Hello,
Excuse my english, but i'm french.
I have a tablet A501.
An update was proposed to me last week (probably ICS), so I launch it (Over the air, with wifi, connected to an outlet).
Then my tablet would not start any more once finished. so I put a paperclip in the "reset". Because it did not matter, I pressed it with "power".
The tablet is now on apx mode, but usb debug is disabled, with black screen, without cpuid.
I tried to unzip the firmware on the sdcard and make the volume "-" and power. No reaction.
When I press power, the power button turns on or turns off (white backlit power button or not), but the screen is black and there is no vibration.
What to do?
Thank you for your help!
Related
Hello all,
My mother got an a500 about seven months ago and the other day she put it to charge and the next day it wouldn't turn on at all, just a black screen. When the charger is plugged in, the power button glows white. Take it off charge and the light goes out and that's all it will do.
I have tried searching through multiple forums and I have tried all the solutions I have found. I tried pressing the reset button near the usb plug, I tried a hard reset by holding the power and volume + buttons multiple ways, i.e. I held them both for thirty seconds, held the vol button and pressed power for three seconds and about every other iteration I could find. Nothing happened not even a vibration like from what I've read it is supposed to do. I downloaded the update.acer.zip file and put it on an sd card and tried flashing it by holding the power and vol - buttons, still nothing.
The tab has not been moded in any way, however, God only knows what apps my mother way have downloaded to it...
I am at my wits end and I don't know if I'm doing something wrong or what. Any help would be greatly appreciated. I am a noob so it wouldn't surprise me if I am not doing the flashing right or if I have the wrong files, all the links I found on the forums were non functional and I had to download it from filecorp.com.
Thanks in advance!
Core645 said:
Hello all,
My mother got an a500 about seven months ago and the other day she put it to charge and the next day it wouldn't turn on at all, just a black screen. When the charger is plugged in, the power button glows white. Take it off charge and the light goes out and that's all it will do.
I have tried searching through multiple forums and I have tried all the solutions I have found. I tried pressing the reset button near the usb plug, I tried a hard reset by holding the power and volume + buttons multiple ways, i.e. I held them both for thirty seconds, held the vol button and pressed power for three seconds and about every other iteration I could find. Nothing happened not even a vibration like from what I've read it is supposed to do. I downloaded the update.acer.zip file and put it on an sd card and tried flashing it by holding the power and vol - buttons, still nothing.
The tab has not been moded in any way, however, God only knows what apps my mother way have downloaded to it...
Click to expand...
Click to collapse
The white light when plugged to the charger just indicates it's fully charged.
Test 1. Press and hold the PWR button for 7 seconds, release, wait a couple seconds to see if it responds, then press and hold for another 7 seconds. See if it responds.This is to check if the tab is in Sleep of Death (SOD)
Test 2. Using a paper clip, press and hold the pinhole reset (near USB) and then press and hold PWR. After 4 seconds release PWR, 1 second later release pinhole. See if is vibrates and goes into APX mode, (tab should vibrate once with a black screen and white PWR button) if it does, press and hold PWR only for a few seconds. Wait a couple seconds, then PWR on tab by holding PWR about 6 or 7 seconds.
Test 2 is just to see if the tab responds to anything,
If you can't get any response from the above, then it's best to turn it in for repair.
MD
@Moscow Desire: he pressed the reset button already so it is probably not SoD. Unless SoD makes reset button unresponsive too.
My tab does not vibrate when entering APX mode at all. Only the white power button LED turns on and the screen stays off.
@Core645: try this at first
- disconnect charger so the LED turns off
- hold power button for about 5 seconds
If the power button LED turns white and nothing else is happening then your tab is stuck in APX mode. You can confirm this by connecting micro USB cable from your PC. If you have windows it'll ask for drivers for Nvidia Download Mode or something like that.
Then check what Moscow Desire suggests with the reset button. I only ask you do my check at first because by holding reset you would achieve the same result and you wouldn't know if it is stuck in APX or you just forced it to APX by holding reset button.
Hi
I just got iconia a500 but it won't boot. When i press power button, the button lights white but the screen stays black, and after a second or two it just vibrates and the power button lights turns off.
I tried to do the hard reset but it doesn't work.
I tried to enter apx mode, but when i hold power and reset buttons the computer recognizes it and as i release the buttons it disconnects from pc.
No matter whad i do, the screen is black...
