Selecting a startup device ..Replacing the motherboard..Exiting the Lenovo BIOS Setup Utility program . . Chapter 9. General information ..43 Chapter 6.
Chapter 1. About this manual This manual contains service and reference information for Lenovo H535s 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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– Blowers and fans – 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 H535sHardware 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 H535sHardware 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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To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on top of rack-mounted devices. Lenovo H535sHardware Maintenance Manual...
This chapter provides general information that applies to all machine types supported by this publication. Specifications This section lists the physical specifications for your computer. This section lists the physical specifications for your computer. Type Lenovo H535s This section lists the physical specifications. Environment Air temperature: Operating: 10°...
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 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. From the Security menu, select Set Power-On Password and press the Enter key.
Network Setup press the Enter key, then select Onboard Ethernet Support or LAN Boot Agent. 4. Select Disabled or Enabled and 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.
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 H535sHardware Maintenance Manual...
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8. Microphone connector Note: This computer only can be placed in a vertical position. Attention: Do not insert 3-inch discs into the optical drive. Attention: The effective range of the Built-in IR Emitter is 10 feet (3m). Lenovo H535sHardware Maintenance Manual...
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Rear view The following illustration shows the location of connectors and components on the rear of the computer. 1. USB 2.0 connectors 7. Ethernet connector 8. Audio connectors 2. WiFi antenna (selected models only) 3. HDMI connector (selected models only) 9.
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Hardware components The following illustration shows the components that make up your computer. 4. Hard disk drive 1. System board 2. Heatsink and CPU fan 5. Power supply 3. Optical disk drive and bay Lenovo H535sHardware Maintenance Manual...
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Identifying parts on the motherboard The motherboard (sometimes called the planar or system board) is the main circuit board in your computer. It provides basic computing functions and supports a variety of devices that are factory-installed or that you can install later. The following illustration shows the location of connectors and components on the front of the motherboard.
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.
Step 4. Remove the 2 screws that secure the computer cover at the rear of the chassis. Step 5. To reinstall the computer cover: Line up the computer cover with the chassis then slide it back. Secure the computer cover to the chassis with the screws. Removing the front bezel 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.
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Step 6. Remove the 2 screws that secure the optical disk drive bay to the chassis. Step 7. Slide out the optical disk drive bay, then lift it up. Step 8. Disconnect the data and power cables from the rear of the optical drive. Step 9.
Slide out the hard disk drive bay, then lift it up. Disconnect the data and power cables from the hard disk drive. Step 9. Remove the 4 screws that secure the hard disk drive to the bay. Lenovo H535sHardware Maintenance Manual...
Step 10. Slide the hard disk drive out of the bay. Step 11. Install the new hard disk drive: Insert the new hard disk drive into the drive bay. Screw back the 4 screws on the drive bay. Attach the data and power cables to the new hard disk drive. Line up the hard disk drive bay, then slide it in.
Note: For this procedure, it helps to lay the computer flat. To replace the adapter: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Lenovo H535sHardware Maintenance Manual...
Step 2. Disconnect the power cables from the connectors on motherboard. Step 3. Install the new adapter: Connect the power cables to the connectors on the motherboard. Replacing the graphic card To replace the graphic card: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices.
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Slide then insert the new graphic card to the same connector on the motherboard. Reattach the metal bracket back into position and secure the graphic card to the chassis with the screw. Step 8. Reattach the computer cover. Lenovo H535sHardware Maintenance Manual...
Replacing the microprocessor fan To replace the microprocessor fan: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) 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.
Step 1. Remove any media (disks, CDs, DVDs, or memory cards) 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 H535sHardware Maintenance Manual...
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 “Left and right view” and “Rear view” for help with locating the various connectors. Step 4.
Remove the optical drive. Refer to “Replacing the optical drive”. Step 8. Remove the hard disk drive. Refer to “Replacing the hard disk drive”. Step 9. Remove the microprocessor fan. Refer to “Replacing the microprocessor fan”. Lenovo H535sHardware Maintenance Manual...
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Step 10. Remove the heat-sink. Refer to “Replacing the heat-sink”. Step 11. Remove the graphic card. Refer to “Replacing the graphic card”. Step 12. Remove the TV-Tuner card. Refer to “Replacing the TV-Tuner card”. Step 13. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”. Step 14.