Lenovo H535 Lenovo H505/520/535 Hardware Maintenance Manual - Page 46
and Rear view for help with locating the various connectors., cables
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To replace the CPU Step 1. Step 2. Step 3. Step 4. Step 5. Step 6. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Unplug all power cords from electrical outlets. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to "Left and right view" and "Rear view" for help with locating the various connectors. Remove the computer cover. Refer to "Removing the computer cover". Replacing the heat-sink assembly. Refer to "Replacing the heat-sink assembly". To remove the microprocessor 3 from the system board, press then slide the small handle out to spring it up. 1 and open the retainer. 2 Attention: Do not touch the gold contacts on the bottom of the microprocessor. When handing the microprocessor, touch only the sides. Note: Do not drop anything onto the microprocessor socket while it is exposed. The socket pins must be kept as clean as possible. 40 Lenovo H505/520/535Hardware Maintenance Manual