This article provides the information on "Why the Chromebook-11 3120 or Chromebook-13 7310 will not charge/power on".
Dell has received reports that the Chromebook-11 3120 or Chromebook-13 7310 systems may not charge the system battery or power on.
This issue is currently under investigation by Dell Engineering and these initial conclusions have been determined:
Dell Engineering is working on a final solution to prevent this issue from occurring, until then, use the workaround below to resolve and prevent the issue from occurring.
So far, issue is only seen on the right side USB port (USB 2.0) on the Chromebook-11 3120 and Chromebook 7310 (See images below).
Charging USB device using the Left side USB 3.0 port is the recommended solution to this issue (See images below).
Since the left USB port is BC1.2 (Battery Charge). It’s designed for USB-powered portable equipment which needs a smart method for determining the appropriate amount of power to draw for both normal operation and charging.
At home, in the car, or plugged into a computer, USB-powered portable equipment needs a smart method for determining the appropriate amount of power to draw for both normal operation and charging.
Due to the huge variety of portable devices, differences in USB ports, and complicated nature of rechargeable batteries, the USB Battery Charging Specification Revision 1.2 was developed.
It is a critical standard for establishing the proper way to charge a battery from a USB port. You can find additional information on this subject from this: USB Battery Charging 1.2 Compliance Plan.
Chromebook 3120 BC 1.2 information can be found in Table 6 of these links: https://downloads.dell.com/Manuals/all-products/esuprt_laptop/esuprt_chromebook/chromebook-11-3120_Reference%20Guide_en-us.pdf or https://downloads.dell.com/Manuals/all-products/esuprt_laptop/esuprt_chromebook/chromebook-13-7310_Setup%20Guide_en-us.pdf
If the system has already encountered this issue and the over-volt protection has tripped, the steps below should resolve the issue:
To prevent the issue from re-occurring, only plug these type of USB devices into the USB 3.0 port on the left side of the system.
Article ID: SLN300416
Last Date Modified: 10/02/2017 04:06 PM