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Help my htc one x wont charge and power on

Update 2
it failed again last night. This time it went into its coma while plugged in to the USB port off the laptop. and it had been plugged in an charging most of the day so I expect it still had at least a 50% charge.
funny though, earlier in the week I got a warning message (while it was also plugged in to charge on the laptops USB) that the power it was receiving was less than the power it was consuming and that I should close some apps. it strikes me as insane (I keep using this word) that a modern smart phone could use more power than USB power can provide.

in any event, once it died, I plugged it into a wall socket for several hours (from about 6pm until 11pm) and tried at various points to revive it. Nothing. (Oh expect that at one point the boot screen did appear and then immediately disappeared and the thing went back into its coma)

This morning the green Full Charge light was on and a 10sec hold of the On button fired it up.

great, but it seems madness that even after an hour plugged directly into the wall I could not use my phone. if I had an emergency, I would be absolutely frantic.
 
It's not insane in the slightest, a USB port on a PC/Laptop only puts out circa 0.5 Amps and most mobile phones require double that to charge and be used at the same time. :)

Unless the port was USB 3.0?

How old is the phone? It sounds as though you could do with giving HTC a call.
 
phone is quite recent, only 3 weeks old. But, it was purchased grey-market and so HTC is going to want to know NOTHING about this unit I am sure. (though the ebay seller has offered to replace it or refund me, which is not bad.)

I don't know a lot about the guts of electronics and I do understand that USB charging is less quick and less efficient than having it plugged directly into the wall. But it strikes me that any electronic device that consumes more power than it can absorb while actually plugged in an charging, even if only via USB hookup, is deficient.

Had I know that my device was actually going to die from malnutrition effectively while charging via USB, I would not have purchased it. Does no one else find this surprising?

and when I have been trying to revive it from its comas, it is actually charged into a good quality (Belkin or the original HTC) wall adapter. And last night, after 5+ hours plugged in, it still didn't respond.
 
It's not the phone or that cable. It is that USB ports on a computer only output .5A of current. Most phones with large touch screens (any smartphone) use more than .5A of power when they are in use. Most wall chargers output 1A or more of power, so they will charge the phone (even at a slow pace) while you are using it. It isn't the phone or a fault limiting it to .5A, it is USB technology.
 
When you say "grey market", it's definitely a proper One X and not some sort of clone? (Apologies if grey market is some sort of colloquialism I don't understand).

Regardless, if the guy has offered to refund or replace for you, I'd take him up on it.
 
that's a helpful explanation of how the charging works.
thanks!
(Now on to getting the phone working correctly. I might try a factory reset before I ship it back. what the heck.)
 
Hi new to this also, I too have a htc one x with a charging problem which I think I have now resolved ( ish ) with the phone off, press and hold the on/off button together with both volume up/down buttons. after about five seconds the phone will come on to the boot options screen, release all the buttons once this screen appears, use the volume down button to scroll to the second option down 'recovery' now press the on/off button to select that option. the phone will power down and come back on with the recovery red triangle on the screen. this is the important bit do NOT use the wall charger, just usb into your PC. don't attempt it with your usb charger already connected either, plug into your phone as soon as phone powers down and before it re-boots into recovery mode. it should stay in that mode for as long as its plugged in!
worked for me and I now have 100% battery after about five hours of charging. hope it works for you!
 
I am new to the forum. My HTC has worked just fine for three years. Today we went to charge it and the battery symbol did not come on after a few minutes as it usually does. Nor would the phone turn on. We are away and had been using the car and computer to re charge it. This time it was the computer. Nothing. So I came on here and read. Holding down the start button, the volume button and facing the phone to the bright computer screen worked. The phone came on and is now charging and is up to 60%. Thanks so much for all of the advice.
 
I know this is an old post, but I had the exact same issues with mine, only my phone was completely dead, not little red light, nothing ... this all happened the very next day after my phone ran out of battery power. It stopped charging via usb & charger ... I thought it may have been the charging port ... I tried various resets & hard resets, holding power button & volume down for 10 secs & so on ... the phone was completely unresponsive & lifeless ... Every day for a week I kept trying to power up the phone, but nothing & it still refused to charge ... Then I tried this ... press the power button 10 times quickly - Bingo, phone booted up & began to charge immediately ... Worth a try folks, it worked for me.
 
Sambo007uk said:
I know this is an old post, but I had the exact same issues with mine, only my phone was completely dead, not little red light, nothing ... this all happened the very next day after my phone ran out of battery power. It stopped charging via usb & charger ... I thought it may have been the charging port ... I tried various resets & hard resets, holding power button & volume down for 10 secs & so on ... the phone was completely unresponsive & lifeless ... Every day for a week I kept trying to power up the phone, but nothing & it still refused to charge ... Then I tried this ... press the power button 10 times quickly - Bingo, phone booted up & began to charge immediately ... Worth a try folks, it worked for me.
Click to expand...
Interesting. I've never heard of that technique before. That was with a One X???
 
Bumpy bump.

But props for Sambo007UK. I pressed the power button rapidly and after about 7 or 8 it powered on. Might still have to deal with the battery failsafe failing bug so it won't even charge.
 
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