Acer AcerPower Flex4000 Series User Manual page 90

3. Remove a bracket from any empty expansion slot. Save the screw to secure the new
board. Keep the bracket for future use.
4. Gently insert the board into the expansion slot. Make sure that the board is properly
inserted.
5. Secure the board with the screw.
AcerPower Flex4000 Series (V59LA/IDB3-C) User's Guide
Do not neglect this step. The
board uses the screw for
grounding.
Make sure any expansion boards
do not interfere with system