Flashing red light? - Xoom Q&A, Help & Troubleshooting

while my xoom is off.....a red light flashes next to the front facing camera. I'm on the latest tiamat. When I boot up it all goes away

Hold the power long enough and it will boot if you don't hold it long enough it will flash red
sent from my Motorola XOOM

I think the LED is called the 'Security' LED, though not really sure what it means when it blinks. As Cesar said, most (if not all) get the LED to blink if you don't hold the power button in long enough when trying to boot it. Interestingly, before the 3.1 update it would blink 3 times for me if I didn't hold the power button long enough. Now it only blinks once.
Does yours blink constantly while the xoom is off?

and someone off you have problem with the front-facing-camera? the red light keeps on and the image of camera crashes in diagonal stripes?

please help my xoom won't finish its loading man screen appears then back to loading screen amd the red light blinks sometimes too ..
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Related

HTC Magic bricked?

Hi all,
i'm afraid today i bricked my HTC Magic (Vodafone)
The brick happened after flashing an SPL
now, turning the phone on, it gets stuck on the Vodafone logo.
I can't get to fastboot (i tried various combinations). how much time should I keep battery off/press keys/wait for fastboot?
The only different behaviour I get is a totally black screen and a blue led on when booting by pressing end call+trackball
Do you think I really bricked it? I am desperate!
Thanks for any advice
Mauro
Me too :-(
I think I also bricked my HTC Magic too. Any help?
try taking the battery out, holding the 'back' key and putting the battery in then (if it doesn't power on automatically) while still holding the back key hold the power key down.
Yesterday I got my phone from the Vodafone store @ Groningen, Netherlands. I used it normally, installed one or two mainstream programs from the market and did nothing else to it. Yesterday @ about 20:00 the trackball lit up putting out a continous bright white light. I searched the internet for a feature that could do this because I could still use the phone. Besides the trackball there was nothing noticeably wrong with it. Because I found no such features I decided to turn the device off and on again. Once I pressed on the red button to get it on, the trackball immediately lit up. When the red button was pressed for about 3 seconds a blue led lit up at the top of the device and the screen stayed black, nothing happened. I pulled out the battery, put it in again and pushed the red button for 1 sec. The trackball, again, lit up but the blue light didn't pop up. Now when I ticked the red button the blue led would flash and go off..
The vodafone store said I was the first to bring back a HTC magic, they contacted the repairservice and they said they didn't even know the magic had a code in which the rainbow led emitted blue. They treated it as DOA and gave me a new one. This one works fine, I'm very happy with this phone but still wondering what was wrong with my last.
Anyone any guesses?
To goliahandroid
I had the same issue, it was stuck forever in the vodafone logo, and fastboot mode or recovery modes didn't work at all, no matter what combination of buttons, after an incomplete SPL update.
The only thing slightly different was keeping the trackball pushed when pressing the power button, lighted up the led light in blue, and nothing else, no logo or any other activity.
I thought it was completely bricked, but no. Here's what i did
With the phone off, connected the USB cable, then powered it up. While it was still frozen on the logo screen, i could actually issue fastboot commands, so I was able to send a fastboot boot recovery.img and flash again the SPL, and a new ROM. No problem after that.
Hope this helps someone
Start asking your questions in the right sub-forum (Q&A) (Theme) or even in (General), or i will be forced to ban you for 3 days or till you learn.
Thanks
Thread Trashed!!

Xoom is dead!

