4. To install a new power supply, insert the new power supply assembly with the handle open into thechassis. Then, pivot the handle as shown to fully install the new power supply assembly into position.Note: When pivoting the handle to the closed position, push hard if you feel resistance.Figure 116. Installing the power supply assemblyWhat to do next:• To work with another piece of hardware, go to the appropriate section.• To complete the installation or replacement, go to “Completing the parts replacement” on page 145.PCIe cardAttention: Do not open your computer or attempt any repair before reading and understanding the “Readthis first: Important safety information” on page v.Your computer comes with the following combinations: one standard PCI card slot, one PCIe 3.0 x4 cardslot, one PCIe 3.0 x8 card slot, and three PCIe 3.0 x16 card slots.118 P720 User Guide
