I had tried using khadas official power adapter that supplies 5V3A to 9V2.67A to 12V2A (usbC to usbC cable) vim3 pro doesn’t power on at all?
@giriraj7 Record a video of you plugging in the 12V official power supply, let’s see what the state of the board is
i have made videos, but how do i upload them?
These are the links to videos! Hope these clarify everything!
https://drive.google.com/file/d/1VgrkHVKWTQjoLErMV-QMvv47CKnwtDip/view?usp=sharing
https://drive.google.com/file/d/1vvZg4G8_XtGcuwPn13PTysjaMYDrYuvu/view?usp=sharing
Please check the links i posted! I have already tested official khadas power adapter and usbC to usbC cable with usb tester, they are fine! I have even tried other usb c power adapter (came with my portable 4k touch display) 30W again 12V with power delivery with it’s own usbC to usbC cable, again vim3 doesn’t power on and display works fine with it?
New update: I tested Vim3 pro again with my 4K portable display and power bank!
This is what happens when vim3 pro is connected to power bank usbC port with usbC to UsbC cable!
Now this is what happens when i connect vim3 pro to power bank using usbA to usbC cable!
Please note that now i am using official android 9 pi rom from khadas server!
Again, no touchscreen input, keyboard, mouse or usb pen drives working? Also, you can notice
usb voltage on usb tester? I have never seen such low usb voltage before?
I have used vim3 pro like this before (with power bank and my portable 4K display) since last six months flawlessly even with usb pen drives or usb hdd (Power bank can output 30W power with power delivery) and watched 4K HDR 60Hz movies and videos without any problems!
But I am totally disappointed now that vim3 pro didn’t last more than six months (actual usage) and I wasted 200USD on it?
I have just checked on internet all major resellers like ameriDroid offer one year warranty on purchase of vim3 pro, but i purchased directly from Khadas,
can i get my product replaced under warranty? I am attaching purchase order receipt!
Sorry, that was because of an unknown setting! I fixed that now! Please try opening the links now! Have you seen the photos?
Your meter shows 4.68 Volts.
Why is it so low?
Hello @giriraj7
In order to check hardware, please help to do the steps below and feedback the results:
- Flash our Android Pie official image from server
- Supply the power with our official USB Type-C PD adaptor
- Attach the USB tester to the USB host
- Shot a video about the power supply
Thanks.
These are the links to videos! Hope these clarify everything!
https://drive.google.com/file/d/1VgrkHVKWTQjoLErMV-QMvv47CKnwtDip/view?usp=sharing
https://drive.google.com/file/d/1vvZg4G8_XtGcuwPn13PTysjaMYDrYuvu/view?usp=sharing
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I already did all the steps you mentioned! Check
the first video of two videos I posted? Vim3 pro
doesn’t power on at all with official power adapter, no matter what operating system (even krescue) I use on it? It only powers on with usbA to usbC cable, that too with USB ports undervolted, also see the photos above?
New update: i found this post on this forum, this user is having exactly same issue that happened exactly the same way it happened with me?
New update: i found this post on this forum, this user is having exactly same issue that happened exactly the same way it happened with me?
Does this help to know if this is a hardware or software issue?
Hi, mine is an unresolved kernel issue. It is software, but my USBs work until I plug the touchscreen. Do yours?
Mine is hardware! USB ports doesn’t work no matter what I do? (See photos and videos above) But it all started the same way as yours!
Since, I upgraded to android 12 aosp from khadas server, not only USB ports doesn’t work anymore, but vim3 pro also fails to power on with any usbC adapter and usbC to usbC cable? It only powers on with usbA to usbC cable? Have any idea what caused all this?