Lenovo H520s Hardware Maintenance Manual
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Lenovo H520s Hardware Maintenance Manual ideaideaideaCentreidea Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual ideaideaideaCentreidea Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual
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Lenovo H520s Hardware Maintenance Manual Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual
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... Safety notices 6 Chapter 3. General information . . . . . 9 Specifications 9 Chapter 4. About this manual 1 Important Safety Information 1 Chapter 2. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility program . 13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device... codes 20 Undetermined problems 20 Chapter 7. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Replacing hardware . . . . 27 General information 27 Replacing the keyboard and mouse 28 Removing the computer...
... Safety notices 6 Chapter 3. General information . . . . . 9 Specifications 9 Chapter 4. About this manual 1 Important Safety Information 1 Chapter 2. Using the Setup Utility. . . 13 Starting the Lenovo BIOS Setup Utility program . 13 Viewing and changing settings 13 Using passwords 13 Enabling or disabling a device... codes 20 Undetermined problems 20 Chapter 7. General information . . . . 53 Additional Service Information 53 © Copyright Lenovo 2012 iii Replacing hardware . . . . 27 General information 27 Replacing the keyboard and mouse 28 Removing the computer...
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...ACHTUNG" oder "VORSICHT" in this manual This manual contains service and reference information for trained servicers who are familiar with Lenovo computer products. Chapter 1. About this book before performing any of the TV card in this manual is intended only for Lenovo H520s computers listed on the cover. It... is only used for those machines which have TV card. Before servicing a Lenovo product, be sure to read the Safety Information. It is ...
...ACHTUNG" oder "VORSICHT" in this manual This manual contains service and reference information for trained servicers who are familiar with Lenovo computer products. Chapter 1. About this book before performing any of the TV card in this manual is intended only for Lenovo H520s computers listed on the cover. It... is only used for those machines which have TV card. Before servicing a Lenovo product, be sure to read the Safety Information. It is ...
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... switch or unplug the power cord quickly. • Do not work with powered-on suitable rubber mats (obtained locally, if necessary) to switch off power. 4 Lenovo H520sHardware Maintenance Manual Power supply units - Pumps - Blowers and fans - Use caution;
... switch or unplug the power cord quickly. • Do not work with powered-on suitable rubber mats (obtained locally, if necessary) to switch off power. 4 Lenovo H520sHardware Maintenance Manual Power supply units - Pumps - Blowers and fans - Use caution;
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... cables or perform installation, maintenance, or reconfiguration of the electrical outlet can use coax or connector-outside shells on this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to protect against ESD damage. - Proper...
... cables or perform installation, maintenance, or reconfiguration of the electrical outlet can use coax or connector-outside shells on this product or attached devices. 6 Lenovo H520sHardware Maintenance Manual • Avoid contact with other people while handling the part. • Wear a grounded wrist strap against your skin to protect against ESD damage. - Proper...
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The device also might have more than one power cord. ≥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 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.
The device also might have more than one power cord. ≥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 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.
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...password and press the Enter key. 3. To change any combination of letters and numbers up to 16 character (a-z, and 0-9). 14 Lenovo H520sHardware Maintenance Manual Setting, changing, or deleting a Power-On Password Note: A password can type either password. The password dialog box will be...password then press the Enter key. 4. Return to confirm, then press the Enter key. Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on page 13. 1. Administrator Password Setting an Administrator Password deters unauthorized persons from...
...password and press the Enter key. 3. To change any combination of letters and numbers up to 16 character (a-z, and 0-9). 14 Lenovo H520sHardware Maintenance Manual Setting, changing, or deleting a Power-On Password Note: A password can type either password. The password dialog box will be...password then press the Enter key. 4. Return to confirm, then press the Enter key. Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on page 13. 1. Administrator Password Setting an Administrator Password deters unauthorized persons from...
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... does not permanently change the startup sequence. Note: If you do the following: 1. Selecting a temporary startup device Use this procedure to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Turn off your computer does not boot from a server image. Selecting or changing... the startup device sequence 16 Lenovo H520sHardware Maintenance Manual To enable or disable a device, do not want to boot from a device such as the CD/DVD-ROM drive disk or hard...
