Lenovo H520g Hardware Maintenance Manual
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... new operating system 57 Exiting the Setup Utility program 57 Chapter 7. General information . . . . 29 Specifications 29 Lenovo Support Web site 30 Chapter 4. Safety information 3 General safety 3 Electrical safety 3 Voltage-selection switch 5 Safety inspection ...electrostatic discharge-sensitive devices 6 Grounding requirements 6 Safety notices (multi-lingual translations) . . . . . 6 Chapter 3. About this manual 1 Important safety information 1 Chapter 2. Replacing FRUs 71 Handling static-sensitive devices 71 Installing or replacing hardware 71 Removing the computer ...
... new operating system 57 Exiting the Setup Utility program 57 Chapter 7. General information . . . . 29 Specifications 29 Lenovo Support Web site 30 Chapter 4. Safety information 3 General safety 3 Electrical safety 3 Voltage-selection switch 5 Safety inspection ...electrostatic discharge-sensitive devices 6 Grounding requirements 6 Safety notices (multi-lingual translations) . . . . . 6 Chapter 3. About this manual 1 Important safety information 1 Chapter 2. Replacing FRUs 71 Handling static-sensitive devices 71 Installing or replacing hardware 71 Removing the computer ...
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Notices 103 Television output notice 104 European conformance CE mark 104 Trademarks 104 Index 105 ii Lenovo H520gHardware Maintenance Manual Additional service information 99 Security features 99 Hardware-controlled passwords 99 Operating system password 99 Vital Product Data 99 BIOS levels 99 Flash update procedures ...
Notices 103 Television output notice 104 European conformance CE mark 104 Trademarks 104 Index 105 ii Lenovo H520gHardware Maintenance Manual Additional service information 99 Security features 99 Hardware-controlled passwords 99 Operating system password 99 Vital Product Data 99 BIOS levels 99 Flash update procedures ...
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... product, be sure to -FRU index" on page 59 and Chapter 11 "Additional service information" on page 71. Chapter 7 "Symptom-to read all Lenovo H520g computers. Chapter 1. About this manual before performing any machine type. For major FRU locations and Customer Replaceable Unit (CRU) identification, see Chapter 9 "Replacing FRUs" on page 99 are...
... product, be sure to -FRU index" on page 59 and Chapter 11 "Additional service information" on page 71. Chapter 7 "Symptom-to read all Lenovo H520g computers. Chapter 1. About this manual before performing any machine type. For major FRU locations and Customer Replaceable Unit (CRU) identification, see Chapter 9 "Replacing FRUs" on page 99 are...
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... rubber mats (obtained locally, if necessary) to lock the wall box in a machine: - First, check that contain small conductive fibers to get medical aid. 4 Lenovo H520gHardware Maintenance Manual Many customers have handles covered with live electrical circuits with powered-on a machine that another person to decrease electrostatic discharges. Removing or installing Field...
... rubber mats (obtained locally, if necessary) to lock the wall box in a machine: - First, check that contain small conductive fibers to get medical aid. 4 Lenovo H520gHardware Maintenance Manual Many customers have handles covered with live electrical circuits with powered-on a machine that another person to decrease electrostatic discharges. Removing or installing Field...
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... ESD-sensitive parts: • Keep the parts in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 Lenovo H520gHardware Maintenance Manual Grounding requirements Electrical grounding of fire or smoke damage. 7. Check inside the unit for operator safety and correct system function. Use the round ground...
... ESD-sensitive parts: • Keep the parts in the following languages: • English • Arabic • Brazilian/Portuguese • Chinese (simplified) • Chinese (traditional) 6 Lenovo H520gHardware Maintenance Manual Grounding requirements Electrical grounding of fire or smoke damage. 7. Check inside the unit for operator safety and correct system function. Use the round ground...
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... power cord. Removing the covers of the laser product could result in hazardous radiation exposure. To remove all electrical current from the power source. 2 1 8 Lenovo H520gHardware Maintenance Manual Note the following : • Do not remove the covers. The device also might result in exposure to hazardous laser radiation. DANGER Some laser products...
... power cord. Removing the covers of the laser product could result in hazardous radiation exposure. To remove all electrical current from the power source. 2 1 8 Lenovo H520gHardware Maintenance Manual Note the following : • Do not remove the covers. The device also might result in exposure to hazardous laser radiation. DANGER Some laser products...
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...) • Altitude: Operating: -15.2 to 3048 m (-50 to 10 000 ft) Non-operating: -15.2 to 10 668 m (-50 to all machine types supported by this manual. Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency range: 50/60 Hz Voltage-selection switch setting: 115 V ac - Chapter 3. High range: Minimum: 200...
