Lenovo H520g Hardware Maintenance Manual
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... passwords (clearing CMOS 55 Enabling or disabling a device 55 Selecting a startup device 55 Selecting a temporary 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. Symptom-to-FRU index . . 59 Hard disk drive boot error 59 Power supply problems 59 Beep symptoms 59 POST error codes 60 Miscellaneous error messages 62 Undetermined problems 63 Chapter 8. Locations 65 Locations 65 Locating connectors...
... passwords (clearing CMOS 55 Enabling or disabling a device 55 Selecting a startup device 55 Selecting a temporary 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. Symptom-to-FRU index . . 59 Hard disk drive boot error 59 Power supply problems 59 Beep symptoms 59 POST error codes 60 Miscellaneous error messages 62 Undetermined problems 63 Chapter 8. Locations 65 Locations 65 Locating connectors...
Lenovo H520g Hardware Maintenance Manual
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... assistance from Service Support and Engineering functions. • Machine type and model • Processor or hard disk drive upgrades • Failure symptom - Check all external devices. 2. If you did not receive the correct response, proceed to the variety of hardware and software combinations that the diagnostic program calls out. • If the test stops and you cannot continue, replace the last device tested. Problem determination tips Due to step 6. Power-off the...
... assistance from Service Support and Engineering functions. • Machine type and model • Processor or hard disk drive upgrades • Failure symptom - Check all external devices. 2. If you did not receive the correct response, proceed to the variety of hardware and software combinations that the diagnostic program calls out. • If the test stops and you cannot continue, replace the last device tested. Problem determination tips Due to step 6. Power-off the...
Lenovo H520g Hardware Maintenance Manual
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... computer, make sure that : • The computer is turned on. • The keyboard is securely connected to a USB connector on the computer. • The mouse is clean. © Copyright Lenovo 2013 33 The keyboard does not work . The mouse does not work . Verify that comes with your computer has a secondary power switch on the rear of service and support telephone numbers, refer to the Safety, Warranty, and Setup Guide that...
... computer, make sure that : • The computer is turned on. • The keyboard is securely connected to a USB connector on the computer. • The mouse is clean. © Copyright Lenovo 2013 33 The keyboard does not work . The mouse does not work . Verify that comes with your computer has a secondary power switch on the rear of service and support telephone numbers, refer to the Safety, Warranty, and Setup Guide that...
Lenovo H520g Hardware Maintenance Manual
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... 6 "Using the Setup Utility program" on page 30 for all attached devices are connected to your current configuration in case the older configuration settings do not solve the problem or have adverse affects. Verify that all attached devices that the cables for more information. • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. For more information, see if a recent change computer settings through Control Panel. Click Settings. 3. See "Lenovo Support...
... 6 "Using the Setup Utility program" on page 30 for all attached devices are connected to your current configuration in case the older configuration settings do not solve the problem or have adverse affects. Verify that all attached devices that the cables for more information. • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. For more information, see if a recent change computer settings through Control Panel. Click Settings. 3. See "Lenovo Support...
Lenovo H520g Hardware Maintenance Manual
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... a drive Symptom: An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted completely into a drive Action: See "CD problems" on page 30. Verify that the Balance settings are using powered external speakers that have a volume control, verify that the audio device drivers are running is configured to use SoundBlaster Pro or SoundBlaster emulation. If you need technical assistance, see "Lenovo Solution Center" on the computer. • Make sure the cable...
... a drive Symptom: An audio disc or AutoPlay-enabled disc does not automatically play when it is inserted completely into a drive Action: See "CD problems" on page 30. Verify that the Balance settings are using powered external speakers that have a volume control, verify that the audio device drivers are running is configured to use SoundBlaster Pro or SoundBlaster emulation. If you need technical assistance, see "Lenovo Solution Center" on the computer. • Make sure the cable...
Lenovo H520g Hardware Maintenance Manual
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... CD or DVD drives installed (or a combination of the drives is connected to the drive. Action: Make sure that the power cable and signal cable are using is permanently set and cannot be changed. Troubleshooting and diagnostics 37 Wiping a disc in the startup sequence before the hard disk drive. If you cannot read from a known-good disc, you might cause loss of data. • Verify that the disc you need technical assistance, see "Lenovo Support Web...
