Lenovo NetVista Hardware Maintenance Manual (HMM) for Aptiva, IBM PC300, and N - Page 102

components inside the frame before you touch the frame. Do not touch any of the components that have a voltage

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Top Cover To remove the top cover of this system unit: Remove the screws that secure the top cover at the back of the system unit. Hold both sides of the system unit top cover and push it forward about 25 inches. Lift the top cover up to remove it completely. Touch the bare metal frame of your system unit to dissipate the static electricity from your body. Do not touch any of the components inside the frame before you touch the frame. Do not touch any of the components that have a voltagewarning label. Disconnect the system unit power cord. 102

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102
Top Cover
To remove the top cover of this system unit:
±
Remove the screws that secure the top cover at the back of the system unit.
±
Hold both sides of the system unit top cover and push it forward about 25 inches.
±
Lift the top cover up to remove it completely.
±
Touch the bare metal frame of your system unit to dissipate the static electricity from your body. Do not touch any of the
components inside the frame before you touch the frame. Do not touch any of the components that have a voltage-
warning label.
±
Disconnect the system unit power cord.