Hallo everyone,
I have a motorola Xoom wifi (mz604 i guess)... Once (almost 1 year ago) i installed the touch recovery and a ICS stock rooted rom.
It worked always fine.... today I went to check my email, and the xoom was off and i couldn't turn it on... I thought it was the battery, but when the battery is empty, when you try to turn the xoom on you see a red blinking led on the top (next to the front camera)...
But i put the xoom to charge, (the white led on the bottom went on) and when i came back home the led was green.
I tried to turn the xoom on, but surprise, nothing, no reaction, then y plugged the charger once again, and the bottom led went green, but i still can't turn the tablet on.
I tried all keys combinations that are possible.... Power + Volume up, Power + Volume down, Power + Volume Up and Down, Just volume down, Just volume Up, both volume keys...
Then i tried to connect the xoom to the PC, and also no reaction, nothing in the Device Manager.... (i have Windows 8)
Someone have an idea to solve this problem? Or is my tablet really dead?
Thank you very much.
Luinwethion said:
Hallo everyone,
I have a motorola Xoom wifi (mz604 i guess)... Once (almost 1 year ago) i installed the touch recovery and a ICS stock rooted rom.
It worked always fine.... today I went to check my email, and the xoom was off and i couldn't turn it on... I thought it was the battery, but when the battery is empty, when you try to turn the xoom on you see a red blinking led on the top (next to the front camera)...
But i put the xoom to charge, (the white led on the bottom went on) and when i came back home the led was green.
I tried to turn the xoom on, but surprise, nothing, no reaction, then y plugged the charger once again, and the bottom led went green, but i still can't turn the tablet on.
I tried all keys combinations that are possible.... Power + Volume up, Power + Volume down, Power + Volume Up and Down, Just volume down, Just volume Up, both volume keys...
Then i tried to connect the xoom to the PC, and also no reaction, nothing in the Device Manager.... (i have Windows 8)
Someone have an idea to solve this problem? Or is my tablet really dead?
Thank you very much.
Click to expand...
Click to collapse
Might sound a bit basic, but when you did the key combinations, did you hold the buttons down for 5-10 seconds? I think power plus volume up is reset button.
Ravens97 said:
Might sound a bit basic, but when you did the key combinations, did you hold the buttons down for 5-10 seconds? I think power plus volume up is reset button.
Click to expand...
Click to collapse
Yes, for more dan 30 secs....
Murderer!!! JK
.....and you're making sure to press Volume up and then Power?
Hi Luinwethion,
My Xoom is in the same state you described. It happened this morning. There is a white light while charging and a green light after some time. I didn't get any response, with any keys combination.
Have you fixed yours?
Can you send me any tip to bring it to live again?
Thanks in advance.
JP
Take the back cover off, on the bottom side of battery there are two wires-black&red- take them off the socket for 10minutes, when you connect it back again xoom should work!
Quick q: do you hear that click sound when pressing power button?
I have the same problem , my xoom went off without doing anything and it doesn't boot up!
does the disconnecting battery fix the problem ?
What rom you;
new-noob said:
Take the back cover off, on the bottom side of battery there are two wires-black&red- take them off the socket for 10minutes, when you connect it back again xoom should work!
Quick q: do you hear that click sound when pressing power button?
Click to expand...
Click to collapse
I'm in the same boat - the Xoom (USA WiFi) hung up while playing music - I rebooted it (power+up volume) it recovered, but then all the apps started crashing - I rebooted it again and it did not boot - just a blank screen. Battery light shows a charge when connected to a charger.
Does someone have instructions on how to remove the back cover?
Tom
tadiv said:
I'm in the same boat - the Xoom (USA WiFi) hung up while playing music - I rebooted it (power+up volume) it recovered, but then all the apps started crashing - I rebooted it again and it did not boot - just a blank screen. Battery light shows a charge when connected to a charger.
Does someone have instructions on how to remove the back cover?
Tom
Click to expand...
Click to collapse
It looks like the latest Google Play Services updated has dropped support for our Xoom's
Mine loads, then more GAPPS errors thank you can shake a stick it - if i let the screen time out following a forced reboot it doesnt come back on.
Gutted.

[Q] Black Screen, but phone appears to work

Hi,
Picked up a HTC one S of off a mate today who dropped it and cracked the screen. Replaced the screen for him but it's still not working. Here's symptoms and what I tried.
-black screen all the time
-phone boots, three buttons at bottom lit up, LED flashes green and if I call him the phone vibrates
-if I hold down the power and volume buttons down, once the home lights have flashed 15 times I see a few lines of flicker for a fraction of a second on the screen and then nothing.
-Touchscreen appears to work as it vibrates when touching it (and I'm inputting text presumably?)
-He hadn't customised/flashed any other ROM on there.
Can someone perhaps shed light on next steps for troubleshooting?
Thanks
Tobias

TF700 Issue

Hey guys, I have a problem with my TF700
First of all my TF700 is rooted, but I didn't change the ROM or any of those advanced stuff.
My TF700 has a black screen problem...When I hit the power button the screen comes on but its black...as in the light is on but its a dim black light, you can't see anything but I can tell the tablet is on. When I press the power button again the dim light comes off.
When I try pressing the power button and the volume down button or any of those combinations the tablet just vibrates and turns off and the dim light comes back on with no display. I don't see any of the things that usually comes on when you press those combinations in order to cold boot the device.
When I plug in the charger, the charger light is green indicating that it is fully charged.
When I plug it in to my computer it says installation of driver failed, and it says no APX driver found.
Can someone help me please?
Get a proper HDMI cable and connect it to your TV's HDMI port and see if that will at least let you see what's going on.

Zte concord 2 hard bricked and cant get into recovery

Every time i try to charge my phone with the battery it starts blinking red for a while before turning soild red.
tried pluging into pc phone will show the mertopcs logo for 3 seconds then screen goes black,tried holding volume up key to get into bootloader, merto logo comes up for half a second before screen goes black, did this guide androidforums.com/threads/htc-evo-4g-unbrick-guide-hard-brick-only-wont-turn-on-or-charge.456048 still wont work dose not seem the phone will even charge at this point just a black screen with solid red light help

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