Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 2
... the hard disk drive 45 Replacing an optical drive 46 Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU 50 Replacing the motherboard 53 Replacing the system fan assembly 54 Replacing the power supply 56 Replacing the keyboard 57 Replacing the mouse 58 Replacing the external speaker 59...
... the hard disk drive 45 Replacing an optical drive 46 Replacing a PCIE adapter 47 Replacing the heatsink assembly 48 Replacing the CPU 50 Replacing the motherboard 53 Replacing the system fan assembly 54 Replacing the power supply 56 Replacing the keyboard 57 Replacing the mouse 58 Replacing the external speaker 59...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...-in base memory (first 64KB block) 3 beeps Base memory read/write test error 4 beeps Fatal error indicating a serious Motherboard timer not operational problem with known good modules. 2 beeps Parity error in card, replace or reseat the adapter) video adapter. Before declaring ...the motherboard beyond all other expansion cards are generated when all hope, eliminate the possibility 5 beeps of interference by pauses (intervals without sound...
...-in base memory (first 64KB block) 3 beeps Base memory read/write test error 4 beeps Fatal error indicating a serious Motherboard timer not operational problem with known good modules. 2 beeps Parity error in card, replace or reseat the adapter) video adapter. Before declaring ...the motherboard beyond all other expansion cards are generated when all hope, eliminate the possibility 5 beeps of interference by pauses (intervals without sound...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 33
... not appear on the system. 31 This series of the add-in card. POST does the following operations. • Checks some options. Before declaring the motherboard beyond all other expansion cards are absent, consult your system manufacturer. Chapter 7. Symptom-to appear. Consult your system manufacturer's technical support. • If beep codes...
... not appear on the system. 31 This series of the add-in card. POST does the following operations. • Checks some options. Before declaring the motherboard beyond all other expansion cards are absent, consult your system manufacturer. Chapter 7. Symptom-to appear. Consult your system manufacturer's technical support. • If beep codes...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 40
....). 38 It provides basic computer functions and supports a variety of below system boards was preinstalled on the system board The system board (sometimes called the motherboard) is the main circuit board in connector PCI Express x16 graphics adapter connector (Some models are equipped with a WIFI card or TV tuner card) Identifying...
....). 38 It provides basic computer functions and supports a variety of below system boards was preinstalled on the system board The system board (sometimes called the motherboard) is the main circuit board in connector PCI Express x16 graphics adapter connector (Some models are equipped with a WIFI card or TV tuner card) Identifying...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 55
... cover". 2. Remove the PCIE adapters. Remove the CPU. Refer to "Replacing a memory module". 4. Remove all the cables from the motherboard. 53 Remove the computer cover. Remove the heatsink assembly. Use a thermal grease syringe to place five drops of the microprocessor. Refer to... "Replacing the CPU". 6. Chapter 9. Remove the memory module. Refer to the chassis. 7. Remove the 6 screws that secure the motherboard to "Replacing a PCIE adapter". 5. Replacing hardware 9. To secure the microprocessor in the socket, close the microprocessor retainer and lock it ...
... cover". 2. Remove the PCIE adapters. Remove the CPU. Refer to "Replacing a memory module". 4. Remove all the cables from the motherboard. 53 Remove the computer cover. Remove the heatsink assembly. Use a thermal grease syringe to place five drops of the microprocessor. Refer to... "Replacing the CPU". 6. Chapter 9. Remove the memory module. Refer to the chassis. 7. Remove the 6 screws that secure the motherboard to "Replacing a PCIE adapter". 5. Replacing hardware 9. To secure the microprocessor in the socket, close the microprocessor retainer and lock it ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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To obtain copies of the chassis. 9. Refer to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. Align then insert the new motherboard and screw it in the Hardware Maintenance Manual (HMM) for the computer. Remove the computer cover. Replacing...and Warranty Guide that was included with your computer or in . 10. Locate the system fan assembly. Install all cables to the new motherboard. 11. Refer to "Identifying parts on the system board". 54 Hardware Maintenance Manual 8. Refer to the "Completing the installation". Reconnect ...
To obtain copies of the chassis. 9. Refer to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. Align then insert the new motherboard and screw it in the Hardware Maintenance Manual (HMM) for the computer. Remove the computer cover. Replacing...and Warranty Guide that was included with your computer or in . 10. Locate the system fan assembly. Install all cables to the new motherboard. 11. Refer to "Identifying parts on the system board". 54 Hardware Maintenance Manual 8. Refer to the "Completing the installation". Reconnect ...
Lenovo H4 Series Hardware Replacement Guide V1.0
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It provides basic computer functions and supports a variety of below system boards was preinstalled on the system board The system board (sometimes called the motherboard) is the main circuit board in connector PCI Express x16 graphics adapter connector (Some models are equipped with a WIFI card or TV tuner card) Identifying ...
It provides basic computer functions and supports a variety of below system boards was preinstalled on the system board The system board (sometimes called the motherboard) is the main circuit board in connector PCI Express x16 graphics adapter connector (Some models are equipped with a WIFI card or TV tuner card) Identifying ...