Cannot restart my 7.7 & some other issues - Galaxy Tab 7.7 Q&A, Help & Troubleshooting

Hello XDA
It's been a while living with this problem on my 7.7. The first time it occurs. It just snapped and never turn on no matter what I did. This included hold the power buttons with or without the two buttons combination. Leave it being charged and do it again. Leave it alone for an hour and try again. There was no luck. Within hours, I try turning my 7.7 on again. KABOOM!!! the splash screen got its greetings on me.
That was like 2 months ago. But that's just when all these things started. Now I cannot restart my Tab. When I choose to restart, it will just turn off. And the same behavior comes and greets me again. This is so frustrating. I'm getting a grip now. I plugged my wall charger in and I can see the charging sign on my 7.7"(it is not being charged sometimes, no response at all). And it won't just start!!! I tried all combinations available. It will just turn itself off and show me the charging sign again! And yeah... sometimes it doesn't respond at all. Have to wait like 5 to 10 minutes to get a charging sign to show up. And with some of luck, sometimes it just starts! LOL And this is how I'm using my Tab now. Just wait for my lucks and turn it on again!
This happens to me every time I restart my 7.7. I tried flash many stock ROMs with Odin, tried some custom ROMs(YES, I have to try all those methods I mentioned above every time I restart within the progress of flashing the ROMS). No LUCK. This still is haunting me. I don't know what to do anymore. -___________-
Could it be a hardware failure? Can I try something more myself? Should I just hand it over to Samsung?
Thank you,
Putthabut N.

you better got for RMA... i think that might be a hardware failure...

It's still under my 1 year warranty time....:good:

Thread moved to Q & A section, post in the relevant section next time.