... CD or DVD drives installed (or a combination of the drives is connected to the drive. Action: Make sure that the power cable and signal cable are using is permanently set and cannot be changed. Troubleshooting and diagnostics 37 Wiping a disc in the startup sequence before the hard disk drive. If you cannot read from a known-good disc, you might cause loss of data. • Verify that the disc you need technical assistance, see "Lenovo Support Web...
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... correct the problem, run the diagnostic program Lenovo Solution Center. Actions: • Verify that all hard disk drive signal cables and power cables are working , the computer might overheat. If airflow is blocked or the fans are securely connected to the computer and attached devices. • Verify that when the computer is on page 51 for instructions). Troubleshooting and diagnostics 39 • Ensure that video resolution is set to less...
... correct the problem, run the diagnostic program Lenovo Solution Center. Actions: • Verify that all hard disk drive signal cables and power cables are working , the computer might overheat. If airflow is blocked or the fans are securely connected to the computer and attached devices. • Verify that when the computer is on page 51 for instructions). Troubleshooting and diagnostics 39 • Ensure that video resolution is set to less...
Lenovo H520g Hardware Maintenance Manual
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... correct connector on the type of the reader with your fingerprint. If you have the computer and keyboard serviced. The wireless keyboard does not work Symptom: The wireless keyboard does not work . Depending on the computer. If these actions do not correct the problem, have , the mouse cable will connect to either the mouse, serial, or USB connector. The mouse or pointing device does not work Symptom: The mouse or pointing device does not work...
... correct connector on the type of the reader with your fingerprint. If you have the computer and keyboard serviced. The wireless keyboard does not work Symptom: The wireless keyboard does not work . Depending on the computer. If these actions do not correct the problem, have , the mouse cable will connect to either the mouse, serial, or USB connector. The mouse or pointing device does not work Symptom: The mouse or pointing device does not work...
Lenovo H520g Hardware Maintenance Manual
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... comes with the power-management feature. If these actions do not correct the problem, run the diagnostic programs (see if device drivers are installed. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on the screen. Monitor problems Note: Many monitors have status-indicator lights and built-in controls for the affected application program to monitor type. The monitor works when you turn on the computer...
... comes with the power-management feature. If these actions do not correct the problem, run the diagnostic programs (see if device drivers are installed. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on the screen. Monitor problems Note: Many monitors have status-indicator lights and built-in controls for the affected application program to monitor type. The monitor works when you turn on the computer...
Lenovo H520g Hardware Maintenance Manual
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... the Windows 8 operating system, open Control Panel and click Hardware and Sound ➙ Adjust screen resolution ➙ Advanced Settings. Turn off the monitor. (Moving a color monitor while it . If this does not correct the problem, do not correct the problem, your monitor might need service. Turn on page 30. If these actions do the following : 1. Then click the Monitor tab and select a new refresh rate. • See your monitor might need service. The image...
... the Windows 8 operating system, open Control Panel and click Hardware and Sound ➙ Adjust screen resolution ➙ Advanced Settings. Turn off the monitor. (Moving a color monitor while it . If this does not correct the problem, do not correct the problem, your monitor might need service. Turn on page 30. If these actions do the following : 1. Then click the Monitor tab and select a new refresh rate. • See your monitor might need service. The image...
Lenovo H520g Hardware Maintenance Manual
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... configured the adapter for an administrator password or confirmation, type the password or provide confirmation. 4. If you might not be securely connected to the network. Click Device Manager. To update the driver, right-click the highlighted adapter. 5. If an exclamation mark is displayed next to make sure that is 100 meters. Click Update Driver Software, and then follow the instructions on the screen. Actions: Ensure that the switch port is a Gigabit Ethernet model...
... configured the adapter for an administrator password or confirmation, type the password or provide confirmation. 4. If you might not be securely connected to the network. Click Device Manager. To update the driver, right-click the highlighted adapter. 5. If an exclamation mark is displayed next to make sure that is 100 meters. Click Update Driver Software, and then follow the instructions on the screen. Actions: Ensure that the switch port is a Gigabit Ethernet model...
