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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... of the 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 cards 7 beeps is causing the malfunction. This will reveal the ...beeps If the system video adapter is an integrated part of interference by pauses (intervals without sound) during POST. Before declaring the motherboard beyond all other expansion cards are absent, one at a time until the problem happens again. If the video adapter is an Display...
... of the 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 cards 7 beeps is causing the malfunction. This will reveal the ...beeps If the system video adapter is an integrated part of interference by pauses (intervals without sound) during POST. Before declaring the motherboard beyond all other expansion cards are absent, one at a time until the problem happens again. If the video adapter is an Display...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. This will not appear on the screen the next time you power-on the system, ...
Before declaring the motherboard beyond all expansion 10 beeps cards except the video adapter. This will not appear on the screen the next time you power-on the system, ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
Page 40
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 ...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...drops of grease on the top of grease should be 0.03ml (3 tick marks on the grease syringe). 11. Replacing the motherboard To replace the motherboard: 1. Refer to "Replacing the heatsink assembly". 3. Refer to "Removing the computer cover". 2. Remove the CPU. Remove all the... cables from the motherboard. 53 Remove the 6 screws that secure the motherboard to the system board. 13. Reconnect the disconnected cables to the chassis. 7. Refer to "Replacing a PCIE adapter". 5....
...drops of grease on the top of grease should be 0.03ml (3 tick marks on the grease syringe). 11. Replacing the motherboard To replace the motherboard: 1. Refer to "Replacing the heatsink assembly". 3. Refer to "Removing the computer cover". 2. Remove the CPU. Remove all the... cables from the motherboard. 53 Remove the 6 screws that secure the motherboard to the system board. 13. Reconnect the disconnected cables to the chassis. 7. Refer to "Replacing a PCIE adapter". 5....
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...the chassis. 9. Refer to "Identifying parts on the system board". 54 Locate the system fan assembly. Install all cables to the new motherboard. 11. Remove the computer cover. Reconnect all the relative parts back. 12. Replacing the system fan assembly Attention Do not remove the .... 10. Refer to "Removing the computer cover". 2. 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. Slide and then lift the...
...the chassis. 9. Refer to "Identifying parts on the system board". 54 Locate the system fan assembly. Install all cables to the new motherboard. 11. Remove the computer cover. Reconnect all the relative parts back. 12. Replacing the system fan assembly Attention Do not remove the .... 10. Refer to "Removing the computer cover". 2. 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. Slide and then lift the...
Lenovo H4 Series Hardware Replacement Guide V1.0
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... computer. 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.). Hardware Replacement Guide 31045292_H4_HRG_EN_V1.0.indd 8 2010.9.19 11:11:12 AM
... computer. 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.). Hardware Replacement Guide 31045292_H4_HRG_EN_V1.0.indd 8 2010.9.19 11:11:12 AM