Related

[Q] Brand New G-Tablet, powered on once

Hey everyone.
I just got a brand-new G-Tablet through Sears. I'm checking here to see if anyone has any ideas before their tech support opens in ~two hours.
I got it to my office, plugged it in and charged it until the light turned green. Then I turned it on and played with it a bit. I didn't have a method to put it on the network right then to sync anything, so I really just poked around and then set it to the side. One thing to note is that I wasn't presented with a setup screen at all, it booted straight to home.
Then later that afternoon when I went to go home, it wouldn't power on. I'm not sure if it went to sleep or powered off, but nothing happens no matter what button combination I press. I've tried just pressing power, holding it down for 4 seconds, holding it down for 30 seconds, power and volume + at the same time, and power and volume - at the same time.
I tried hooking it up to my computer last night, thinking that maybe the display didn't come back from sleep and maybe I could force a reboot via ADB, but it must be off alltogether since it didn't trigger a USB installation on the computer.
When I plug it in to charge, the little light turns red, then a while later turns green, indicating that it is fully charge, yet still no joy.
Your thoughts?
Press the power button for a really long time to see.
Sent from my GT-I9000 using XDA App
Just held it down for 90 seconds, no dice. I tried pressing it briefly afterwards too just in case.
I think Roebeet and a few others had a similar issue. I believe they had to wait 24+ hours for the battery to drain. I can't find the thread but the search button may help
You didn't update the firmware, correct? This is a known issue with the older firmware and it's happened to me.
I believe that the device is frozen - and yes, when it gets in that state you cannot reset it, even when holding down the power button. You have two choices, when this happens:
1- Open up the back of the device (and thus voiding the warranty) and press the reset button on the system board. That will fix it immediately. I know this probably isn't the best option, but I wanted to mention it.
2- Unplug the device and wait for the battery to completely drain. This takes about 24 hours. Once drained, you can press the power button and it will boot up for 10-15 seconds before stopping - that's your queue that the device is "fixed" so you can start re-charging it.
Fortunately, this probably seems to be resolved on newer firmware, tmk. I've only had this happen on a device with the original stock firmware.
The two of you are gentlemen and scholars. I'll let you know how it turns out. I was on the phone to get the RMA when the line went all fuzzy and I couldn't talk to them. Then it did the same thing when I called back. Then I saw this post. Divine Intervention...
Going on 28 hours now and still nothing...I'll probably give it at least 3 days before I send it back.
Give it a few more hours, and then plug it in for a minute and try powering it up. the battery could be so drained at this point that it needs to be plugged in to go on.
Mine took 24 hours to drain, but I wasn't sure if it was at 100% charged, at the time.
Almost to the 48 hours mark and still nothing. I tried plugging it in briefly just to check and the red light still comes on, but it won't power up. Anyone know the possible standby time of a fully charged batter on these things? I was thinking if the system locked up and it isn't hardly doing anything, it could last a while...
Maybe a return to the store you purchased it from at this point. The battery should be dead by now. You should be able to get an exchange or you can try the other route Roebeet suggested but that will definitely void your warranty
thebadfrog said:
Maybe a return to the store you purchased it from at this point. The battery should be dead by now. You should be able to get an exchange or you can try the other route Roebeet suggested but that will definitely void your warranty
Click to expand...
Click to collapse
