Lenovo K4 Series Hardware Maintenance Manual
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About this manual 1 Important Safety Information 1 Chapter 2. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems ... fan 31 Replacing the heat-sink 32 Replacing the CPU 33 Replacing the Wi-Fi card 35 Replacing the motherboard 36 FRU lists 37 Chapter 9. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility program . 13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting...
About this manual 1 Important Safety Information 1 Chapter 2. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems ... fan 31 Replacing the heat-sink 32 Replacing the CPU 33 Replacing the Wi-Fi card 35 Replacing the motherboard 36 FRU lists 37 Chapter 9. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility program . 13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device 15 Selecting...
Lenovo K4 Series Hardware Maintenance Manual
Page 36
... 5. Unplug all power cords from the drives, shut down the operating system, and turn off the computer and all cables attached to the motherboard. 32 Lenovo K4 SeriesHardware Maintenance Manual Refer to lay the computer flat. b. Step 8. Replacing the heat-sink Note: For this procedure, it helps to "Replacing the microprocessor fan". Step...
... 5. Unplug all power cords from the drives, shut down the operating system, and turn off the computer and all cables attached to the motherboard. 32 Lenovo K4 SeriesHardware Maintenance Manual Refer to lay the computer flat. b. Step 8. Replacing the heat-sink Note: For this procedure, it helps to "Replacing the microprocessor fan". Step...
Lenovo K4 Series Hardware Maintenance Manual
Page 40
...DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. 36 Lenovo K4 SeriesHardware Maintenance Manual Refer to lay the computer flat. Pull the Wi-Fi card upward to remove it helps to "Left and right view" and "... turn off the computer and all attached devices. Reattach the computer cover. Connect the 2 antenna cables to "Removing the computer cover". Replacing the motherboard Note: For this procedure, it from the Wi-Fi card. Step 2. Disconnect the 2 antenna cables from the card port. Secure the Wi-Fi...
...DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. 36 Lenovo K4 SeriesHardware Maintenance Manual Refer to lay the computer flat. Pull the Wi-Fi card upward to remove it helps to "Left and right view" and "... turn off the computer and all attached devices. Reattach the computer cover. Connect the 2 antenna cables to "Removing the computer cover". Replacing the motherboard Note: For this procedure, it from the Wi-Fi card. Step 2. Disconnect the 2 antenna cables from the card port. Secure the Wi-Fi...