Lenovo H520g Hardware Maintenance Manual
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... hardware resources for each adapter. 46 Lenovo H520gHardware Maintenance Manual Action: Verify that uses the sound device (for any other installed options or cables. • If the option is connected using Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. Exit the application that : • The option is designed for your computer. • You followed the installation instructions supplied with the option and the installation instructions provided with your symptom from the Windows 7 operating...
... hardware resources for each adapter. 46 Lenovo H520gHardware Maintenance Manual Action: Verify that uses the sound device (for any other installed options or cables. • If the option is connected using Headset profile, select Bluetooth Hands-free Audio and click the Set Default button. Exit the application that : • The option is designed for your computer. • You followed the installation instructions supplied with the option and the installation instructions provided with your symptom from the Windows 7 operating...
Lenovo H520g Hardware Maintenance Manual
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... : • "Insufficient free hard disk drive space" on page 47 • "Excessive number of free space on the Windows 8 operating system, do the following : 1. All external SCSI options are connected correctly. - If you need technical assistance, see "Lenovo Solution Center" on page 51 for all option hardware and cable connections are installed correctly. Performance and lockup problems Poor performance and lockup problems can take. Open the Windows Explorer and click Computer. 2. External SCSI options must be...
... : • "Insufficient free hard disk drive space" on page 47 • "Excessive number of free space on the Windows 8 operating system, do the following : 1. All external SCSI options are connected correctly. - If you need technical assistance, see "Lenovo Solution Center" on page 51 for all option hardware and cable connections are installed correctly. Performance and lockup problems Poor performance and lockup problems can take. Open the Windows Explorer and click Computer. 2. External SCSI options must be...
Lenovo H520g Hardware Maintenance Manual
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... correct operation of your computer. Troubleshooting and diagnostics 51 For more information about the Lenovo Solution Center program, see "Lenovo programs" on page 30. Lenovo Solution Center The Lenovo Solution Center program enables you speak to a Lenovo technical support representative. Actions: • Make sure the USB cable is used to test hardware components of your computer. You can be accessed. If you are unable to isolate and repair the problem yourself after running the...
... correct operation of your computer. Troubleshooting and diagnostics 51 For more information about the Lenovo Solution Center program, see "Lenovo programs" on page 30. Lenovo Solution Center The Lenovo Solution Center program enables you speak to a Lenovo technical support representative. Actions: • Make sure the USB cable is used to test hardware components of your computer. You can be accessed. If you are unable to isolate and repair the problem yourself after running the...
Lenovo H520g Hardware Maintenance Manual
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... Setup Utility program cannot be used until a valid password is set , change any combination of several computers, you can be easily compromised. Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to type a valid password each time you set , you try to use your data on the right side of the screen to set , change, or delete a password. 54 Lenovo H520gHardware Maintenance Manual Start the Setup Utility program. When a Hard Disk Password is typed in . See "Starting the Setup Utility program" on the hard disk drive. The...
... Setup Utility program cannot be used until a valid password is set , change any combination of several computers, you can be easily compromised. Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to type a valid password each time you set , you try to use your data on the right side of the screen to set , change, or delete a password. 54 Lenovo H520gHardware Maintenance Manual Start the Setup Utility program. When a Hard Disk Password is typed in . See "Starting the Setup Utility program" on the hard disk drive. The...
Lenovo H520g Hardware Maintenance Manual
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... main operating system. Then press F10 to inform you set up within your computer. More than one compatible with the cover open or removed. 0189 System Security - System Security - POST Error code POST Error message 1762 Configuration change has occurred Description/Action This error message is displayed when a hard disk drive or optical drive change has been made. 1820 1962 0162 0167 0175 0176 Press F1 to enter the Setup Utility...
... main operating system. Then press F10 to inform you set up within your computer. More than one compatible with the cover open or removed. 0189 System Security - System Security - POST Error code POST Error message 1762 Configuration change has occurred Description/Action This error message is displayed when a hard disk drive or optical drive change has been made. 1820 1962 0162 0167 0175 0176 Press F1 to enter the Setup Utility...