The problem is that I'm in Guantanamo Bay, Cuba. Shipping time is at least 2 weeks and sears won't do an advance replacement. Neither will the Viewsonic support folks. So I'm either stuck having to buy a second one and waiting for them to get the original back before the refund, or waiting a month or more for a repair...
Are there any seals inside the case that get broken if you open it?
I don't know the answer but this may be of some help
http://forum.xda-developers.com/showthread.php?t=842354
thebadfrog said:
I don't know the answer but this may be of some help
http://forum.xda-developers.com/showthread.php?t=842354
Click to expand...
Click to collapse
I think I'm just going to give it anther day then send it in for repair.
Still nothing. Since its going to be over a month before I get a replacement, I'm just going to return it and wait for the new crop of tablets to come out. Thanks for the help guys.
Sent from my Dell Streak using XDA App
Sorry to hear that. I think the reset button on the board would have worked, but I understand why you wouldn't want to open the device up. We shouldn't have to void our warranty to be able to do a hard reset.
Rhodizzle said:
Still nothing. Since its going to be over a month before I get a replacement, I'm just going to return it and wait for the new crop of tablets to come out. Thanks for the help guys.
Sent from my Dell Streak using XDA App
Click to expand...
Click to collapse
You might try nvflash.... worked on a friends.
GTO777 said:
You might try nvflash.... worked on a friends.
Click to expand...
Click to collapse
But was your friend's responding at all? I get absolutely nothing. the only thing the tablet does is give me a red light when it's charging and a green light when it's done. The power button does nothing and volume down + power does nothing. doesn't nvflash require a connection over USB before it can do anything?

[Q] Frozen start screen on Samsung Omnia7

Apologies for starting this thread but I've searched the WP7 forums before posting this.
Last night my phone battery died (as per normal with heavy use), when I plugged it into the charger later in the evening, it turned on and has remained frozen on the start screen "Samsung Omnia7" and doesn't load up as normal from there.
I've left it charging for a few hrs, so I know battery is ok, but everytime I turn it on, it's frozen on that screen.
I've tried a hard reset which takes literally 2 seconds before saying that it's done but then goes back to the same start screen and remains frozen.
Any ideas what to do?
sameerabedi said:
Apologies for starting this thread but I've searched the WP7 forums before posting this.
Last night my phone battery died (as per normal with heavy use), when I plugged it into the charger later in the evening, it turned on and has remained frozen on the start screen "Samsung Omnia7" and doesn't load up as normal from there.
I've left it charging for a few hrs, so I know battery is ok, but everytime I turn it on, it's frozen on that screen.
I've tried a hard reset which takes literally 2 seconds before saying that it's done but then goes back to the same start screen and remains frozen.
Any ideas what to do?
Click to expand...
Click to collapse
Since you've already hard reset and lost your data, you could try flashing a new ROM from samfirmware.com.
There's a really good guide for doing this in the Omnia 7 forums:
http://forum.xda-developers.com/showthread.php?t=973420
Thanks for the suggestion, will give that a go.
Alternatively, I may just use my phone insurance and arrange a replacement through Orange.
Better get a replacement if can.
sameerabedi said:
Thanks for the suggestion, will give that a go.
Alternatively, I may just use my phone insurance and arrange a replacement through Orange.
Click to expand...
Click to collapse
You could do that. Flashing would most likely void your warranty so may be worth trying to get a replacement first.
Managed to get a replacement from Orange this evening.
The mods can delete this thread if you want.
Also, just a quick note, connected it to Zune and the NoDo update is still not available unless I push through the method mentioned here on the forums.

