An electronic device includes an enclosure, a printed circuit board, and a drive bracket. The enclosure includes a bottom wall. The printed circuit board is mounted on the bottom wall with a first fastener. The drive bracket is mounted on the bottom wall. The drive bracket shields a portion of the printed circuit board, the first fastener is located in the shielded portion of the printed circuit board. A through hole is defined in the drive bracket. The through hole is in alignment with the first fastener. The first fastener is accessible via the through hole.