Is there something else i can do? I bought it used from cowboom and i didn't test it, now i can't return it because the 15 days has passed :crying:
Tnx
elvirr said:
Hi
I just got iconia a500 but it won't boot. When i press power button, the button lights white but the screen stays black, and after a second or two it just vibrates and the power button lights turns off.
I tried to do the hard reset but it doesn't work.
I tried to enter apx mode, but when i hold power and reset buttons the computer recognizes it and as i release the buttons it disconnects from pc.
No matter whad i do, the screen is black...
Is there something else i can do? I bought it used from cowboom and i didn't test it, now i can't return it because the 15 days has passed :crying:
Tnx
Click to expand...
Click to collapse
Have you tried connecting from different USB ports? I've heard people struggle with front facing USB ports due to their low power? Anyways, try the ones directly connected to your motherboard.
elvirr said:
Hi
I tried to enter apx mode, but when i...
hold power and reset buttons the computer recognizes it and as i release the buttons it disconnects from pc.
Tnx
Click to expand...
Click to collapse
You shouldn't be connected to the pc while entering apx mode. Enter apx first then connect.
As for being stuck on the black screen...There are hundreds of threads regarding this.
Read the cpuid guide and the root guide in my sig, post there if u need further help
dibb
Sent from my GT-I9300 using Tapatalk 4 Beta
Ok, i will try and post the results
Tnx
I have installed drives, tried other usb ports but it's the same.
A500manager detects the tablet and after second i hear the sound like when you disconnect the device.
The problem is that it won't stay in apx mode.
My A3 doesn't "wake up" from stand-by.
If I reset it keeping pressed power up button, it correctly reboots, I can see all boot process and it correctly reachs the starting home page.
If I keep touching screen, open apps, navigate from various menu all works fine. But when I leave it without pressing any button/screen for 10/15 sec (display power off delay) the screen correctly goes black, but there's no way to wake up it again although it seems working. The A3 "under" works because plugging to AC Adapter beeps the sound of charging in progress, PC (Kies or SmartSwitch) detect it correctly; only the screen remains black.
I already tried to wipe and even reflashed last firware with Odin but with no luck.
Is there anything else that I can try (except send it to repair center...)?
Thanks in adv
JYD
P.S. When I call It from another phone, it rings but the LCD remains black and doesn't respond clicking vol +, vol - and home buttons
P.S. 2 Thinks become "funny": Home button, vol + & vol - don't work at all. Power button powers off display, but long pressing it, doesn't pop up power off/reboot menu. Softkeys don't work.
Sounds like SoD. Try installing the app "Wake Lock" and choose the PARTIAL_WAKE_LOCK option.
Ok, apparently there is no recovery mode for the device or any other similar unbranded devices. The only way to fix firmware or any other issues is to flash it directly using the sequence below, especially if you don't have physical buttons. Make sure you have the firmware in a usb drive directly plugged in without extension cable, or using sd card slot.
Turn off the power to the HU, then press reset button, and keep it pressed. Then turn on the power, the illumination should remain dark at this moment due to the reset button is still pressed. After 3 secs, release the reset button, and immediately when the HU start to illuminates, turn off the power, then turn it back on in quick succession. The screen should show start update, and the progress will be shown on the screen.
You don't need to take the device out from your car. Just turn the key slightly, no need to turn on the ignition, to turn the power on.
Hope it helps somebody.
Hi guys,
Any idea how to enter recovery mode with this hu? It does not have physical buttons. Pressing reset button for few seconds did nothing. Thx in advance.
Hello guys,
Hope someone is able to help here.
I got Yotaphone 2 YD206 to my hands. It has problem with front screen staying always black. Rear screen says "Turn over the phone to set up". Cannot do it as front screen is always black.
Volume buttons work and power too. Also the phone rings if someone calls me. I can shut down long-pressing power button but device always restarts. I cannot enter download neither recovery mode. Power + VOL down or power + VOL up always reboots the device back to "Turn over the phone set up" -screen (text in rear screen).
I have flasher and Lollipop firmware files. But flasher says <waiting for device>. For me it seems issue with drivers. I have tried several usb drivers (WIN10 laptop) but still no luck. ADB devices command doesn't show any devices connected.
Any ideas? I believe someone might have a trick I have tried yet.
Thanks in advance!
Edit. After fighting hours and hours with flashing I decided to open the phone and found it was just simple hardware issue. LCD flex was disconnected...put it back and phone is alive.