Detection error: hardware is a possible duplicate of hardware detected earlier.

检测错误：硬件可能与先前查到的硬件相同。

youdao

The problems can be caused by power failures, inadvertent severing of telecommunications links, corrupted software, bad hardware or human error.

WSJ: Delays Hit 1,300 American Airlines Flights

The New York Times is reporting that polling places across the country are experiencing difficulties with their voting equipment, and while we'd love to place the blame squarely on shady manufacturers like Diebold, Sequoia, and friends, it seems that the complications are actually due to human error as much as faulty hardware.

ENGADGET: Voter smashes Diebold machine as e-voting problems crop up nationwide