Table 2-2. Required Equipment • Small Phillips screwdriver, preferably magnetized. • 5 mm hex driver. • Pointed knife or probe. • Three small flat-blade screwdrivers (or equivalent tools for prying). • IC insertion/removal tool. Table 2-3. Recommended Screw Torques 2-2 Removal and Replacement HP OmniBook 2100/3000/3100 Screw Thread Size Torque (kgf•cm) Torque (lbf•in) M2 2.0 – 2.5 1.7 – 2.2 M2.5 all except those in the next two lines 2.5 – 3.5 2.2 – 3.0 M2.5 hinges 4.5 – 5.5 3.9 – 4.8 M2.5 LCD flex cable, LVDS PCA 1.5 – 2.0 1.3 – 1.7 M3 3.0 – 4.0 2.6 – 3.5