[Q] Screen not responding to touch

Hi everyone, just got the tablet today and set it up at work, played with it for bit and everthing was working fine.
Got home about 2 hours ago and now when I wake it from Sleep, the touch screen is not responding at all. Have tried everything, power is 98%, plugged into a PC, did the hard reboot, even wiping the data to start setup again. But all to no avail.
The screen isn't responding at all. Its very frustrating as I want to play with it some more!!!
Hope someone has experienced this and can help.
had the same issue once...i turned it off and left it for about 5min...turned it on and the screen works again...
this hasn't occured since then..probably just a system glitch..
Happened to me once, reset the device and it worked. Now it happened again and its been unusable for a day. If it doesn't work tonight, the $hit is going to hit the fan...
Are you stuck at the lock screen immediately after booting because the unlock function doesn't respond to touch? If so, I'm having the same situation. I really hope that waiting a few minutes does the trick...
Edit: even did a full wipe and the thing is still unresponsive. I assume this is a very bad sign. FML.
Have you guys contacted ASUS support? They will probably have you RMA it. How long did you guys have it before this happened? Now I'm worried that mine will do the same thing.
ASUS support did want to RMA my TF that was having this problem. However, after leaving it off for a couple hours, I went to turn it on to wipe out all my account settings and the touchscreen started working again.
I have no explanation for why it started working though. The last thing I did before it was magically fixed was go through the normal shutdown procedure by answering the 'do you want to shut down' using the dock's mouse instead of just holding down the power button. Maybe that made a difference?
Blue_Man said:
Are you stuck at the lock screen immediately after booting because the unlock function doesn't respond to touch? If so, I'm having the same situation. I really hope that waiting a few minutes does the trick...
Edit: even did a full wipe and the thing is still unresponsive. I assume this is a very bad sign. FML.
Click to expand...
Click to collapse
This is what happened to me. Stuck at the lock screen, no touch at all. After 4 days of waiting for Asus to reply to my email and several disconnected phone calls, I have returned it to newegg. Since this item is still out of stock I expect to receive a full refund. Which is fine by me. June 8th, here I come.
Same thing happened to me, just returned it to fry's and was able to avoid the restocking fee. Going to get the galaxy tab come june 8th now instead.
Sent from my Xoom using XDA Premium App
I have weird little quirky things like this happen from time to time with my TF, such as having to hit the power button or lock button twice before it works. I think it might be more of a software issue than anything to be honest. Hoping that future updates will correct all of these issues.
I hope its a software issue....
Found a solution that worked for me. I booted into recovery mode by holding vol down and power. then I selected vol up to enter recovery. Then the exclamation point came up with the android robot. I left it like that for a few minutes then held down the power until it resarted.
It booted up like normal, no data lost. I then restarted for good measure. Came right back up like normal, touch screen and all.
Thanks jdmnash. I followed your instructions and it worked like a breeze. Should make this part of a sticky help thread.
Found a solution
Update: Tried every fix I could identify on the forums as I was also draining the battery as suggested on several forums. After 4 days waiting for the battery to drain, I was able to restart the TF and get active responses to the touchscreen. Unfortunately I had performed a reset and wipe earlier so I am having to reload everything. I am happy to have a functioning TF again, but have serious concerns about this failure and this awkward repair method. Additionally, I have still not had a response from ASUS support from 5 days ago.
Mine is constantly doing this. Randomly.
Its as if the daemon for screen touch detection crashes. The rest of the unit is fine but that stops and the only fix is a power button off, then on.
Something is not right here. Its vanilla out of the box, no extra software just the 13 FW update.
Will 3.1 fix this? Hopefully, as it stands, this will have to be returned. It is not fit for purpose, constantly failing.
same problem
Just picked up mine. Out of the box at a cafe it worked just fine. Brought it home and same problem as everyone else in this thread. Have tried all of the suggestions in this thread (except waiting for the battery to die). Even installed the 3.1 update via SD. Still no joy. Guess I'll try a few more things before returning it. My guess is a problem in the supply chain with the capacitors that detect screen touch. Doubt that it can be solved solely through a software update (or if it can it definitely didn't make it into 3.1)
my touch screen stopped working a week ago while i was at school. and i got really pissed and just kept on rebooting it and after like 5 or 6 reboots it started working. Havent had same problem since.
Hmm... thanks for suggestion. Tried booting it about 5 times but still borked. Draining the battery now as my last attempt before taking it back.
Update: I ran the battery down to zero. Charged it up for 30 mins and now it works again. Hope I don't have to repeat that very often.
BTW, the fastest way I could find to run down the battery was to power on while holding down the volume down button. Then just leave it sitting in that state until it reboots itself and then repeat.
Unstable touchscreen
obi-nine said:
Update: I ran the battery down to zero. Charged it up for 30 mins and now it works again. Hope I don't have to repeat that very often.
BTW, the fastest way I could find to run down the battery was to power on while holding down the volume down button. Then just leave it sitting in that state until it reboots itself and then repeat.
Click to expand...
Click to collapse
Hi , After the battery is zero and then 30 minutes charging, in order to make it work , did you discharge it right after 30 minutes or still you keep it charging ?
I got same problem with my TF which is really a disappointment.. I tried to factory reset, reboot ... but still can't make it work. I have to try this trick by draining the battery to zero. Hopefully, I get advise from all of you for this problem ?
Thanks a lot
Can you guys try using ADW launcher and see if things improve?
I think it did for me.