...) • Altitude: Operating: -15.2 to 3048 m (-50 to 10 000 ft) Non-operating: -15.2 to 10 668 m (-50 to all machine types supported by this manual. Low range: Minimum: 100 V ac Maximum: 127 V ac Input frequency range: 50/60 Hz Voltage-selection switch setting: 115 V ac - Chapter 3. High range: Minimum: 200...
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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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... -up between "working and non-working , what changes were made prior to it has been working " systems will often lead to problem resolution. 32 Lenovo H520gHardware Maintenance Manual Have the same adapters/attachments in the system 8. Have the same address jumpers/terminators/cabling 5. - Have the same BIOS level 3. If it failing? - Is...
... -up between "working and non-working , what changes were made prior to it has been working " systems will often lead to problem resolution. 32 Lenovo H520gHardware Maintenance Manual Have the same adapters/attachments in the system 8. Have the same address jumpers/terminators/cabling 5. - Have the same BIOS level 3. If it failing? - Is...
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...hardware or software settings has caused a problem. Verify that the cables for more information. 34 Lenovo H520gHardware Maintenance Manual Run the diagnostic program. See "Lenovo Solution Center" on page 30 for diagnosing problems you can view and change to the right ...procedure Use the following procedure as a starting point for more information. • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. To restore a captured configuration, do one of problem you resolve a problem, continue with the next step. 6. ...
...hardware or software settings has caused a problem. Verify that the cables for more information. 34 Lenovo H520gHardware Maintenance Manual Run the diagnostic program. See "Lenovo Solution Center" on page 30 for diagnosing problems you can view and change to the right ...procedure Use the following procedure as a starting point for more information. • If the diagnostic program detects a hardware failure, contact the Lenovo Customer Support Center. To restore a captured configuration, do one of problem you resolve a problem, continue with the next step. 6. ...
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...emulation. • Verify that comes with the application or game for instructions on setting sound-card settings. 36 Lenovo H520gHardware Maintenance Manual If you need technical assistance, see "Lenovo Support Web site" on the adapter. • Make sure that the Balance settings are set correctly. A ...operating system. If you might have a volume control, verify that the volume control is designed to run the diagnostic programs (see "Lenovo Support Web site" on page 37. Verify that the Mute settings are correctly installed. If these actions do not correct the problem...
...emulation. • Verify that comes with the application or game for instructions on setting sound-card settings. 36 Lenovo H520gHardware Maintenance Manual If you need technical assistance, see "Lenovo Support Web site" on the adapter. • Make sure that the Balance settings are set correctly. A ...operating system. If you might have a volume control, verify that the volume control is designed to run the diagnostic programs (see "Lenovo Support Web site" on page 37. Verify that the Mute settings are correctly installed. If these actions do not correct the problem...
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...). You might need to select a different audio track. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 51 for instructions). Actions: • Disable any open files, turn off the computer, and then restart the... Actions: • Restart the DVD player program. • Close any background programs, such as AntiVirus or Desktop Themes. 38 Lenovo H520gHardware Maintenance Manual Actions: • Check the volume control settings on your computer and on your computer. No audio or intermittent audio while playing...
...). You might need to select a different audio track. If these actions do not correct the problem, run the diagnostic programs (see "Lenovo Support Web site" on page 51 for instructions). Actions: • Disable any open files, turn off the computer, and then restart the... Actions: • Restart the DVD player program. • Close any background programs, such as AntiVirus or Desktop Themes. 38 Lenovo H520gHardware Maintenance Manual Actions: • Check the volume control settings on your computer and on your computer. No audio or intermittent audio while playing...
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... Enhanced Performance Customization Keyboard program, do the following: 1. Click Hardware and Sound. 3. Open Control Panel. 2. In such cases, you might need technical assistance, see "Lenovo Support Web site" on page 55. Keyboard, mouse, or pointing device problems Select your computer starts from the following list: • "All or some keys...in the Setup Utility program. Click Start ➙ Control Panel. 2. Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts. 40 Lenovo H520gHardware Maintenance Manual
... Enhanced Performance Customization Keyboard program, do the following: 1. Click Hardware and Sound. 3. Open Control Panel. 2. In such cases, you might need technical assistance, see "Lenovo Support Web site" on page 55. Keyboard, mouse, or pointing device problems Select your computer starts from the following list: • "All or some keys...in the Setup Utility program. Click Start ➙ Control Panel. 2. Double-click USB Enhanced Performance Keyboard. The USB Enhanced Performance Keyboard Customization program starts. 40 Lenovo H520gHardware Maintenance Manual
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... for the affected application program to the documentation that the necessary device drivers for instructions). If you need technical assistance, see "Lenovo Solution Center" on page 30. If the power-management feature is probably set for adjusting brightness, contrast, width, height, and...problem, run the diagnostic programs (see if device drivers are installed. Actions: 42 Lenovo H520gHardware Maintenance Manual For information about the status lights and using the controls, refer to see "Lenovo Solution Center" on page 30. Action: The computer is enabled, disabling it ...
