Lenovo H520s Hardware Maintenance Manual
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... 1 Chapter 2. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii General information . . . . . 9 Specifications 9 Chapter 4. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Replacing hardware . . . . ... 29 Replacing an optical drive 30 Replacing the hard disk drive 32 Replacing a memory module 33 Replacing the Power supply 34 Replacing the graphic card 35 Replacing the system fan 37 Replacing the microprocessor fan 37 Replacing the heat-...
... 1 Chapter 2. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii General information . . . . . 9 Specifications 9 Chapter 4. Symptom-to-FRU Index . . 19 Hard disk drive boot error 19 Power Supply Problems 19 POST error codes 20 Undetermined problems 20 Chapter 7. Replacing hardware . . . . ... 29 Replacing an optical drive 30 Replacing the hard disk drive 32 Replacing a memory module 33 Replacing the Power supply 34 Replacing the graphic card 35 Replacing the system fan 37 Replacing the microprocessor fan 37 Replacing the heat-...
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...person must be there to switch off . • Always look carefully for that it , ask the customer to power-off the wall box that supplies power to the machine and to lock the wall box in the off position. • If you start to work area...insulate you may prevent a current from electrical shock. • Find the room emergency power-off power. 4 Lenovo H520sHardware Maintenance Manual Power supply units - Some hand tools have , near you cannot unplug it has been powered-off the power, if necessary. - Performing a mechanical inspection - Observe the special safety precautions when ...
...person must be there to switch off . • Always look carefully for that it , ask the customer to power-off the wall box that supplies power to the machine and to lock the wall box in the off position. • If you start to work area...insulate you may prevent a current from electrical shock. • Find the room emergency power-off power. 4 Lenovo H520sHardware Maintenance Manual Power supply units - Some hand tools have , near you cannot unplug it has been powered-off the power, if necessary. - Performing a mechanical inspection - Observe the special safety precautions when ...
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...• Keep the parts in identifying potentially unsafe conditions on these conditions and the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock). • Explosive hazards, such as a damaged CRT face or bulging ... the appropriate type as loose or missing hardware The guide consists of a series of fire or smoke damage. 7. Check that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as metal filings, contamination, water or other liquids, or signs of...
...• Keep the parts in identifying potentially unsafe conditions on these conditions and the safety hazards they present: • Electrical hazards, especially primary power (primary voltage on the frame can cause serious or fatal electrical shock). • Explosive hazards, such as a damaged CRT face or bulging ... the appropriate type as loose or missing hardware The guide consists of a series of fire or smoke damage. 7. Check that the power-supply cover fasteners (screws or rivets) have been certified (ISO 9000) as metal filings, contamination, water or other liquids, or signs of...
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The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on the power supply do not turn off the electrical current supplied to the device. ≥18 kg(37 lbs) CAUTION: Use safe practices when lifting. ≥32 kg(70.5 lbs) ≥55 kg(121.2 lbs) CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 8 Lenovo H520sHardware Maintenance Manual
The device also might have more than one power cord. To remove all electrical current from the device, ensure that all power cords are disconnected from the power source. 2 1 CAUTION: Do not place any object weighing more than 82 kg (180 lbs.) on the power supply do not turn off the electrical current supplied to the device. ≥18 kg(37 lbs) CAUTION: Use safe practices when lifting. ≥32 kg(70.5 lbs) ≥55 kg(121.2 lbs) CAUTION: The power control button on the device and the power switch on top of rack-mounted devices. 8 Lenovo H520sHardware Maintenance Manual
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...can be overwritten if you do receive the correct response, proceed to step 7. 6. Check all display controls to the information supplied with that software package. Power-on the display. If you select an incorrect drive. Chapter 4. General error messages appear if a problem or conflict is...If you cannot continue, replace the last device tested. © Copyright Lenovo 2012 11 Use the following conditions and follow the instructions: • If the computer displays a POST error, go to step 6. Power-off the computer and all external devices. 5. For an explanation of the...
...can be overwritten if you do receive the correct response, proceed to step 7. 6. Check all display controls to the information supplied with that software package. Power-on the display. If you select an incorrect drive. Chapter 4. General error messages appear if a problem or conflict is...If you cannot continue, replace the last device tested. © Copyright Lenovo 2012 11 Use the following conditions and follow the instructions: • If the computer displays a POST error, go to step 6. Power-off the computer and all external devices. 5. For an explanation of the...
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... startup drive is listed first. Error The startup drive is a power supply problem. Replace the hard disk drive. Symptom-to-FRU Index The Symptom-to format the hard disk drive. No operating system installed on Switch © Copyright Lenovo 2012 19 Check the power-on page 20. Chapter 6. This index can have available when...
... startup drive is listed first. Error The startup drive is a power supply problem. Replace the hard disk drive. Symptom-to-FRU Index The Symptom-to format the hard disk drive. No operating system installed on Switch © Copyright Lenovo 2012 19 Check the power-on page 20. Chapter 6. This index can have available when...
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Optical disk drive and bay 4 5 4. Hardware components The following illustration shows the components that make up your computer. 3 2 1 1. Heatsink and microprocessor fan 2. Hard disk drive 5. Power supply 24 Lenovo H520sHardware Maintenance Manual System board 3.
Optical disk drive and bay 4 5 4. Hardware components The following illustration shows the components that make up your computer. 3 2 1 1. Heatsink and microprocessor fan 2. Hard disk drive 5. Power supply 24 Lenovo H520sHardware Maintenance Manual System board 3.
