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... and lockup problems . . . . . 47 Printer problems 49 Serial port problems 49 Software problems 50 USB problems 51 Diagnostics 51 Lenovo Solution Center 51 Chapter 6. Safety information 3 General safety 3 Electrical safety 3 Voltage-selection switch 5 Safety inspection guide 5 Handling electrostatic ...startup device . . . . 55 Selecting or changing the startup device sequence 56 Enabling ErP compliance mode 56 Changing the BIOS settings before installing a new operating system 57 Exiting the Setup Utility program 57 Chapter 7. Replacing FRUs 71 Handling static-sensitive...
... and lockup problems . . . . . 47 Printer problems 49 Serial port problems 49 Software problems 50 USB problems 51 Diagnostics 51 Lenovo Solution Center 51 Chapter 6. Safety information 3 General safety 3 Electrical safety 3 Voltage-selection switch 5 Safety inspection guide 5 Handling electrostatic ...startup device . . . . 55 Selecting or changing the startup device sequence 56 Enabling ErP compliance mode 56 Changing the BIOS settings before installing a new operating system 57 Exiting the Setup Utility program 57 Chapter 7. Replacing FRUs 71 Handling static-sensitive...
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FRU lists 95 Chapter 11. Notices 103 Television output notice 104 European conformance CE mark 104 Trademarks 104 Index 105 ii Lenovo H520gHardware Maintenance Manual Replacing the microprocessor 85 Replacing the system board 88 Replacing the primary hard disk drive . . . ...99 Operating system password 99 Vital Product Data 99 BIOS levels 99 Flash update procedures 99 Updating (flashing) the BIOS from a disc. . . 100 Updating (flashing) the BIOS from your operating system 101 Recovering from a POST and BIOS update failure 101 Power management 102 Advanced Configuration and ...
FRU lists 95 Chapter 11. Notices 103 Television output notice 104 European conformance CE mark 104 Trademarks 104 Index 105 ii Lenovo H520gHardware Maintenance Manual Replacing the microprocessor 85 Replacing the system board 88 Replacing the primary hard disk drive . . . ...99 Operating system password 99 Vital Product Data 99 BIOS levels 99 Flash update procedures 99 Updating (flashing) the BIOS from a disc. . . 100 Updating (flashing) the BIOS from your operating system 101 Recovering from a POST and BIOS update failure 101 Power management 102 Advanced Configuration and ...
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... if a problem or conflict is installed on the system. A down-level BIOS might have this information available when requesting assistance from Service Support and Engineering functions...error is displayed, turn off the computer and all display controls to determine and obtain the latest level BIOS, see "BIOS levels" on page 51. • If you are servicing might have been rearranged or the drive...as copying, saving, or formatting. Chapter 4. For the explanation of BIOS is found by an application program, the operating system, or both. Is the failure repeatable? © Copyright...
... if a problem or conflict is installed on the system. A down-level BIOS might have this information available when requesting assistance from Service Support and Engineering functions...error is displayed, turn off the computer and all display controls to determine and obtain the latest level BIOS, see "BIOS levels" on page 51. • If you are servicing might have been rearranged or the drive...as copying, saving, or formatting. Chapter 4. For the explanation of BIOS is found by an application program, the operating system, or both. Is the failure repeatable? © Copyright...
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... the same configuration options set -up between "working and non-working , what changes were made prior to problem resolution. 32 Lenovo H520gHardware Maintenance Manual Type and version level • Hardware configuration - Have the same adapters/attachments in use - Have the same... setup for operating-system-controlled files Comparing the configuration and software set in the system 8. BIOS level • Operating system software - Have the same diagnostic diskettes (version) 7. Are the exact machine type and models 2. Print...
... the same configuration options set -up between "working and non-working , what changes were made prior to problem resolution. 32 Lenovo H520gHardware Maintenance Manual Type and version level • Hardware configuration - Have the same adapters/attachments in use - Have the same... setup for operating-system-controlled files Comparing the configuration and software set in the system 8. BIOS level • Operating system software - Have the same diagnostic diskettes (version) 7. Are the exact machine type and models 2. Print...
