I bought an acer iconia tab a200 off of a friend who hasnt used it in a year. she couldnt remember the pattern lock that she put on it so it locked up saying too many pattern. I went online to see if there is a way to reset it to get to use it. I did a factory reset and it didnt work.the tablet keeps displaying an android on his back with a red exclamation point triangle coming out of it after doing a factory reset.
SOURCE: My ACER tablet (ICONIA
Hi,
Welcome to Fixya. I would like to know if the wifi works before? If the laptop was able to detect and connect to a wireless signal and the Iconia won't you can check the warranty of the Iconia and call acer and they will be able to replace the unit. This is a common issue with Iconia that some of the device has a hardware wifi defect. You can also refer to the link below and see what happen with their Iconia and was able to talk to acer for a replacement.
Iconia Forum
Thanks
SOURCE: how do i enable cookies on an android tablet?
There is no need to enable the cookies in any browser whether its a android tablet or computer because the cookies is enable by default.
SOURCE: too many pattern attempts acer iconia a100
mine a200 ..maybe it would workout the same on a100.. try hard reset to factory default.. follow this video tutorial http://www.youtube.com/watch?v=_k9HYj93zHc
SOURCE: my acer iconia tab A100 does not power up fully
I have an acer iconia a100.... IIf your touch screen is un-responsive as well, it could be that you need a new LCD screen. That was the problem with mine. Thankfully I was still under warranty so Acer has covered the cost of fixing this. (Otherwise it would have made more sense to just buy a new one.)
Acer A510 Tablet, Forgot Password - This is from a Acer Tech and it works for this Model, good chance its the same for most Acer Tablets.
While OFF, Hold the POWER ON button in while also Holding the VOLUME BUTTON down at the same time and then slide the SCREEN ROTATION LOCK BUTTON back and forth about 20 times, then let go off all buttons and wait about a minute, don't touch anything during this period, it will then come back on, now is a good time to go to settings and
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