Acer Aspire X1430 Acer Aspire X1430 and X1430G Desktop Service Guide - Page 55

2. Insert the expansion board properly until that expansion slot lock locks into place in the direction indicated. 3. Secure the expansion board bracket opposite the PCIE16X 1 slot using one screw. 4. Position the expansion board over the PCIE1X 1 slot and move it slightly to the right (1), making sure the card guide is aligned with the slot guide on the chassis. Insert the expansion card connector properly into  PCIE1X 1 slot (2). Aspire AX1430 Service Guide 47