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
Page 32
...symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace with the system. Before declaring the motherboard beyond all other expansion cards 6 beeps are absent, consult your system manufacturer. If the video adapter is an integrated part of tones... video add-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. Consult ...
...symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat the memory, or replace with the system. Before declaring the motherboard beyond all other expansion cards 6 beeps are absent, consult your system manufacturer. If the video adapter is an integrated part of tones... video add-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. Consult ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 33
... Fatal error indicating a serious AMIBIOS ROM checksum error problem with the system. When you correct the cause of the add-in card. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. Insert the cards back into the system one of the first error message, the other...
... Fatal error indicating a serious AMIBIOS ROM checksum error problem with the system. When you correct the cause of the add-in card. Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. Insert the cards back into the system one of the first error message, the other...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 40
... later. 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 your computer.). 38 The following illustrations show the locations of parts on the system board (Only one of devices...
... later. 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 your computer.). 38 The following illustrations show the locations of parts on the system board (Only one of devices...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 55
... cover". 2. Fit the heatsink assembly back onto the system board. 12. Refer to place five drops of the microprocessor. Remove the PCIE adapters. Replacing the motherboard To replace the motherboard: 1. Refer to "Replacing a memory module". 4. Remove the CPU. Refer to "Replacing the heatsink assembly". 3. Remove all the cables from the...
... cover". 2. Fit the heatsink assembly back onto the system board. 12. Refer to place five drops of the microprocessor. Remove the PCIE adapters. Replacing the motherboard To replace the motherboard: 1. Refer to "Replacing a memory module". 4. Remove the CPU. Refer to "Replacing the heatsink assembly". 3. Remove all the cables from the...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 56
... and Warranty Guide or HMM, go to "Removing the computer cover". 2. Remove the computer cover. Refer to the new motherboard. 11. Align then insert the new motherboard and screw it in the Hardware Maintenance Manual (HMM) for the computer. Reconnect all the relative parts back. 12. Refer... to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. To obtain copies of the chassis. ...
... and Warranty Guide or HMM, go to "Removing the computer cover". 2. Remove the computer cover. Refer to the new motherboard. 11. Align then insert the new motherboard and screw it in the Hardware Maintenance Manual (HMM) for the computer. Reconnect all the relative parts back. 12. Refer... to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. To obtain copies of the chassis. ...
Lenovo H4 Series Hardware Replacement Guide V3.0
Page 18
It provides basic computer functions and supports a variety of parts on the system board The system board (sometimes called the motherboard) is the main circuit board in your computer. Identifying parts on the system board. The following illustrations show the locations of devices that are factory-installed or that you can install later. Lenovo H430 Microprocessor and heat sink Microprocessor fan connector Memory connectors (2) Thermal sensor header connector Power connector SATA connectors (4) Power supply fan connector Front panel connector Hardware Replacement Guide 13
It provides basic computer functions and supports a variety of parts on the system board The system board (sometimes called the motherboard) is the main circuit board in your computer. Identifying parts on the system board. The following illustrations show the locations of devices that are factory-installed or that you can install later. Lenovo H430 Microprocessor and heat sink Microprocessor fan connector Memory connectors (2) Thermal sensor header connector Power connector SATA connectors (4) Power supply fan connector Front panel connector Hardware Replacement Guide 13