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... the notch 1 on the memory module is correctly aligned with locating the various connectors. Remove any other cables that secure the Power supply to the computer. Refer to lay the computer flat. Step 6. Push the memory module straight down the operating system, and ...turn off the computer and all cables attached to the chassis. 34 Lenovo H520sHardware Maintenance Manual Replacing the Power supply Note: For this procedure, it helps to "Removing the front bezel". Remove the computer cover. Step 2. Step 6. ...
... the notch 1 on the memory module is correctly aligned with locating the various connectors. Remove any other cables that secure the Power supply to the computer. Refer to lay the computer flat. Step 6. Push the memory module straight down the operating system, and ...turn off the computer and all cables attached to the chassis. 34 Lenovo H520sHardware Maintenance Manual Replacing the Power supply Note: For this procedure, it helps to "Removing the front bezel". Remove the computer cover. Step 2. Step 6. ...
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...card: Step 1. Remove the computer cover. Step 8. Step 4. Disconnect all attached devices. Refer to the computer. Slide then lift the Power supply out of the chassis and secure it to "Left and right view" and "Rear view" for help with the 3 screws. Step ...disks, CDs, DVDs, or memory cards) from electrical outlets. Chapter 8. Install the new power supply: a. Connect the power cables to the computer. Step 9. Line up the holes on the new power supply with mounting holes on the motherboard. Reattach the front bezel, computer cover. Step 10. Unplug...
...card: Step 1. Remove the computer cover. Step 8. Step 4. Disconnect all attached devices. Refer to the computer. Slide then lift the Power supply out of the chassis and secure it to "Left and right view" and "Rear view" for help with the 3 screws. Step ...disks, CDs, DVDs, or memory cards) from electrical outlets. Chapter 8. Install the new power supply: a. Connect the power cables to the computer. Step 9. Line up the holes on the new power supply with mounting holes on the motherboard. Reattach the front bezel, computer cover. Step 10. Unplug...
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... the connectors on motherboard. Step 5. Remove the optical drive. Refer to "Replacing the optical drive". Step 9. Reattach the power supply, hard disk drive and optical drive. Replacing the motherboard Note: For this procedure, it with locating the various connectors. Step... new front USB/card reader/audio module: a. Connect the data cables to "Replacing the power supply". Step 13. Disconnect all cables attached to the computer. Replacing hardware 43 Remove the power supply. Slide the front USB/card reader/audio module in and secure it helps to "Left ...
... the connectors on motherboard. Step 5. Remove the optical drive. Refer to "Replacing the optical drive". Step 9. Reattach the power supply, hard disk drive and optical drive. Replacing the motherboard Note: For this procedure, it with locating the various connectors. Step... new front USB/card reader/audio module: a. Connect the data cables to "Replacing the power supply". Step 13. Disconnect all cables attached to the computer. Replacing hardware 43 Remove the power supply. Slide the front USB/card reader/audio module in and secure it helps to "Left ...
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... 17. Reattach the memory module, Wi-Fi card, CPU, heat-sink and microprocessor fan to "Removing the front bezel". Reattach the power supply, hard disk drive, optical drive, graphic card and the TV-Tuner card. Remove the front bezel. Refer to the new motherboard. ...Lenovo H520sHardware Maintenance Manual Line up the motherboard to the new motherboard. Remove the hard disk drive. Step 10. Lift up the holes on the new motherboard with mounting holes on motherboard. Connect the all cables from the connectors on the chassis and secure it . Remove the power supply...
... 17. Reattach the memory module, Wi-Fi card, CPU, heat-sink and microprocessor fan to "Removing the front bezel". Reattach the power supply, hard disk drive, optical drive, graphic card and the TV-Tuner card. Remove the front bezel. Refer to the new motherboard. ...Lenovo H520sHardware Maintenance Manual Line up the motherboard to the new motherboard. Remove the hard disk drive. Step 10. Lift up the holes on the new motherboard with mounting holes on motherboard. Connect the all cables from the connectors on the chassis and secure it . Remove the power supply...
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...-ROHS TFX 180W Power Supply® AcBel PC9053-EL0G 240W Power Supply(R) Liteon PS-5241-02VF-RoHS 240W Power Supply® HuntKey HK340-71FP 240W Power Supply® Liteon PS-5241-03VA-RoHS 240W 85%Power Supply® FSP240-50SBV 240W 85% Power Supply® Fan Module Foxconn PKP736G01K(D)12Z Fan Taisol CEL3172836A6 Fan AVC DS09225R12HP251 Front Fan 48 Lenovo H520sHardware Maintenance...
...-ROHS TFX 180W Power Supply® AcBel PC9053-EL0G 240W Power Supply(R) Liteon PS-5241-02VF-RoHS 240W Power Supply® HuntKey HK340-71FP 240W Power Supply® Liteon PS-5241-03VA-RoHS 240W 85%Power Supply® FSP240-50SBV 240W 85% Power Supply® Fan Module Foxconn PKP736G01K(D)12Z Fan Taisol CEL3172836A6 Fan AVC DS09225R12HP251 Front Fan 48 Lenovo H520sHardware Maintenance...
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... This chapter provides general information that applies to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Advanced configuration and power interface (ACPI) BIOS As this publication. Not all machine...computer will be turned on automatically. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2012 53 Power management Power management reduces the power consumption of certain components of the computer...
... This chapter provides general information that applies to control the power management features of the computer such as the system power supply, processor, hard disk drives, and some monitors. Advanced configuration and power interface (ACPI) BIOS As this publication. Not all machine...computer will be turned on automatically. Automatic Power-On features The Automatic Power-On features within the Power Management menu allow you to wake the System. © Copyright Lenovo 2012 53 Power management Power management reduces the power consumption of certain components of the computer...