Lenovo ThinkCentre M70s Gen 4 User Manual

Also see for ThinkCentre M70s Gen 2: Maintenance manual Manual User guide Hardware Maintenance Manual Manual

Keep fingers and other parts of your body away from hazardous, moving parts. If you suffer an injury, seekmedical care immediately. Never remove the cover on a power supply or any part that has the following labelattached.Hazardous voltage, current, and energy levels are present inside any component that has this label attached.There are no serviceable parts inside these components. If you suspect a problem with one of these parts,contact a service technician.For access, do the following:1. Remove these parts in order:• “Computer cover” on page 26• “Optical drive” on page 27• “Front bezel” on page 30• “Drive bay assembly” on page 312. Disconnect the power supply assembly cables from the system board.Removal stepsE-lockPrerequisiteBefore you start, read Generic Safety and Compliance Notices, and print the following instructions.For access, do the following:1. Remove these parts in order, if any:• “Computer cover” on page 26• “PCI-Express card” on page 402. Disconnect the E-lock cable from the system board.Note: To remove the screws, you need a special tool (T15 star wrench).Chapter 4. CRU replacement 43