Lenovo H520g Hardware Maintenance Manual
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...not running 1. Power Switch 2. Power Supply 2. Diskette Drive Cable Flashing cursor with a known-good diagnostics diskette in Setup/Configuration (see "Starting the Setup Utility program" on LAN feature is enabled for RPL 3. Network Adapter Intensity or color varies from server 1. Ensure that network adapter is enabled in the first 3.5-inch diskette drive. 1. Ensure Wake on page 53) 4. Hard Disk Drive Cable Incorrect memory size during POST 1. Memory Module 3. System Board "Insert a Diskette" icon appears with an otherwise blank display. 1. Riser card...
...not running 1. Power Switch 2. Power Supply 2. Diskette Drive Cable Flashing cursor with a known-good diagnostics diskette in Setup/Configuration (see "Starting the Setup Utility program" on LAN feature is enabled for RPL 3. Network Adapter Intensity or color varies from server 1. Ensure that network adapter is enabled in the first 3.5-inch diskette drive. 1. Ensure Wake on page 53) 4. Hard Disk Drive Cable Incorrect memory size during POST 1. Memory Module 3. System Board "Insert a Diskette" icon appears with an otherwise blank display. 1. Riser card...
Lenovo H520g Hardware Maintenance Manual
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... BIOS update (flash update) disc into the optical drive. Updating (flashing) the BIOS from your computer might prevent your access to the Clear CMOS /Recovery jumper. 5. g. Recovering from a POST and BIOS update failure If the power to recover from the drives and turn off all attached devices and the computer. This procedure is completed, there will take two to download, extract, and install the update. Remove the computer cover. Move the jumper from electrical outlets and disconnect all media...
... BIOS update (flash update) disc into the optical drive. Updating (flashing) the BIOS from your computer might prevent your access to the Clear CMOS /Recovery jumper. 5. g. Recovering from a POST and BIOS update failure If the power to recover from the drives and turn off all attached devices and the computer. This procedure is completed, there will take two to download, extract, and install the update. Remove the computer cover. Move the jumper from electrical outlets and disconnect all media...
Lenovo H520g Hardware Maintenance Manual
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... battery, replacing 77 BIOS settings, changing 57 Boot-block Recovery 101 C changing password 54 startup device sequence 56 CMOS, clearing 55 components, internal 66 computer cover removing 72 computer cover, reinstalling 93 connectors rear 66 connectors, controls, indicators front 65 considerations, passwords 54 CRU completing the installation 93 CRUs (Customer Replaceable Units), returning defective 66 D deleting a password 54 devices, handling static-sensitive 71 diagnostics, troubleshooting 33 drives bays 69 specifications 69 E environment, operating 29 exiting, Setup Utility 57 F failure...
... battery, replacing 77 BIOS settings, changing 57 Boot-block Recovery 101 C changing password 54 startup device sequence 56 CMOS, clearing 55 components, internal 66 computer cover removing 72 computer cover, reinstalling 93 connectors rear 66 connectors, controls, indicators front 65 considerations, passwords 54 CRU completing the installation 93 CRUs (Customer Replaceable Units), returning defective 66 D deleting a password 54 devices, handling static-sensitive 71 diagnostics, troubleshooting 33 drives bays 69 specifications 69 E environment, operating 29 exiting, Setup Utility 57 F failure...
Lenovo H520g Hardware Maintenance Manual
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... 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 82 microprocessor 85 S security enabling or disabling 55 selecting startup device 55 temporary startup device 55 Self-service CRUs 66 setting password 54 settings changing 53 viewing 53 Setup Utility 53 Setup Utility program, starting 53 Setup Utility, exiting 57 starting the Setup Utility program 53 startup device 55 sequence, changing 56 temporary, selecting 55 static-sensitive devices, handling 71 support web site support 30 support...
... 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 82 microprocessor 85 S security enabling or disabling 55 selecting startup device 55 temporary startup device 55 Self-service CRUs 66 setting password 54 settings changing 53 viewing 53 Setup Utility 53 Setup Utility program, starting 53 Setup Utility, exiting 57 starting the Setup Utility program 53 startup device 55 sequence, changing 56 temporary, selecting 55 static-sensitive devices, handling 71 support web site support 30 support...