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... To restore a captured configuration, do not solve the problem or have adverse affects. See "Lenovo Support Web site" on page 30 for more information about accessing and changing the BIOS settings, refer to the "Troubleshooting" on the Windows 8 operating system On the Windows operating.... Action Verify that the cables for diagnosing problems you are experiencing with the next step. 6. For more information. 34 Lenovo H520gHardware Maintenance Manual Verify that no keys are connected correctly and securely. 2. If the Troubleshooting information does not help you ...
... To restore a captured configuration, do not solve the problem or have adverse affects. See "Lenovo Support Web site" on page 30 for more information about accessing and changing the BIOS settings, refer to the "Troubleshooting" on the Windows 8 operating system On the Windows operating.... Action Verify that the cables for diagnosing problems you are experiencing with the next step. 6. For more information. 34 Lenovo H520gHardware Maintenance Manual Verify that no keys are connected correctly and securely. 2. If the Troubleshooting information does not help you ...
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...connector. Chapter 5. Depending on the type of mouse you need technical assistance, see "Lenovo Solution Center" on page 30. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 51 for instructions). Action: If the Transceiver Communications ...surface of dirt, oils, and other contaminants on page 30 for the mouse or pointing device are enabled in the BIOS settings. Troubleshooting and diagnostics 41 See "Lenovo Support Web site" on the ball inside the mouse. Actions: • Verify that the mouse or pointing-device ...
...connector. Chapter 5. Depending on the type of mouse you need technical assistance, see "Lenovo Solution Center" on page 30. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 51 for instructions). Action: If the Transceiver Communications ...surface of dirt, oils, and other contaminants on page 30 for the mouse or pointing device are enabled in the BIOS settings. Troubleshooting and diagnostics 41 See "Lenovo Support Web site" on the ball inside the mouse. Actions: • Verify that the mouse or pointing-device ...
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... that your wireless LAN driver is , check with your LAN administrator for the necessary settings. Actions: • Make sure that WOL is enabled in the BIOS Setup Utility program. • If it connects at 100 Mbps. Check the Web site and verify the driver version supported by double-clicking the Access...
... that your wireless LAN driver is , check with your LAN administrator for the necessary settings. Actions: • Make sure that WOL is enabled in the BIOS Setup Utility program. • If it connects at 100 Mbps. Check the Web site and verify the driver version supported by double-clicking the Access...
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... option. • Make sure that comes with your operating system, application program, or BIOS settings. Refer to the documentation for instructions). If you need technical assistance, see "Lenovo Support Web site" on page 30. Actions: Verify that any software supplied with the ...devices attached to the serial device. If you need technical assistance, see "Lenovo Support Web site" on page 30. Note: Non-IEEE-approved printer signal cables might cause unpredictable problems. 1. For information about BIOS settings, see Chapter 6 "Using the Setup Utility program" on page 53...
... option. • Make sure that comes with your operating system, application program, or BIOS settings. Refer to the documentation for instructions). If you need technical assistance, see "Lenovo Support Web site" on page 30. Actions: Verify that any software supplied with the ...devices attached to the serial device. If you need technical assistance, see "Lenovo Support Web site" on page 30. Note: Non-IEEE-approved printer signal cables might cause unpredictable problems. 1. For information about BIOS settings, see Chapter 6 "Using the Setup Utility program" on page 53...
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...Utility program To start the Setup Utility program. See "Starting the Setup Utility program" on the computer. The following sections. © Copyright Lenovo 2013 53 However, the operating system settings might override any passwords, read the following types of the following : 1. Repeatedly press and release... enter the Setup Utility program, select Save Changes and Exit at the bottom of the screen. The keys used to navigate through BIOS menu choices. If you type the correct password. Note: If a Power-On Password or an Administrator Password has been set passwords...
...Utility program To start the Setup Utility program. See "Starting the Setup Utility program" on the computer. The following sections. © Copyright Lenovo 2013 53 However, the operating system settings might override any passwords, read the following types of the following : 1. Repeatedly press and release... enter the Setup Utility program, select Save Changes and Exit at the bottom of the screen. The keys used to navigate through BIOS menu choices. If you type the correct password. Note: If a Power-On Password or an Administrator Password has been set passwords...
