer iTunes does not show any sign it is plugged in, what do i do?

There is a hardware problem. Whether it's worth it to you to have no working phone for 2 months until you can update vs paying for replacement/repair now is a question only you can answer.

My Powerbook will not power up, but I can hear the fan running...

Please help!! My Powerbook will not power up, but I can hear the fan running when I press the power button to attempt to power it up. I just received a new power adapter because it wasn't working properly and it was doing this before and then it worked for a week and now it will not power up at all. It just starts the fan but nothing else turns on. When I plug the adapter, with the battery still connected, it will look as if it is charging but then the light on the plug turns from green to orange then off and doesn't power up at all. If I take the battery out and plug in the adapter, the light stays on but it does not power up except for the fan noise. Does anyone have any suggestions? I also followed the two articles listed online in regards to resetting the power setting and the command + alt + P + R as well. Nothing works. Thanks in advance.....

Same here. If I start up with the power adapter attached, it starts up fine. If I try to start up from battery only, the fan comes on, the sleep light comes on but nothing else happens. I tried letting it sit that way for about 15 minutes and nothing changed. I tried attaching the power cord while in this mode and nothing changed. I tried the PMU reset a couple of times but nothing helps.
This computer is just over 1 year old and I have not had any problems with the power cord (3rd party), the battery, or any problem like this before. It started after a proper shutdown last night and attempt to start without the power cord this afternoon.
Any answers to this yet? I think I'll call on this and report any success to this discussion.
15" PowerBook G4 Mac OS X (10.4.8) 1 GB DDR2 SDRAM, 100 GB HD

Need Help HP DM3 (DM3-1130us) Laptop will not power on. No power at all except for light on a/c jack

Hello, I need some help.
I have a HP DM3-1130us Laptop that will not power on at all.
the only thing that happens when I plug it in is the power jack lights up.
When the power button is used absolutely nothing happens.
No power, no fans, no leds, no on/off cycles, no beebs, absolutely nothing
just the light by the power jack that says the cord is plugged in.
The laptop has Windows 7, 320gb hdd, 4gb ram.
I have tried new power adapter and still nothing.
I have taken the battery out and tried and nothing.
I've tried the option where you take the battery out and hold the power and nothing.
I have tried with different hard drive and no hard drive and nothing.
I have tried reseating the ram and tried new ram modules still nothing.
So I am kind of stumped on what to do, the laptop will just not turn on.
Its not under warranty anymore so cant send it off.
It has not been exposed to any elements(extreme heat or water).
and its never been dropped or anthing.
Im kind of wondering maybe the power button board its self is bad?
If feels fine, its not loose or anything but could it
have just stopped working? for those who are not familiar with this model.
the power button is on the side and is a kind of drag and release button.
Its also on the same board with the Wifi button and 2 Usb ports.
But Im wondering before I buy a new one if this is what it could be.
Or could the motherboard its self be bad?
But even if the motherboard is bad would it still power up
just not post?
Also does anyone know of any other way to try to power this laptop up
without using the slide button. I mean kind of like off a Dv6000 you can power the laptop on by using the Quicklaunch buttons on top but this laptop does not have those.
If anyone can provide any information I would appreciate it.
Thank you.

Hey Tyler,
Unfortunately it is difficult to troubleshoot this type of issue. The majority of the time when the computer wont power on with the same symptoms you described, the power supply board is faulty. Most of the time if the motherboard is bad it should at least turn on or so some signs of life. Like I said, this is most of the time. Sometimes it could do exactly what your experiencing. I would suspect the power supply board has failed since you are not receiving any sort of lights, sounds, etc.
You could check the motherboard for swollen capacitors or loose solder joints but sometimes you wont be able to find anything.
I hope this helps answers your questions,
Sean
-------------How do I give Kudos? | How do I mark a post as Solved? --------------------------------------------------------

My iPhone 5s will not power on and I need my serial number for support.

I am attempting to get help through Apple Support- Chat, but I need my serial number. It is not showing up in iTunes under the device preferences. Any other ways to retrieve the serial number through iCloud?
If anyone has any idea of what is going on with my phone, I would love some assistance. I live 45 minutes from the nearest Apple Store. Here's the situation:
About 2 weeks ago, my phone started shutting itself off and restarting randomly.
About a week and a half ago, I would randomly get a blue screen and then the phone would restart multiple times.
About a week ago I turned off Touch ID in an effort to resolve the issue, after reading some fixes from this community. That seemed to help. I do have the animation turned off, so I had read that there may be an issue between the Touch ID and animation reduction. If that had not helped, I was going to turn the animation back on.
Last night my phone seemed fine. I did hear it restart in the middle of the night once, but this morning it will not power on at all.
I tried connecting it to my computer through iTunes, but iTunes does not see it and I cannot access the device information from it.
My phone is less than a month old, and for the first two weeks it worked great. I am taking it into the AT&T Store today where it was purchased, but I don't really have high hopes for a resolution.
Any help is much appreciated!

Sorry AT&T store won't be much help.
I suggest you make an appointment with the Genius bar and then go to the Apple store.

Macbook Pro will not power on without battery installed

Hi there,
I have a Macbook Pro A1226 that fails to power on without a battery installed.
i.e. will not run off AC power on its own. I have tried 2 other power adapters, no change. All 3 adapters are outputting the correct voltage without fluctuations.
But, if I am in OSX with a battery plugged in, shutdown the laptop, remove the battery while AC is still plugged in, it will power back on without any issues. But as soon as I remove the battery, it will not power back on using just AC.
Is this an I/O board issue, or a mainboard?
I have power drained the unit and reset the parameter ram.
Thanks

Any update on this? This is the same thing that's going on with my laptop right now. I was at the Genius Bar and they said they can send it in for repair. Takes 7-9 days and costs a minimum of $310. At the time I was there, my computer wouldn't start up at all, because the battery had drained to less than 20%. It didn't even start with just the power cord (no battery in). The "genius" finally got it to work by doing a PRAM and SMC reset. Got home and was able to recharge my battery to 100%. Used my computer for 2 days before I dared to take it off the power supply. Lo and behold, as soon as I take it off the power cord, then re-connect it, it shows "Not Charging". I tried to do SMC again, but no luck. Keeps saying "not charging". Even tried with a brand new battery. Do I have to get the I/O board thingy replaced?

Ipod touch generation 5 will not power on

My ipod touch generation 5 will not power on though it was showing to b e fully charged. I have been pressing and holding the on button on the top which usually cause a the screen to light up. Is there some way to get it to work?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try another cable
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

My ipod touch will not power on or even be acknowledged by my computer when i plug it in, any suggestions to the problem

My Ipod will not power on, it is fully charged and if I plug in into the computer it doesn't even ackowledge it. Any suggestions?

Try a hard reset and go from there.
Basic troubleshooting steps.
17" 2.2GHz i7 Quad-Core MacBook Pro  8G RAM  750G + 120G OCZ Vertex 3 SSD Boot HD 

Iphone4 will not power up

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