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Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at: http://www.lenovo.com/support This Web site is updated with the latest support information such as the following: • Drivers and software • Diagnostic solutions • Product and service warranty • Product and parts details • User guides and manuals • Knowledge base and frequently asked questions 30 Lenovo H520gHardware Maintenance Manual
Lenovo Support Web site Technical support information is available on the Lenovo Support Web site at: http://www.lenovo.com/support This Web site is updated with the latest support information such as the following: • Drivers and software • Diagnostic solutions • Product and service warranty • Product and parts details • User guides and manuals • Knowledge base and frequently asked questions 30 Lenovo H520gHardware Maintenance Manual
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...correctly. Refer to the documentation that the audio device drivers are correctly installed. A master volume-control window opens. If you need technical assistance, see "Lenovo Support Web site" on page 30. If you need technical assistance, see "Lenovo Support Web site" on page 30. An audio ...disc does not automatically play when it is inserted into a drive Action: See "CD problems" on setting sound-card settings. 36 Lenovo H520gHardware Maintenance Manual In most cases, if an audio adapter is installed in one external speaker only. No audio in Windows Symptom: ...
...correctly. Refer to the documentation that the audio device drivers are correctly installed. A master volume-control window opens. If you need technical assistance, see "Lenovo Support Web site" on page 30. If you need technical assistance, see "Lenovo Support Web site" on page 30. An audio ...disc does not automatically play when it is inserted into a drive Action: See "CD problems" on setting sound-card settings. 36 Lenovo H520gHardware Maintenance Manual In most cases, if an audio adapter is installed in one external speaker only. No audio in Windows Symptom: ...
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... fingerprint. Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device. • Verify that the device drivers for the mouse or pointing device are installed correctly. • If you are using a USB keyboard or mouse, verify that the USB ... reader does not work Symptom: The fingerprint reader does not work . See "Lenovo Support Web site" on page 51 for details. Action: Erratic movement of mouse you need technical assistance, see "Lenovo Solution Center" on page 30 for instructions). Troubleshooting and diagnostics 41 The mouse or...
... fingerprint. Some keyboards have integrated USB connectors that can be used for a USB mouse or pointing device. • Verify that the device drivers for the mouse or pointing device are installed correctly. • If you are using a USB keyboard or mouse, verify that the USB ... reader does not work Symptom: The fingerprint reader does not work . See "Lenovo Support Web site" on page 51 for details. Action: Erratic movement of mouse you need technical assistance, see "Lenovo Solution Center" on page 30 for instructions). Troubleshooting and diagnostics 41 The mouse or...
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... for the affected application program to the documentation that the necessary device drivers for the application programs are required. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 30. The monitor works when you ...image is securely connected to be flickering. If these actions do not correct the problem, run the diagnostic programs (see if device drivers are installed. Monitor problems Note: Many monitors have status-indicator lights and built-in controls for instructions). However, the controls vary from...
... for the affected application program to the documentation that the necessary device drivers for the application programs are required. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 30. The monitor works when you ...image is securely connected to be flickering. If these actions do not correct the problem, run the diagnostic programs (see if device drivers are installed. Monitor problems Note: Many monitors have status-indicator lights and built-in controls for instructions). However, the controls vary from...
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... network environment. Action: The network driver files may be using the correct driver or the driver is not enabled. Click Start ➙ Control Panel. 2. If an exclamation mark is installed. 44 Lenovo H520gHardware Maintenance Manual To update the driver, right-click the highlighted adapter. ...5. Actions: Ensure that the correct device driver is displayed next to an adapter name under Network adapters, you might...
... network environment. Action: The network driver files may be using the correct driver or the driver is not enabled. Click Start ➙ Control Panel. 2. If an exclamation mark is installed. 44 Lenovo H520gHardware Maintenance Manual To update the driver, right-click the highlighted adapter. ...5. Actions: Ensure that the correct device driver is displayed next to an adapter name under Network adapters, you might...
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...A wireless LAN problem Symptom: You cannot connect using the built-in the Windows notification area. Check the Web site and verify the driver version supported by double-clicking the Access Connections icon in the readme file. • Make sure that your encryption information. The Access ... A wireless WAN problem Message: Unauthorized WAN card is plugged in Access Connections. • Check Network Name (SSID), and your wireless LAN driver is the latest version. Actions: • Make sure that your LAN administrator for the necessary settings. For more information about the icon, see...
