Zero USB Connectivity with Mac or PC

[Insoft]

No USB Activity Detected
Has anyone encountered a situation where the HP Prime was functioning perfectly one day, but the next day, when plugged into the computer, there was no connection? This issue persisted even when attempting to enter recovery mode or performing a factory reset via the diagnostic mode.

All cables have been verified to be in excellent condition and fully operational. Prior to USB connection, a thorough inspection is conducted to ensure proper orientation. The device is securely stored on a shelf and was functioning perfectly the day before. However, it suddenly ceased communication without any apparent cause. Upon connection to both PC and macOS platforms, there was no response.

While the standalone functionality remains intact, there is suspicion regarding the battery potentially causing issues. Initially indicating low battery and failing to display the charging lightning icon upon connection, subsequent charging sessions resolved the low battery status. An unusual occurrence arises when the device locks up upon plugging in, with only a rapid power-off yielding results. Notably, an hourglass icon appears at the top right during these lockups.

Further troubleshooting will involve removing the battery to observe any changes. The device has been restored to factory settings and is operating on the latest firmware version.

Speculation arises about a possible faulty solder connection at the micro USB port, although the device has been handled with care. It's plausible that the issue stems from a subpar solder joint during manufacturing. In my experience with electronic repairs, similar scenarios have been encountered, suggesting that defective rechargeable batteries charged via USB can impact the overall functionality of the port.