Lenovo A540/A740 Hardware Maintenance Manual
Page 35
... grease should be 0.03ml (3 tick marks on the grease syringe). Use a thermal grease syringe to let it with the 8 screws. Attach the system fan to the new heat-sink and secure it cool down the operating system, and turn off the computer and all cables attached to "Removing the... base cover". Replacing the speaker system Note: Turn off the heat-sink and CPU. Unplug all power cords from the drives, shut down before removing the cover. This includes power cords, input/output (I/O) cables, and any media (...
... grease should be 0.03ml (3 tick marks on the grease syringe). Use a thermal grease syringe to let it with the 8 screws. Attach the system fan to the new heat-sink and secure it cool down the operating system, and turn off the computer and all cables attached to "Removing the... base cover". Replacing the speaker system Note: Turn off the heat-sink and CPU. Unplug all power cords from the drives, shut down before removing the cover. This includes power cords, input/output (I/O) cables, and any media (...