Acer Aspire 5755 Aspire 5755, 5755G Service Guide - Page 127

3. Align module and heatsink to mainboard screw holes (Figure 3-52). Figure 3-52. Thermal Module Installation 4. Install and secure four (4) screws (C/1 - C/4) and two (2) screws (D/5 - D/6), in numerical order from one (1) to six (6), to mainboard (Figure 3-50). 5. Install module cable (B) to mainboard connector. 6. Install mainboard. ID C Size M2.3x3.2 Ni Quantity 4 Screw Type D M2.5x4.0 2 Machine Maintenance Procedures 3-49