Chapter 5. Using the Setup Utility. . . 13 Replacing the Wi-Fi card ... Starting the Lenovo BIOS Setup Utility program . . Replacing the Wi-Fi antenna ..
This manual contains service and reference information for Lenovo ideacentre 300 series desktop computers listed on the cover. It is intended only for trained servicers who are familiar with Lenovo computer products. Before servicing a Lenovo product, be sure to read the Safety Information.
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– Motor generators and similar units. (This practice ensures correct grounding of the units.) • If an electrical accident occurs: – Use caution; do not become a victim yourself. – Switch off power. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
– Send another person to get medical aid. Safety inspection guide The intent of this inspection guide is to assist you in identifying potentially unsafe conditions on these products. Each machine, as it was designed and built, had required safety items installed to protect users and service personnel from injury.
• Connect and disconnect cables as described in the following table when installing, moving, or opening covers on this product or attached devices. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
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To Connect To Disconnect 1. Turn everything OFF. 1. Turn everything OFF. 2. First, attach all cables to devices. 2. First, remove power cords from outlet. 3. Attach signal cables to connectors. 3. Remove signal cables from connectors. 4. Attach power cords to outlet. 4.
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CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
1. If your computer is already on when you start this procedure, shut down the operating system and turn off the computer. 2. Press and hold the F1 key, and then turn on the computer. When the Lenovo BIOS Setup Utility program is displayed, release the F1 key.
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5. Select Save changes and Exit from the menu. Power-On Password When a Power-On Password is set, you cannot start the Lenovo BIOS Setup Utility program until a valid password is typed from the keyboard. Setting, changing, or deleting a Power-On Password...
Note: A password can be any combination of letters and numbers up to 16 character (a-z, and 0-9). To set a Power-On Password, do the following: 1. Start the Lenovo BIOS Setup Utility program (See ”Starting the Lenovo BIOS Setup Utility program” on page 13.) 2.
Agent. 4. Select Disabled or Enabled and then press the Enter key. 5. Return to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Select Save changes and Exit from the menu. Note: If you do not want to save the settings, select Discard changes and Exit from the menu.
Exiting the Lenovo BIOS Setup Utility program After you finish viewing or changing settings, press the Esc key to return to the Lenovo BIOS Setup Utility program main menu. You might have to press the Esc key several times. Do one of the following: •...
3. Power-on the computer to re-test the system. 4. Repeat steps 1 through 3 until you find the failing device or component. If all devices and components have been removed and the problem continues, replace the system board. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
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The following illustrations show the location of connectors and components on the rear of the 310 series computers. 1. HDMI-out connector 5. Ethernet connector 2. USB 3.0 connector 6. Audio connectors 3. USB 2.0 connectors (2) 7. PCI-Express card area 8. Power connector 4. USB 3.0 connector Lenovo Legion Y520 Tower Hardware Maintenance Manual...
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Hardware components The following illustration shows the components that make up your computer. 1. PCI cover 13. Optical drive 2. Microprocessor assembly 14. Graphic card 3. Rear fan 15. Storage drive 4. Top bezel 16. Storage drive bracket 5. Wi-Fi antennas (2) 17.
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16. Microprocessor fan connector 7. M.2 Wi-Fi card slot 17. Rear fan connector 8. Front USB 3.0 connector 18. Microprocessor socket 9. SATA connector 19. 4 pin connector to connect the microprocessor 10. SATA connector Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer. To obtain copies of the Safety and Warranty Guide, go to the Support Web site at: http://consumersupport.lenovo.com. Note: Use only parts provided by Lenovo.
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.
Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage.
Step 6. To reattach the bezel: Align the three plastic tabs on both sides of the front bezel with the corresponding holes in the chassis. Then, pivot the front bezel inward until it snaps into position. Step 7. Reinstall all the removed parts, and then reconnect the cables. Replacing the power supply assemby Note: For this procedure, it helps to lay the computer flat.
Disconnect the data and power cables from the rear of the optical drive Step 6. Open the optical drive cover Step 7. Open the optical drive lock , and then push the optical drive out Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Step 8. To install the new optical drive: Insert the new optical drive into the chassis. Close the optical drive lock to secure the new optical drive to the chassis. Connect the data and power cables to the new optical drive. Close the optical drive cover.
Step 8. Reinstall all the removed parts, and then reconnect the cables. Replacing the 3.5-inch storage drive Note: For this procedure, it helps to lay the computer flat. To replace the 3.5-inch storage drive: Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
Refer to Locating connectors, controls and components to locate the various connectors. Step 4. Remove the computer cover. Refer to Removing the computer cover. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Step 5. Locate the memory module connectors. Refer to Locating connectors, controls and components. Step 6. Remove the memory module being replaced by opening the retaining clips as shown. Step 7. Position the new memory module over the memory connector. Make sure the notch on the memory module is correctly aligned with the connector key on the system board.
Secure the Wi-Fi card to the motherboard with one screw. Step 10. Reinstall all the removed parts, and then reconnect the cables. Replacing the Wi-Fi antenna Note: For this procedure, it helps to lay the computer flat. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
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To replace the Wi-Fi antenna: Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer.
Tighten the four screws to secure the new heat sink and fan assembly. Connect the heat sink and fan assembly cable to the microprocessor fan connector on the motherboard. Step 8. Reinstall all the removed parts, and then reconnect the cables. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Replacing the microprocessor Note: For this procedure, it helps to lay the computer flat. To replace the microprocessor Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2.
Refer to Locating connectors, controls and components to locate the various connectors. Step 4. Remove the computer cover. Refer to Removing the computer cover. Step 5. Remove the front bezel. Refer to Removing the front bezel. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
Step 6. Disconnect the front fan power cable from the corresponding connector on the motherboard. Step 7. The system fan is connected to the chassis by four rubber mounts. Break or cut the rubber mounts and gently pull the system fan out of the chassis. Step 8.
To replace the motherboard: Step 1. Remove any media from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. Lenovo Legion Y520 Tower Hardware Maintenance Manual...
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Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O) cables, and any other cables that are connected to the computer. Refer to Locating connectors, controls and components to locate the various connectors. Step 4. Remove the computer cover.
Chapter 9. FRU lists This chapter lists the information on the field replaceable units (FRUs) for Lenovo Legion Y520 Tower series computers. Attention: Be sure to read and understand all the safety information before replacing any FRUs. Table 1. Y520T-IKL...