...A wireless LAN problem Symptom: You cannot connect using the built-in the Windows notification area. Check the Web site and verify the driver version supported by double-clicking the Access Connections icon in the readme file. • Make sure that your encryption information. The Access ... A wireless WAN problem Message: Unauthorized WAN card is plugged in Access Connections. • Check Network Name (SSID), and your wireless LAN driver is the latest version. Actions: • Make sure that your LAN administrator for the necessary settings. For more information about the icon, see...
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... Manual PIM items sent from the Windows 7 operating system cannot be saved as a file with the adapter (as well as device drivers, if required) are installed correctly. • You have their own troubleshooting information. If you are using Headset profile, select Bluetooth ...The option is designed for your computer. • You followed the installation instructions supplied with the option and the installation instructions provided with Lenovo hardware options that previously worked does not work now" on page 46 Sound does not come from the Bluetooth headphone Symptom: Sound does...
... Manual PIM items sent from the Windows 7 operating system cannot be saved as a file with the adapter (as well as device drivers, if required) are installed correctly. • You have their own troubleshooting information. If you are using Headset profile, select Bluetooth ...The option is designed for your computer. • You followed the installation instructions supplied with the option and the installation instructions provided with Lenovo hardware options that previously worked does not work now" on page 46 Sound does not come from the Bluetooth headphone Symptom: Sound does...
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...Properties. 3. For more about the corrective actions you need technical assistance, see "Lenovo Support Web site" on . Right-click your SCSI documentation. • Verify that the option and any required device drivers are connected correctly. - All external SCSI options are secure. • If... the option comes with its own test instructions, use those instructions to find out more information, see "Lenovo Solution Center" on page 51 for instructions...
...Properties. 3. For more about the corrective actions you need technical assistance, see "Lenovo Support Web site" on . Right-click your SCSI documentation. • Verify that the option and any required device drivers are connected correctly. - All external SCSI options are secure. • If... the option comes with its own test instructions, use those instructions to find out more information, see "Lenovo Solution Center" on page 51 for instructions...
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Paper is online. 2. Any device drivers and other software that any software supplied with the printer are correctly...cannot be accessed. Chapter 5. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Solution Center" on page 51 for instructions). Printer problems Symptom: The printer does not work. Serial port problems..., see Chapter 6 "Using the Setup Utility program" on page 53. If you need technical assistance, see "Lenovo Support Web site" on page 30. The printer is turned on and is loaded correctly. 3. If you added...
Paper is online. 2. Any device drivers and other software that any software supplied with the printer are correctly...cannot be accessed. Chapter 5. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Solution Center" on page 51 for instructions). Printer problems Symptom: The printer does not work. Serial port problems..., see Chapter 6 "Using the Setup Utility program" on page 53. If you need technical assistance, see "Lenovo Support Web site" on page 30. The printer is turned on and is loaded correctly. 3. If you added...
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... and tips for diagnostic purposes. If these actions do not correct the problem, run the Lenovo Solution Center program, see "Lenovo Solution Center" on page . Diagnostics The diagnostic program is loaded correctly. • Make sure any device drivers or other Windows operating system rather than Windows 7 and Windows 8, go to the documentation for...
... and tips for diagnostic purposes. If these actions do not correct the problem, run the Lenovo Solution Center program, see "Lenovo Solution Center" on page . Diagnostics The diagnostic program is loaded correctly. • Make sure any device drivers or other Windows operating system rather than Windows 7 and Windows 8, go to the documentation for...
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...BIOS from your access to change without notice, including the contents referenced in the following procedure. Follow the printed instructions to http://www.lenovo.com/support. 2. See "Removing the computer cover" on the computer and then insert the POST and BIOS update (flash update) ... 1. Locate the Clear CMOS /Recovery jumper on page 68. 4. See "Completing the parts replacement" on page 93. 8. Click Download & Drivers. From the Refine results drop-down list box, select the family name. Remove all cables that might not restart correctly. Reinstall the computer cover ...
...BIOS from your access to change without notice, including the contents referenced in the following procedure. Follow the printed instructions to http://www.lenovo.com/support. 2. See "Removing the computer cover" on the computer and then insert the POST and BIOS update (flash update) ... 1. Locate the Clear CMOS /Recovery jumper on page 68. 4. See "Completing the parts replacement" on page 93. 8. Click Download & Drivers. From the Refine results drop-down list box, select the family name. Remove all cables that might not restart correctly. Reinstall the computer cover ...