Cable damage may cause the system to hang, power off, or fail to boot - ThinkCentre A50, A51, A52, M52, S50, S51
The system may fail to boot or complete post during startup, or it may hang or power off during use. The cable insulation may be damaged.
Open case view showing chassis fan assembly. The fan cable harness may become pinched in-between the edge of the front chassis frame rail (green arrow) and the bottom edge of the front panel metal frame (red arrow).
Closed case view with front panel and fan mesh removed. The fan cable harness may become pinched between the edges of the front and bottom metal frames.