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Press F10 to save changes and exit the Setup Utility program. Changing the BIOS settings before installing a new operating system. Change the BIOS settings before installing a new operating system BIOS settings vary by operating system. Press F10 to be installed, do the following: 1. Do one of the following : • ... to save changes and exit the Setup Utility program. See "Starting the Setup Utility program" on page 57. Chapter 6. To change the BIOS settings, do one of the following : • If you want to save the new settings, press F10 to save and exit the ...
Press F10 to save changes and exit the Setup Utility program. Changing the BIOS settings before installing a new operating system. Change the BIOS settings before installing a new operating system BIOS settings vary by operating system. Press F10 to be installed, do the following: 1. Do one of the following : • ... to save changes and exit the Setup Utility program. See "Starting the Setup Utility program" on page 57. Chapter 6. To change the BIOS settings, do one of the following : • If you want to save the new settings, press F10 to save and exit the ...
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...not appear on the screen the next time you power-on page 101. Then press F10 to save and exit the Setup Utility program. 60 Lenovo H520gHardware Maintenance Manual Then press F10 to Save and exit. The following tables describes beep symptoms. Beep Symptom 2 short beeps CMOS setting error 3... decreased Note: If the problem is called the Power-On Self-Test, or POST. Perform a Boot-block recovery. See "Recovering from a POST and BIOS update failure" on the system, it performs a series of tests that the boot drive is invalid. Perform the following actions in the connector(s). 2. When...
...not appear on the screen the next time you power-on page 101. Then press F10 to save and exit the Setup Utility program. 60 Lenovo H520gHardware Maintenance Manual Then press F10 to Save and exit. The following tables describes beep symptoms. Beep Symptom 2 short beeps CMOS setting error 3... decreased Note: If the problem is called the Power-On Self-Test, or POST. Perform a Boot-block recovery. See "Recovering from a POST and BIOS update failure" on the system, it performs a series of tests that the boot drive is invalid. Perform the following actions in the connector(s). 2. When...
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... information about passwords, see "Flash update procedures" on the system board. Operating system password Note: This section applies only to flash (update) the BIOS. © Copyright Lenovo 2013 99 Lenovo Customer Support Center 3. After you replace the system board, the VPD must be updated. To update the VPD, see "Using passwords" on password...
... information about passwords, see "Flash update procedures" on the system board. Operating system password Note: This section applies only to flash (update) the BIOS. © Copyright Lenovo 2013 99 Lenovo Customer Support Center 3. After you replace the system board, the VPD must be updated. To update the VPD, see "Using passwords" on password...
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... Startup Device Menu window opens, release F12. 6. The update begins. 7. Select Yes in the window displayed and press Enter to http://www.lenovo.com/support. After the update is suggested that you do not make this change by pressing N. Select Yes in the window displayed and press Enter...if you do want to change the serial number, press Y, and then type in the serial number and press Enter. 8. To update (flash) the BIOS from a disc on other operating systems. Note: You can download a self-starting bootable disc image (known as an ISO image) with the system ...
... Startup Device Menu window opens, release F12. 6. The update begins. 7. Select Yes in the window displayed and press Enter to http://www.lenovo.com/support. After the update is suggested that you do not make this change by pressing N. Select Yes in the window displayed and press Enter...if you do want to change the serial number, press Y, and then type in the serial number and press Enter. 8. To update (flash) the BIOS from a disc on other operating systems. Note: You can download a self-starting bootable disc image (known as an ISO image) with the system ...
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..." on page 68. 4. Then, the recovery session begins. During this happens, perform the following procedure. Move the jumper back to http://www.lenovo.com/support. 2. Reinstall the computer cover and reconnect power cords and all media from the standard position (pin 1 and pin 2) to the ...all cables that have been removed or disconnected. 13. Reinstall the computer cover and reconnect the power cords for updating (flashing) the BIOS from your operating system. 4. d. Reinstall any parts and reconnect any cables that contains the instructions for the computer and monitor. See ...
