Lenovo 7269D7U - Topseller M58e Sff E7500 2.93G 3Gb 320Gb Dvdrw W7p/Xpp, Hardware Maintenance Manual, Page: 112 / 536

e. Lower the microprocessor retainer and then lower the lever to secure the retainer. Make sure the
lever is securely locked into position.
f. Follow any additional instructions included with the replacement part you received.
10. Position the new system board so that it is aligned with the mounting studs then slide it to the rear
of the chassis until it is fully seated.
11. Reinstall any PCI adapters that were removed. See “Installing or replacing an adapter card” on page 116.
12. Reinstall the hard disk drive and connect the cables to the new system board. See “Replacing the
hard disk drive” on page 110.
13. Reinstall the heat sink and microprocessor to the new system board. See “Replacing the
microprocessor” on page 107.
14. Reinstall the memory modules into the same position on the new system board. See “Replacing a
memory module” on page 100.
15. Reconnect all cables that were disconnected from the system board. See “System board connectors”
on page 98.
16. Go to “Completing the FRU replacement” on page 118.
106
ThinkCentre Hardware Maintenance Manual