Lenovo G50 User Guide
Have a look at the manual Lenovo G50 User Guide online for free. It’s possible to download the document as PDF or print. UserManuals.tech offer 207 Lenovo manuals and user’s guides for free. Share the user manual or guide on Facebook, Twitter or Google+.
47 Lenovo G50-70/G50-70m/Z50-70 Figure 9. Removal steps of keyboard bezel (continued) Disconnect the touchpad cable connector and the power board connector in the directions shown by arrows 3 and 4. Remove the keyboard bezel in the direction shown by arrow 5.
48 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 9. Removal steps of keyboard bezel (continued) Remove the screw 6. StepScrew (quantity)ColorTorque 6M2 × 3.5 mm, flat-head, nylok-coated (1) Power BD+CBlack1.5 ~ 2.0 kgf*cm Carefully remove the power board in the direction shown by arrow 7.
49 Lenovo G50-70/G50-70m/Z50-70 1100 ODD board and USB&audio board For access, remove these FRUs in order: • “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 • “1030 Optical drive” on page 35 • “1040 Hard disk drive” on page 36 • “1050 PCI Express Mini Card for wireless LAN” on page 38 • “1070 Fan assembly” on page 41 • “1080 Keyboard” on page 43 • “1090 Keyboard bezel” on page 46 Figure 10. Removal steps of ODD board and USB&audio board Detach the ODD board connector in the directions shown by arrows 1 and 2. Remove the screw 3. StepScrew (quantity)ColorTorque 3M2 × 3.5 mm, flat-head, nylok-coated (1) ODD board + D Black1.5 ~ 2.0 kgf*cm
50 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 10. Removal steps of ODD board and USB&audio board (continued) Remove the ODD board 4.
51 Lenovo G50-70/G50-70m/Z50-70 Figure 10. Removal steps of ODD board and USB&audio board (continued) Detach the USB&audio board connector in the directions shown by arrows 5 and 6. Remove the screw 7. StepScrew (quantity)ColorTorque 7M2 × 3.5 mm, flat-head, nylok-coated (1) USB board + D Black1.5 ~ 2.0 kgf*cm
52 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 10. Removal steps of ODD board and USB&audio board (continued) Remove the USB&audio board 8.
53 Lenovo G50-70/G50-70m/Z50-70 111 0 System board Important notices for handling the system board: When handling the system board, bear the following in mind. • Be careful not to drop the system board on a bench top that has a hard surface, such as metal, wood, or composite. • Avoid rough handling of any kind. • During the whole process, make sure not to drop or stack the system board. • If you put a system board down, make sure to put it only on a padded surface such as an ESD mat or conductive corrugated material. For access, remove these FRUs in order: • “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 • “1030 Optical drive” on page 35 • “1040 Hard disk drive” on page 36 • “1050 PCI Express Mini Card for wireless LAN” on page 38 • “1070 Fan assembly” on page 41 • “1080 Keyboard” on page 43 • “1090 Keyboard bezel” on page 46 • “1100 ODD board and USB&audio board” on page 49 Figure 11. Removal steps of system board Disconnect the two connectors in the directions shown by arrows 1 and 2.
54 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual Figure 11. Removal steps of system board (continued) Unplug the speaker connector in the direction shown by arrow 3. Remove the screws 4. StepScrew (quantity)ColorTorque 4M2 × 3.5 mm, flat-head, nylok-coated (3) MB + D Black1.5 ~ 2.0 kgf*cm
55 Lenovo G50-70/G50-70m/Z50-70 Figure 11. Removal steps of system board (continued) Remove the system board in the direction shown by arrow 5.
56 G50-70/G50-70m/Z50-70 Hardware Maintenance Manual 1120 Heat sink assembly For access, remove these FRUs in order: • “1010 Battery pack” on page 32 • “1020 Base cover” on page 33 • “1030 Optical drive” on page 35 • “1040 Hard disk drive” on page 36 • “1050 PCI Express Mini Card for wireless LAN” on page 38 • “1070 Fan assembly” on page 41 • “1080 Keyboard” on page 43 • “1090 Keyboard bezel” on page 46 • “1100 ODD board and USB&audio board” on page 49 • “1110 System board” on page 53 Figure 12. Removal steps of heat sink assembly Remove the screws 1. StepScrew (quantity)ColorTorque 1M2 × 3.5 mm, flat-head, nylok-coated (4) thermal+MB Black1.5 ~ 2.0 kgf*cm Lift the heat sink assembly in the direction shown by arrow 2.