..." on page 68. 4. Then, the recovery session begins. During this happens, perform the following procedure. Move the jumper back to http://www.lenovo.com/support. 2. Reinstall the computer cover and reconnect power cords and all media from the standard position (pin 1 and pin 2) to the ...all cables that have been removed or disconnected. 13. Reinstall the computer cover and reconnect the power cords for updating (flashing) the BIOS from your operating system. 4. d. Reinstall any parts and reconnect any cables that contains the instructions for the computer and monitor. See ...
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...In the Shutdown setting section, clear Turn on automatically. Click Hardware and Sound ➙ Power Options. 3. Advanced Configuration and Power Interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is remote network management software, you set Wake on LAN to control the power management features of the computer such...: If the computer has a properly configured token-ring or Ethernet LAN adapter card that are currently unavailable. 5. Not all operating systems support ACPI BIOS mode. Click Save changes. 102 Lenovo H520gHardware Maintenance Manual 14.
...In the Shutdown setting section, clear Turn on automatically. Click Hardware and Sound ➙ Power Options. 3. Advanced Configuration and Power Interface (ACPI) BIOS Being an ACPI BIOS system, the operating system is remote network management software, you set Wake on LAN to control the power management features of the computer such...: If the computer has a properly configured token-ring or Ethernet LAN adapter card that are currently unavailable. 5. Not all operating systems support ACPI BIOS mode. Click Save changes. 102 Lenovo H520gHardware Maintenance Manual 14.
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... 101 flashing the BIOS 100 front connectors, controls, indicators 65 front audio and USB assembly, replacing 92 front bezel front bezel, removing 73 front bezel, reinstalling 73 FRU locations 66 © Copyright Lenovo 2013 FRU part numbers 1, 65 FRUs, replacing 71 H hard disk drive, ... heat sink and fan assembly, replacing 82 I Identifying FRUs 66 installing operating system 57 installing options memory module 78 PCI card 74 L Lenovo Solution Center 51 locating components 66 looking up part numbers 1, 65 M memory module installing, replacing 78 system board 78 microprocessor replacing 85...
... 101 flashing the BIOS 100 front connectors, controls, indicators 65 front audio and USB assembly, replacing 92 front bezel front bezel, removing 73 front bezel, reinstalling 73 FRU locations 66 © Copyright Lenovo 2013 FRU part numbers 1, 65 FRUs, replacing 71 H hard disk drive, ... heat sink and fan assembly, replacing 82 I Identifying FRUs 66 installing operating system 57 installing options memory module 78 PCI card 74 L Lenovo Solution Center 51 locating components 66 looking up part numbers 1, 65 M memory module installing, replacing 78 system board 78 microprocessor replacing 85...
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Power-On, Password 54 R rear connectors 66 recovering from a POST and BIOS update failure 101 recovery Boot-block Recovery 101 removing computer cover 72 replacing battery 77 hard disk drive 90 heat sink and fan assembly ... board connectors 68 locating parts 68 locations 68 memory module 78 T temporary startup device 55 the BIOS, updating (flashing) 100-101 troubleshooting, basic 33 troubleshooting, diagnostics 33 U updating (flashing) the BIOS 100 updating (flashing) the BIOS 101 106 Lenovo H520gHardware Maintenance Manual using passwords 53 Setup Utility 53 V viewing and changing settings 53
Power-On, Password 54 R rear connectors 66 recovering from a POST and BIOS update failure 101 recovery Boot-block Recovery 101 removing computer cover 72 replacing battery 77 hard disk drive 90 heat sink and fan assembly ... board connectors 68 locating parts 68 locations 68 memory module 78 T temporary startup device 55 the BIOS, updating (flashing) 100-101 troubleshooting, basic 33 troubleshooting, diagnostics 33 U updating (flashing) the BIOS 100 updating (flashing) the BIOS 101 106 Lenovo H520gHardware Maintenance Manual using passwords 53 Setup Utility 53 V viewing and changing settings 53