P6810 suddenly won't turn on

Anyone come across this? I put it on standby last night after reading a bit of my book on it, and it had around 50% power remaining. This morning, it was totally unresponsive; pressing the power button does nothing at all. I've charged it for 12 hours in the meantime.
I've done the following all with and without the power attached:
- Pressed and held power for 15 seconds through to a minute
- Pressed and held volume up with power to attempt to get into recovery for up to a minute
- Pressed and held volume down with powerfor up to a minute
- Pressed and held power while touching screen (read that one off another forum)
I guess potentially it could be on and in a crashed state and unresponsive to the power, so maybe in a weeks time when it runs out of juice, I'll be able to charge it and power it back up, but in the meantime, I'd welcome suggestions.
A few weeks ago I updated it to the official ICS build that was released, but did the update myself rather than using KIES, as KIES didn't even recognise my Tab's firmware original version. It's been absolutely fine before the update, and since. I only mention it because I've read about the Samsung build of ICS being prone to self bricking itself, but I couldn't determine what the symptoms of this vulnerability were.
Thanks for any help offered,
Will
did you try connecting USB cable and plugging it into your PC? did u get any activity? can ADB recognize your tab?
I think your tab just ran out of juice and the battery's protection circuit has kicked in. Try taking it to an electronic shop and plugging in different chargers preferably one with an output more than 2.1 amps to kickstart the charging. Plug it in and wait till the charging animation starts.
Sent from my GT-P6800 using xda premium
Had the same problem while on holidays. Once the battery goes below a certain level, you won't be able to charge it through USB any more. Instead you need to use the wall charger.
I think it's bad enough that the 7.7 doesn't have a micro USB port, but things like that are just stupid and Samsung made a big mistake here. It don't think it's the same with the newer tablets though. It's also not possible to just buy cables or chargers for this strange Samsung port, so when you forget your wall charger at home at some point you won't be able to use your tablet any more.
As long as you charge with the USB cable early enough, you can avoid it though.
A few months ago I experienced the same thing, the Tab just wouldn't turn on anymore.
I tried all there is without any luck.
Contacted amazon and they replaced it with a new one in less than 48 hours.
So far not Problems with the new device.
I have the P6800 and this morning I took it off charge. Put it into standby and only used it for about 20 mins then left in standby all day. It had about 95% remaining when I did so.
Picked it up this evening and the lower left area of the screen was warm and it would not switch on. Didn't think of the ADB idea but will try this next time but I had to reset it and when it powered on tonight after the reset, it was down to 15%. Within about 2 mins of checking stuff it was down to 3%.
Something is running when it is in standby but as I can't switch it on I can't check with BetterBatteryStats or CPUState to know what is wrong.
It does this every day. I am tempted to do a factory reset and reinstall only limited software.
Dave...
I see this thread is a little old but this has just happened to my P6810 too. A pity nobody reported back what the end result was.
My device had at least 95% battery last night but today I can't get it to respond at all, I've tried the wall charger and still nothing.
Anything else someone could suggest for me?
Edit. I tried getting anything from it connected to my PC but it couldn't find a device there. However I then tried it on the wall charger again and now get a blue battery icon, quite big, with a five step animation indicating that it is charging.
No idea how it went flat as the battery on this lasts a long time assuming the screen isn't on. When it boots properly I'll have a look at what the most recent apps I installed were as it has only done this once. Before this it has been perfect for the three weeks I've had it.
Cluey said:
