Lenovo H4 Series Hardware Maintenance Manual V2.0
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... 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... Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8. Hardware Maintenance Manual Exiting from the Setup Utility program 27 Chapter 7.
... 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... Index 28 Hard disk drive boot error 28 Power Supply Problems 29 Beep symptoms 30 POST error codes 31 Undetermined problems 33 Chapter 8. Hardware Maintenance Manual Exiting from the Setup Utility program 27 Chapter 7.
Lenovo H4 Series Hardware Maintenance Manual V2.0
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... reveal the malfunctioning card. 8 beeps If the system video adapter is an integrated part of the add-in card. Hardware Maintenance Manual Beep symptoms Beep symptoms are absent, consult your system manufacturer. If the video adapter is an Display memory error (system 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 the system. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat...
... reveal the malfunctioning card. 8 beeps If the system video adapter is an integrated part of the add-in card. Hardware Maintenance Manual Beep symptoms Beep symptoms are absent, consult your system manufacturer. If the video adapter is an Display memory error (system 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 the system. The following tables describes beep symptoms. Beep Symptom 1 beep Memory refresh timer error FRU/Action Reseat...
Lenovo H4 Series Hardware Maintenance Manual V2.0
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It provides basic computer functions and supports a variety of below system boards was preinstalled on your computer. Hardware Maintenance Manual Voltage selection switch (selected models only) Power connector PS/2 keyboard connector PS/2 mouse connector HDMI connector (selected models only) On-board VGA connector (selected models ... one of devices that are equipped with a WIFI card or TV tuner card) Identifying parts on the system board The system board (sometimes called the motherboard) is the main circuit board in your computer.). 38
It provides basic computer functions and supports a variety of below system boards was preinstalled on your computer. Hardware Maintenance Manual Voltage selection switch (selected models only) Power connector PS/2 keyboard connector PS/2 mouse connector HDMI connector (selected models only) On-board VGA connector (selected models ... one of devices that are equipped with a WIFI card or TV tuner card) Identifying parts on the system board The system board (sometimes called the motherboard) is the main circuit board in your computer.). 38
Lenovo H4 Series Hardware Maintenance Manual V2.0
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...in . 10. Refer to the new motherboard. 11. To obtain copies of the chassis. 9. Locate the system fan assembly. Refer to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. Hardware Maintenance Manual 8. Remove the computer cover. Slide ...and then lift the motherboard out of the Safety and Warranty Guide or HMM, go to "Identifying parts...
...in . 10. Refer to the new motherboard. 11. To obtain copies of the chassis. 9. Locate the system fan assembly. Refer to the Support Web site at: http://consumersupport.lenovo.com To replace the system fan assembly: 1. Hardware Maintenance Manual 8. Remove the computer cover. Slide ...and then lift the motherboard out of the Safety and Warranty Guide or HMM, go to "Identifying parts...