Fujitsu PRIMERGY TX2550 M5 - The system will not boot after installing a new HDD; Screen remains blank; No screen display or display drifts

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Push the PCI air duct to the left as far as it will go so that the two shoulder
screw caps rest in the small ends of the keyhole slots.
4.10 Handling the crossbar
4.10.1
Removing the crossbar
Figure 43: Removing the crossbar
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Remove the three screws of the crossbar (see circles).
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Remove the crossbar
.
Basic hardware procedures
90 Upgrade and Maintenance Manual TX2550 M5