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Arnova 7 G2 - odd touch issues

glossywhite

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2012/10/22 - 19:44

Bought an Arnova 7 G2 from eBay. The guy said touchscreen didn't work, but now I've flashed "kasty-ez_arn7g2-40-043-1_5G.zip" update.img to it, and it boots up... but the touchscreen is erratic, and as usually is the case, the [ [OK] ] button won't allow me to press it after then initial screen calibration. But then, sometimes, the screen will allow me to swipe around BUT not click icons... but I CAN click the app drawer icon. Is there any reset I can do (I've already done a full wipe from ICS menu using a USB mouse for navigation). Do I need to REMOVE OTG USB mouse when calibrating? Etc etc...

SO bizarre! Any ideas you lovely people?

Thank you

glossywhite

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2012/10/24 - 17:34

... and there was me, thinking you guys were the experts on all this stuff.

exelletor

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2012/10/24 - 18:02

The only thing you can try is doing restore(using not upgrade, but restore button) with RKBatchTools and not having anything plugged-in when the unit restarts(UTG mouse, power connector etc). And don't tocuh the screen when it is calibrating.

If it won't help, you will be better off with offering it for repair.

glossywhite

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2012/10/24 - 18:22

exelletor said
The only thing you can try is doing restore(using not upgrade, but restore button) with RKBatchTools and not having anything plugged-in when the unit restarts(UTG mouse, power connector etc). And don't tocuh the screen when it is calibrating.

If it won't help, you will be better off with offering it for repair.

I understand... but capacitive screens don't NEED calibrating, so why are Archos putting the calibration tool into the capacitive models also? It just seems to mess everything up.

Thank you for your kind reply

exelletor

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2012/10/24 - 19:34

Capacitive screens need calibrating, just you don´t need to touch the screen on five different points like you would do on the resistive.

glossywhite

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2012/10/24 - 20:25

Really? So how come NONE of my other capacitive screened Android phones OR tablets have ever needed it? :/

I think Archos' quality control needs calibrating VERY BADLY!!

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2012/10/24 - 20:36

I've seen calibration on other capacitive screens, but most devices don't have it I agree.

Only Archos/Arnova can answer why they choosed to have in the start up wizard.

On some custom firmwares like the Arnova 10b G3 cfw do not have the wizard on the first boot, so no calibration and it works fine... mostly. It sometimes happens (I don't know under which circumstances) that with this custom firmware on that device the touchscreen doesn't get inputs anymore. The only remedy I found so far is to reflash the stock firmware with the calibration, then I can reflash the custom firmware... not very handy. Confused

Cheers.

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