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Found 5 results

  1. Hi, i got black screen after i closed my tablet from android os to charge it a few hours and now it's black screen, no logo or anything on screen. i chearched on google and the forum but no awnser, only many peoples with same problem but no solution. i have tried a keyboard usnb otg but my otg cable suck and only able to restart the tablet with alt-tab (all other key do nothing on screen) still black screen. i got a micro usb 32gb key if this could help. if any other detail is needed to help just tell me. ps: sorry if my english is not great.
  2. when i leave tablet to idle without touching it for long time ... screen go off and i think system freeze then i can't turn screen on again !!! i have to force turn off then turn it on again this happen most of the time i can't diagnose the problem coz i can't see what is happening i checked event viewer i see an error cased by loosing power or not turned off correctly with time and date when i'm doing a force restarting !!! this means the tablet was working fine and it detected the force restarting but screen wont turn on I tried to install all drivers updated and outdated ... i think the main reason is intel dynamic platform &thermal framework drivers thank you
  3. Well, I never thought I would say this but it seems I have to declare my v989 v4 tablet DEAD! I would greatly appreciate if somebody else who has experienced something like this gave a clue or two. Here is what happened: I have an Onda v989 v4 tablet with the custom "Onda z rom" (provided by ardpat - not the lolipop version) installed. While surfing the web, using chrome, my screen went black, tablet shut off and wouldn't boot at all. After several unsuccesfull tries to revive it I tried to get into recovery mode without success. I tried to connect it via usb cable to my pc but it wasn't recognized at all. I decided to install a stock or/and custom rom via onda suite and phoenix suite but tablet was never recognized by either of them. I even tried to install a rom using an sd card but with no result at all. During all the above mentioned procedures the screen was always black. Since my tablet had earlier crush issues when battery reached a certain amount of battery power (55%-75%), that were solved using the method provided by timox ("disconnect the power cable wich is connected to the battery and wait for some time before reconnecting it"), I decided to open the back cover and check again the battery connections, but everything seemed in place. I removed the battery cable, waited for a minute and reconnected it, but tablet did not boot.However there is some strange behaviour. As soon as I press the power button the mainboard (motherboard) of the tablet is heating indicating that power from the battery is running to it. In addition as soon as I press the power button for ten seconds tablets mainboard coolls off in a minute or two indicating that it is turned off. I then gave the tablet to an electrician to check it. He did some tests and told me that mainboard had a problem and propably it needs to be replaced. He said that some chips where dragging more power than the appropriate resulting in a malfunction. I am not an electrician therefore I don't know if he is telling me the truth and mainboard is the problem or he's trying to make some easy bucks. Has anyone of you had this problem before? In any case do you know where can I find a mainboard for my v989 tablet?
  4. Hi everybody! I'm new to Onda but have bunch of Android based devices at home. Just got my new 975m. Turned on - it had 98% charge. Booted up. Connected to my home WiFi. Registered at this forum and... And screen went black with some dots at the very top row blinking... Turned it off by pressing and holding power button. Rebooted - the same thing... So, what is the cure? How can I do hard reset? Thanks in advance!
  5. Hello to everyone. I need a little help. I tried to upgrade my onda v975m with boot failed because it didn't find any files in the sd card. So i chose the reboot option and pull out the sd card to load again the files. After that i putted back the card but now i cannot make the upgrade. I push the two buttons and nothing happens. Can someone help me to manage and fix the tablet? /thank you in advance.