... does not permanently change the startup sequence. Note: If you do the following: 1. Selecting a temporary startup device Use this procedure to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. Turn off your computer does not boot from a server image. Selecting or changing... the startup device sequence 16 Lenovo H520sHardware Maintenance Manual To enable or disable a device, do not want to boot from a device such as the CD/DVD-ROM drive disk or hard...
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... selected Boot device Description/Action Cannot initialize the keyboard. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo H520sHardware Maintenance Manual This series of tests to re-test the system. 4. External Cache d. Hard disk drive f. The BIOS then ignores the missing keyboard during POST. Extended...
... selected Boot device Description/Action Cannot initialize the keyboard. Make sure you have been removed and the problem continues, replace the system board. 20 Lenovo H520sHardware Maintenance Manual This series of tests to re-test the system. 4. External Cache d. Hard disk drive f. The BIOS then ignores the missing keyboard during POST. Extended...
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Memory card reader (selected models only) 3. Hard disk drive indicator 8. Microphone connector Attention: The effective range of the Built-in IR Emitter is 10 feet (3m). 22 Lenovo H520sHardware Maintenance Manual Blocked air vents can cause overheating. 1. USB connectors 4. Optical drive eject button 5. Attention: Be careful not to block any air vents on the front of the computer. Optical Drive (selected models only) 7. Power button 2. Font view The following illustration shows the location of controls and components on the computer. Headphone connector 6.
Memory card reader (selected models only) 3. Hard disk drive indicator 8. Microphone connector Attention: The effective range of the Built-in IR Emitter is 10 feet (3m). 22 Lenovo H520sHardware Maintenance Manual Blocked air vents can cause overheating. 1. USB connectors 4. Optical drive eject button 5. Attention: Be careful not to block any air vents on the front of the computer. Optical Drive (selected models only) 7. Power button 2. Font view The following illustration shows the location of controls and components on the computer. Headphone connector 6.
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Heatsink and microprocessor fan 2. System board 3. Optical disk drive and bay 4 5 4. Hard disk drive 5. Hardware components The following illustration shows the components that make up your computer. 3 2 1 1. Power supply 24 Lenovo H520sHardware Maintenance Manual
Heatsink and microprocessor fan 2. System board 3. Optical disk drive and bay 4 5 4. Hard disk drive 5. Hardware components The following illustration shows the components that make up your computer. 3 2 1 1. Power supply 24 Lenovo H520sHardware Maintenance Manual
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... Your keyboard will be connected to "Left and right view" and "Rear view" for help with locating the various connectors. 28 Lenovo H520sHardware Maintenance Manual Remove any media (disks, CDs, DVDs or memory cards) from electrical outlets. Note: It may be replaced using the same method.... This includes power cords, input/output (I /O) cables, and any other cables that you use a blanket, towel, or other damage. Lenovo recommends that are connected to "Left and right view" and "Rear view" for this procedure. Step 2. Disconnect the defective keyboard cable from...
... Your keyboard will be connected to "Left and right view" and "Rear view" for help with locating the various connectors. 28 Lenovo H520sHardware Maintenance Manual Remove any media (disks, CDs, DVDs or memory cards) from electrical outlets. Note: It may be replaced using the same method.... This includes power cords, input/output (I /O) cables, and any other cables that you use a blanket, towel, or other damage. Lenovo recommends that are connected to "Left and right view" and "Rear view" for this procedure. Step 2. Disconnect the defective keyboard cable from...
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..., and any other damage. To remove the front bezel: Step 1. Disconnect all power cords from scratches or other cables that are connected to the computer. Lenovo recommends that you use a blanket, towel, or other soft cloth to "Removing the front bezel". 30...
..., and any other damage. To remove the front bezel: Step 1. Disconnect all power cords from scratches or other cables that are connected to the computer. Lenovo recommends that you use a blanket, towel, or other soft cloth to "Removing the front bezel". 30...
