Since upgrading to 8.1 I can't get a proper USB connection to my M8. I've tried uninstalling all signs of any related drivers but the flashing tool stills fails to connect.
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I've been reading that Windows 8.1 doesn't support the current Rockchip drivers. Still no solution available, as far as I know. When the new drivers appear, we'll include them in our ROM kits.
In the meantime, you might try to find an old box laying around with XP-Win7 to flash from.Randy
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Also got this problem now, cant flash any roms,
was reading this thread, but cant really work out what he did etc
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Found these steps over at XDA Forum
Hello All,
I found these steps over at XDA Forum ...
QuoteOk. Temporary workaround for windows 8.1 users until we get the drivers.Original Link :- Connect your device to the computer in flash mode. The computer will say “USB Device Not Recognized”. Go to Device Manager and you will see your device listed as “Unknown USB Device (Device Descriptor Request Failed)” in “Universal Serial Bus controllers” section
- Now in “Universal Serial Bus controllers” section you should also have “USB Root Hub”’s (might be several of them). Click through them and find the one that has “Unknown USB Device (Device Descriptor Request Failed)” in the “Power” tab (should be next to General).
- Right click on that “USB Root Hub” and press “Disable”. Now you should have a small arrow pointing down on the USB Root Hub icon and the “Unknown USB Device (Device Descriptor Request Failed)” should have disappeared.
- Now you have to go to the folder where the RKBatchTool is located on your system. Find the file "config.ini" and open it. Find the section where it says:
LOGFLAG=TRUE
#SUPPORTLOWUSB=TRUE时,扫描支持full speed usb设备，默认只支持high speed usb设备
SUPPORTLOWUSB=
Write TRUE next to the second “SUPPORTLOWUSB=”
It should be like this:
LOGFLAG=TRUE
#SUPPORTLOWUSB=TRUE时,扫描支持full speed usb设备，默认只支持high speed usb设备
SUPPORTLOWUSB=TRUE
Save the file and open the RKBatchTool as usual and you should see the green square in Connected Devices.
Now you will be able to flash the rom. The flashing process might take longer than usual but it works.
P.S: If you have never previously installed Rockchip drivers on your system you might need to do those steps before doing the ones above:
1) First you need do reboot windows with driver signature disabled: configure->change pc settings-> update & recovery -> recovery-> advanced startup -> troubleshoot -> advanced options -> restart -> 7
Good Luck and Lets us know if anyone gets it working ...
Sorry But I am Still a XP guy ..
Keep Us posted ...
Michael T.
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Is it possible to install Win 8 on pipo M9??Comment
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Windows 8.1
Currently...no you can't run Windows on a Pipo tablet.
RandyRandy
Freaktab Developer, Product Reviewer, Moderator and "Flashaholic".
Read my BIO Here
Be sure to donate to support Freaktab.com. If any of my development work makes a positive difference for you, please make a donation to support future RileyROM's.
Donate hereComment
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AW: Windows 8.1
Hey,
Yesterday i found a new rockchip driver for win8.1 - didn't try it myself atm.
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Link doesn't load for me. If it is the same one released claiming to be v3.7, then they do not work anyway. The details of those drivers were misleading. They claim to work for Windows 8.1, but then in the same text, they ask people to verify whether it works or not for 8.1 and to contact them indicating such. After scanning for viruses and finding nothing, I tried them and they didn't work. So we are still in the dark, unless someone finds/makes a better way.Originally posted by CiR3 View PostComment
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Originally posted by michael2t View PostHello All,
I found these steps over at XDA Forum ...
QuoteOk. Temporary workaround for windows 8.1 users until we get the drivers.Original Link :- Connect your device to the computer in flash mode. The computer will say “USB Device Not Recognized”. Go to Device Manager and you will see your device listed as “Unknown USB Device (Device Descriptor Request Failed)” in “Universal Serial Bus controllers” section
- Now in “Universal Serial Bus controllers” section you should also have “USB Root Hub”’s (might be several of them). Click through them and find the one that has “Unknown USB Device (Device Descriptor Request Failed)” in the “Power” tab (should be next to General).
- Right click on that “USB Root Hub” and press “Disable”. Now you should have a small arrow pointing down on the USB Root Hub icon and the “Unknown USB Device (Device Descriptor Request Failed)” should have disappeared.
- Now you have to go to the folder where the RKBatchTool is located on your system. Find the file "config.ini" and open it. Find the section where it says:
LOGFLAG=TRUE
#SUPPORTLOWUSB=TRUE时,扫描支持full speed usb设备，默认只支持high speed usb设备
SUPPORTLOWUSB=
Write TRUE next to the second “SUPPORTLOWUSB=”
It should be like this:
LOGFLAG=TRUE
#SUPPORTLOWUSB=TRUE时,扫描支持full speed usb设备，默认只支持high speed usb设备
SUPPORTLOWUSB=TRUE
Save the file and open the RKBatchTool as usual and you should see the green square in Connected Devices.
Now you will be able to flash the rom. The flashing process might take longer than usual but it works.
P.S: If you have never previously installed Rockchip drivers on your system you might need to do those steps before doing the ones above:
1) First you need do reboot windows with driver signature disabled: configure->change pc settings-> update & recovery -> recovery-> advanced startup -> troubleshoot -> advanced options -> restart -> 7
Good Luck and Lets us know if anyone gets it working ...
Sorry But I am Still a XP guy ..
Keep Us posted ...
Michael T.
I have seen these steps posted a few different places now. I tried for well over an hour yesterday to reproduce these steps. Restarting, deleting drivers, making sure Windows doesn't complain about unsigned drivers, etc. Nothing worked. Fortunately I have a Win 7 comp to fall back on, but seems like a waste for something that should just work... (given that it did in pre-8.1 versions of 8).
Someone indicated in another forum (I don't recall or have the link handy) that in 8.1, MS rewrote the USB stack which effectively broke a lot of older drivers. I assume it was rewritten for efficiency/speed reasons, but not worth it if it breaks everything!Comment
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AW: Windows 8.1
@whatisit
For sure it will be same driver. I thought i'd share, with a little luck it could have been the right one. Anyway, thanks for your explanation.Comment
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Still no fix?Comment
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i found this, but it works for me something wrong
rockusb3.7
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Originally posted by hup View Post
and, once tried does not work, only when change mtp x ptp if, but beware, when you restart not recognized and brick .....
just another computer with w7 can solve, so better not do anything with these drivers
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sorry my ingles
video
CORRECT VIEW
w8.1 solution at the end
connect the tablet and usb debugging enabled and in storage, give up small buttons
and in connection to the computer usb: change to Camera (PTP) this can be done from tab usb lsa reporting and multimedia device.
PC
administration devices now no longer mark error now see putting
class for rockusb .....
? Rockusb device
ok, then open it and update drivers and manually looking at the 3.7 disk
x64 or x86 and w8 and version 3.70 (05/08/2013) update now appear
already!
__________________________________________________ ___________________________
solucion al final w8.1
conectar la tablet y depuracion usb habilitada y en almacenamiento, damos botones pequeños arriba
y en conexion usb al ordenador: cambiamos a cámara (PTP) esto se puede hacer desde lsa pestaña que informa del usb y dispositivo multimedia.
PC
ahora en administración dispositivos ya no marcara error, ahora veremos que pone
class for rockusb.....
?Rockusb device
ok, pues lo abrimos y actualizamos drivers y manualmente, buscamos en disco la 3.7
x64 o x86 y w8 y aparecerá la versión de 3.70 (5/08/2013) ahora actualizara
ya esta!!!Comment
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