I see this thread is a little old but this has just happened to my P6810 too. A pity nobody reported back what the end result was.
My device had at least 95% battery last night but today I can't get it to respond at all, I've tried the wall charger and still nothing.
Anything else someone could suggest for me?
Edit. I tried getting anything from it connected to my PC but it couldn't find a device there. However I then tried it on the wall charger again and now get a blue battery icon, quite big, with a five step animation indicating that it is charging.
No idea how it went flat as the battery on this lasts a long time assuming the screen isn't on. When it boots properly I'll have a look at what the most recent apps I installed were as it has only done this once. Before this it has been perfect for the three weeks I've had it.
Click to expand...
Click to collapse
This is the infamous Sleep-Of-Death issue that is randomly experienced by myself and other users here, usually happens when WiFi bugs out due to weak signal
TeeeJaay said:
This is the infamous Sleep-Of-Death issue that is randomly experienced by myself and other users here, usually happens when WiFi bugs out due to weak signal
Click to expand...
Click to collapse
hhmmm, interesting.
I was having trouble with wifi just before this happened. Both my GS2 and this have been claiming to connect to my wifi but aren't actually getting an IP address from it.
I can't remember if it was last night or the night before but I manually set an IP address, the signal strength is fine as my abode isn't very big.
After it has recharged I'll have a poke and see what I can find, thanks for the reply.
So my device seems to be working fine again. It had gone SO flat that the date and time were incorrect!
After I could power it on I had a look at Better Battery Stats and nothing looked wrong so I have no idea what happened. None of the apps I'd installed the day before it played up had long wakelocks and weren't running when I turned it off.
For reference they were:
My Tracks
MyTrails
Google Earth
AndSMB
I'd turned both of the GPS tracking devices off before I turned it off for the night.
It hasn't played up since but it hasn't been long so I'll see what happens.
Yeah, the sleep of death is incredibly annoying. Honestly, the GTab 7.7 is a **** device. Samsung made way too many mistakes and won't do anything to fix it.
A similar thing happens to me every once in awhile. The way i check to make sure everything alright is to see if it boots into download mode. I just leave it plugged in for a couple hours and it eventually comes back on.
someth1ng said:
Yeah, the sleep of death is incredibly annoying. Honestly, the GTab 7.7 is a **** device. Samsung made way too many mistakes and won't do anything to fix it.
Click to expand...
Click to collapse
this is why my 7.7 is the last tablet/phone from Samsung i'll never trust them they are just bombarding the market with new devices and leaving the old ones to dust
^thats what I thought too but that gs4 is really tempting. I've heard worse about HTC in that regard anyways so that why I'm not going with the one.
Finally.. i bought Sony xperia Z.
I'll sell my galaxy tab 7.7. I.m very disappointed with samsung.
Sent From XPERIA Z
kishd said:
I think your tab just ran out of juice and the battery's protection circuit has kicked in. Try taking it to an electronic shop and plugging in different chargers preferably one with an output more than 2.1 amps to kickstart the charging. Plug it in and wait till the charging animation starts.
Sent from my GT-P6800 using xda premium
Click to expand...
Click to collapse
Unbelievable! ... this trick still works ... thank you very much for you help ...
^^ yo, this 'trickle charge' trick did NOT work on my (long) dead P6800... any other suggestions??
Quite strange because my Samsung GT-P6800 tablet was fully charged, it went completely blank dark as if it was off. To my amazement, SMS keeps dropping and calls kept coming in. Yet it is still as blank as though the tab was off. I pressed the power button and the volume up bottom for it to reboot. It rebooted without the screen coming up. It has been blank for two days now. What could be the cause? And what possible solution can be given?