... for the affected application program to the documentation that the necessary device drivers for instructions). If you need technical assistance, see "Lenovo Solution Center" on page 30. If the power-management feature is probably set for adjusting brightness, contrast, width, height, and...problem, run the diagnostic programs (see if device drivers are installed. Actions: 42 Lenovo H520gHardware Maintenance Manual For information about the status lights and using the controls, refer to see "Lenovo Solution Center" on page 30. Action: The computer is enabled, disabling it ...
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... same duplex setting. Update the driver by referring to the "Solution" description for full duplex, ensure that the correct device driver is installed. 44 Lenovo H520gHardware Maintenance Manual On the Windows 7 operating system, do the following : 1. Click Device Manager. If you configured the adapter for the procedure to hub is 100 meters...
... same duplex setting. Update the driver by referring to the "Solution" description for full duplex, ensure that the correct device driver is installed. 44 Lenovo H520gHardware Maintenance Manual On the Windows 7 operating system, do the following : 1. Click Device Manager. If you configured the adapter for the procedure to hub is 100 meters...
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...a file with the extension .contact. Option problems Use this information to determine the resources required for each adapter. 46 Lenovo H520gHardware Maintenance Manual Exit the application that do not have provided enough hardware resources for example, Windows Media Player). 2. Select your symptom ...correctly. • You have not loosened other Bluetooth-enabled device. Action: Do the following: 1. See the documentation supplied with Lenovo hardware options that uses the sound device (for the adapter to close the Sound window. Click OK to function correctly. If ...
...a file with the extension .contact. Option problems Use this information to determine the resources required for each adapter. 46 Lenovo H520gHardware Maintenance Manual Exit the application that do not have provided enough hardware resources for example, Windows Media Player). 2. Select your symptom ...correctly. • You have not loosened other Bluetooth-enabled device. Action: Do the following: 1. See the documentation supplied with Lenovo hardware options that uses the sound device (for the adapter to close the Sound window. Click OK to function correctly. If ...
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... entry and then click Properties. 4. Click Start ➙ Computer. 3. Click Defragment Now, then click Continue. 6. Click Defragment Now again to start a disk-defragmentation process. 48 Lenovo H520gHardware Maintenance Manual Right-click your e-mail application.
... entry and then click Properties. 4. Click Start ➙ Computer. 3. Click Defragment Now, then click Continue. 6. Click Defragment Now again to start a disk-defragmentation process. 48 Lenovo H520gHardware Maintenance Manual Right-click your e-mail application.
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Check with your software manufacturer to the help system for details. 50 Lenovo H520gHardware Maintenance Manual If you are having difficulty with the software or the help system for that software for most tasks. Then, follow the instructions on...verify memory requirements. (If you just installed an adapter or memory, you are having difficulty performing a specific task within a software program, refer to see "Lenovo Support Web site" on the screen. • If you might need technical assistance. The software is accessible from the Windows Start menu. • To...
Check with your software manufacturer to the help system for details. 50 Lenovo H520gHardware Maintenance Manual If you are having difficulty with the software or the help system for that software for most tasks. Then, follow the instructions on...verify memory requirements. (If you just installed an adapter or memory, you are having difficulty performing a specific task within a software program, refer to see "Lenovo Support Web site" on the screen. • If you might need technical assistance. The software is accessible from the Windows Start menu. • To...
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... a valid password is removed from one numeric character • Setup Utility program and hard disk drive passwords are set , change , or delete a password. 54 Lenovo H520gHardware Maintenance Manual Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to set a strong password, use the following : 1. Start the Setup Utility program. Follow the...
... a valid password is removed from one numeric character • Setup Utility program and hard disk drive passwords are set , change , or delete a password. 54 Lenovo H520gHardware Maintenance Manual Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to set a strong password, use the following : 1. Start the Setup Utility program. Follow the...
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... standby or off your computer by doing one of the screen. 4. Repeatedly press and release the F12 key when turning on page 53. 56 Lenovo H520gHardware Maintenance Manual Read the information displayed on Alarm and press Enter. Press F10 to save changes and exit the Setup Utility program. From the Setup Utility...
... standby or off your computer by doing one of the screen. 4. Repeatedly press and release the F12 key when turning on page 53. 56 Lenovo H520gHardware Maintenance Manual Read the information displayed on Alarm and press Enter. Press F10 to save changes and exit the Setup Utility program. From the Setup Utility...