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... the front bezel". Step 2. Step 7. Disconnect the data and power cables from electrical outlets. Remove the 4 screws that are connected to the bay. 32 Lenovo H520sHardware Maintenance Manual Step 3. c. Step 8. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the...
... the front bezel". Step 2. Step 7. Disconnect the data and power cables from electrical outlets. Remove the 4 screws that are connected to the bay. 32 Lenovo H520sHardware Maintenance Manual Step 3. c. Step 8. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the...
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... motherboard. Refer to lay the computer flat. Disconnect the power cables from the connectors on the system board. Step 7. Refer to the chassis. 34 Lenovo H520sHardware Maintenance Manual Remove the front bezel. Reattach the computer cover. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards...
... motherboard. Refer to lay the computer flat. Disconnect the power cables from the connectors on the system board. Step 7. Refer to the chassis. 34 Lenovo H520sHardware Maintenance Manual Remove the front bezel. Reattach the computer cover. This includes power cords, input/output (I/O) cables, and any media (disks, CDs, DVDs, or memory cards...
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To install the new graphic card: a. Reattach the computer cover. 36 Lenovo H520sHardware Maintenance Manual Step 8. Step 6. b. Remove the screw that lock the graphic card, and pull it up then slide it out to the chassis, and slide out the metal bracket. Push the pin that secures the graphic card to remove it. Step 7. Reattach the metal bracket back into position and secure the graphic card to the same connector on the motherboard. Slide then insert the new graphic card to the chassis with the screw. Step 5.
To install the new graphic card: a. Reattach the computer cover. 36 Lenovo H520sHardware Maintenance Manual Step 8. Step 6. b. Remove the screw that lock the graphic card, and pull it up then slide it out to the chassis, and slide out the metal bracket. Push the pin that secures the graphic card to remove it. Step 7. Reattach the metal bracket back into position and secure the graphic card to the same connector on the motherboard. Slide then insert the new graphic card to the chassis with the screw. Step 5.
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..., or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from electrical outlets. 38 Lenovo H520sHardware Maintenance Manual Step 8. To replace the heat-sink: Step 1. Step 7. To install the new microprocessor fan: a. Line up the microprocessor fan to the heat-sink with...
..., or memory cards) from the drives, shut down the operating system, and turn off the computer and all power cords from electrical outlets. 38 Lenovo H520sHardware Maintenance Manual Step 8. To replace the heat-sink: Step 1. Step 7. To install the new microprocessor fan: a. Line up the microprocessor fan to the heat-sink with...
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Remove the heat-sink. Step 7. To remove the microprocessor 3 from the system board, press then slide the small handle out to "Replacing the heat-sink". Note: Do not drop anything onto the microprocessor socket while it up. 1 and open the retainer. 2 Attention: Do not touch the gold contacts on the bottom of the microprocessor. Refer to spring it is exposed. When handing the microprocessor, touch only the sides. Step 6. The socket pins must be kept as clean as possible. 40 Lenovo H520sHardware Maintenance Manual
Remove the heat-sink. Step 7. To remove the microprocessor 3 from the system board, press then slide the small handle out to "Replacing the heat-sink". Note: Do not drop anything onto the microprocessor socket while it up. 1 and open the retainer. 2 Attention: Do not touch the gold contacts on the bottom of the microprocessor. Refer to spring it is exposed. When handing the microprocessor, touch only the sides. Step 6. The socket pins must be kept as clean as possible. 40 Lenovo H520sHardware Maintenance Manual
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... reader/audio module Note: For this procedure, it from the Wi-Fi card. To replace the the front USB/card reader/audio module: 42 Lenovo H520sHardware Maintenance Manual Step 2. Step 5. Disconnect all cables attached to the new Wi-Fi card. Remove the computer cover. b. Step 4. Remove the 2 screws that are connected to...
... reader/audio module Note: For this procedure, it from the Wi-Fi card. To replace the the front USB/card reader/audio module: 42 Lenovo H520sHardware Maintenance Manual Step 2. Step 5. Disconnect all cables attached to the new Wi-Fi card. Remove the computer cover. b. Step 4. Remove the 2 screws that are connected to...