[Problem] HTC Inspire will not work at all HELP!!

Hey all, I just got through with this hurricane sandy business and now I find my phone not working at all. First off I'd like to say that there is no water damage to this phone and it is NOT rooted. The problem is that it just won't turn on at all, and won't charge when I try to charge the device. The day before I charged the phone and it worked fine. I can provide more details if needed but I need to find a solution to this.
Did it run down on battery completely before it did this? You might need to charge it for a bit before it turns on. Also, see if you can get your hands on a spare battery to see if it's the battery's problem. I would also try removing the battery and putting it back just to make sure it wasn't jostled loose.
bananagranola said:
Did it run down on battery completely before it did this? You might need to charge it for a bit before it turns on. Also, see if you can get your hands on a spare battery to see if it's the battery's problem. I would also try removing the battery and putting it back just to make sure it wasn't jostled loose.
Click to expand...
Click to collapse
Two days ago I completely let the battery drain on its own because it was draining faster than usual and I was using it very minimally due to the lack of phone signal during the power outage. And yesterday I charged it until it was 100% in the morning and at night I charged it again until 100%. Before I went to bed, I turned off my phone and it was 90% and when I turned it on in the morning it was at 77% (which I thought was weird since the phone was not even on). Now the phone will not work at all. I took the battery out and everything. I even tried turning the phone on while trying to charge it (but it would not charge). The only feedback I got was that it vibrated when I tried turning it on this afternoon and after that was nothing. (it would either get stuck at the AT&T bootup part or I would get no display at all)
mpvsuperstar said:
Two days ago I completely let the battery drain on its own because it was draining faster than usual and I was using it very minimally due to the lack of phone signal during the power outage. And yesterday I charged it until it was 100% in the morning and at night I charged it again until 100%. Before I went to bed, I turned off my phone and it was 90% and when I turned it on in the morning it was at 77% (which I thought was weird since the phone was not even on). Now the phone will not work at all. I took the battery out and everything. I even tried turning the phone on while trying to charge it (but it would not charge). The only feedback I got was that it vibrated when I tried turning it on this afternoon and after that was nothing. (it would either get stuck at the AT&T bootup part or I would get no display at all)
Click to expand...
Click to collapse
And nothing happened to it in between at all? That's very odd. The only thing I can think of to try is another battery.
Please post all questions in the Q & A section. Thanks! Thread moved.
Sent from my Galaxy Nexus using Tapatalk 2
bananagranola said:
And nothing happened to it in between at all? That's very odd. The only thing I can think of to try is another battery.
Click to expand...
Click to collapse
Nothing I can think of. It was fully charged by 9PM the other night and shut off before I went to bed. Next morning the batter is nearly halfway drained for no apparent reason. I think I will get another battery to test.
Also I let the battery sit out of the phone for a few days now and the phone still does not work.
Niavaran
mpvsuperstar said:
Nothing I can think of. It was fully charged by 9PM the other night and shut off before I went to bed. Next morning the batter is nearly halfway drained for no apparent reason. I think I will get another battery to test.
Also I let the battery sit out of the phone for a few days now and the phone still does not work.
Click to expand...
Click to collapse
***
Get a hold of a charged battery, then after 1 hour with no battery in the device, replace the battery remove the SD-Card and the SIM-Card, replace all covers. Reboot your PC and go to firewall tab in the control panel and turn of your firewalls, then reboot your PC, then using USB data cable not a charging cable.. with your device being OFF conect to a USB connection in the back of your PC, if it's a laptop use the one next to the intranet connection. Then wait about 1min. If nothing happwned, hold the volume down button then press and release the power button. if nothing happened, hold the volume up then press and release the power button. If nothing happened do the samething this time by holding both up and down volume buttons. If nothing happened with your device connected to the PC go to MY Computer tab right click on C>Properties then go to tools click on check disc tab check mark both options then restart your PC. Before windows tour OS starts, your PC will go through a self check. let it do its thing. it takes a couple of hours. then after its down check to see if it has seen your device. if not then do procedures above once again. GOOD LUCK.
PHP:
Okay so I finally got it to turn on but in order to charge it, the phone must be turned off for some reason. Also, the touch screen is not working, even after I did a hard reset and erased all my data. I'm not sure if it is a hardware issue or a software issue because the display is working fine.
lobig
mpvsuperstar said:
Okay so I finally got it to turn on but in order to charge it, the phone must be turned off for some reason. Also, the touch screen is not working, even after I did a hard reset and erased all my data. I'm not sure if it is a hardware issue or a software issue because the display is working fine.
Click to expand...
Click to collapse
That same thing happened to a friend of mine. She took it to a technician tho and they sorted it out for her.
Hello every one, this just my first post here, but I have been follow the forum very very close since some days ago thanks to Mustaavalkosta and his new CyanogenMod Rom here:http://forum.xda-developers.com/showthread.php?t=2533007&page=283.
I am having a similar problem with my HTC Inspire, here is my story. I bought it like it a year ago, the first thing I do was to rooted with AAHK and install CyanoyenMod cm-7-20130301-NIGHTLY-ace. Everything works just fine till a couple of months ago. One night I just leave my Inspire and go to sleep, the next morning I wasn't able to turn on, not charging, not turn on. Was not the battery because my brother has another Inspire and I check with his battery. I just leave the phone without the battery and Sim and SD for a day and them come back again, but at next day the same occurs. I try all that time, vol down+power. voldown+volup, every convination but nothing works. So I decide to dissensambly my phone... in the process I broke the ribbon flex cable http://www.ebay.com/itm/OEM-HTC-Desire-HD-Inspire-4G-Camera-Socket-Keypad-Membrane-PBC-Ribbon-Flex-Cable-/320925341841?pt=US_Cell_Phone_Replacement_Parts_Tools&hash=item4ab8a41891 The phone was in parts on my table like a month till I was able to buy and recieve the ribbon (I live in Colombia). Finally the ribbon arrives 3 days ago, so I assembled the phone again and...magic! the phone turns on. My next step was install the Mustaavalkosta Rom that I mentioned before.... but, yesterday, my phone was dead again. So a try all steps again, put out the battery, Sim and Sd... and again try all the combinations of buttons, but nothing works... So I do it again: dissensably again my phone: Only disconnecting the display doesn't works... I have to disconect the display and the ribbon cable, assembled again and just turn on again.... Now I am waiting for the next black out...
I know is a weird behavior, but may be some one can point me in some direction to fix it.. I am not a developer or anything like that, but I like to investigate and solve problems... any help will be wonderful.
Cheers!
PD: I dont have any apps installed, just trying the Rom as it is.
PD: The next time it happens I will try the niavaran advises.

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