Lenovo H520s Support Question
Lenovo H520s Support Question
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Question posted by healabo24 on September 7th, 2014
Lenovo H520s How To Get Into Bios
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Related Lenovo H520s Manual Pages
Lenovo H520s Hardware Maintenance Manual - Page 1
Lenovo H520s Hardware Maintenance Manual
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Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual - Page 3
Lenovo H520s Hardware Maintenance Manual
Machine Types: 10093/2561/4746
Lenovo H520s Hardware Maintenance Manual - Page 5
... guide 5 Handling electrostatic discharge-sensitive devices 5 Grounding requirements 6 Safety notices 6
Chapter 3. Locating connectors, controls and components 21
Chapter 8. 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 15 Selecting a startup device 16 Exiting the...
Lenovo H520s Hardware Maintenance Manual - Page 7
...book before performing any of the instructions. Before servicing a Lenovo product, be sure to read the Safety Information. It is invalid for Lenovo H520s computers listed on the cover.
Chapter 1. Important Safety ...have TV card.
It is only used for trained servicers who are familiar with Lenovo computer products. The description of the TV card in dieser Dokumentation, bevor Sie ...
Lenovo H520s Hardware Maintenance Manual - Page 9
.... • Insert the ends of the machines during and after maintenance. • When lifting any other parts in the installation and configuration procedures.
© Copyright Lenovo 2012
3 Ensure that your clothing. Remember: Metal objects are good electrical conductors. • Wear safety glasses when you start the machine, ensure that other service...
Lenovo H520s Hardware Maintenance Manual - Page 10
... and to protect yourself from a circuit.
keep the other hand in the safety sections of mat to lock the wall box in the off power.
4 Lenovo H520sHardware Maintenance Manual Use extreme care when measuring high voltages. • Regularly inspect and maintain your body.
- Observe the following rules when working with live...
Lenovo H520s Hardware Maintenance Manual - Page 12
...: The use coax or connector-outside shells on these systems. - Use the round ground-prong of a grounded work mat to this product or attached devices.
6 Lenovo H520sHardware Maintenance Manual
Lenovo H520s Hardware Maintenance Manual - Page 14
...(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...
Lenovo H520s Hardware Maintenance Manual - Page 15
.... Chapter 3. General information
This chapter provides general information that applies to 106KPa Electrical input: Input voltage: 90V-264V(AC) Input frequency: 47Hz-63Hz
© Copyright Lenovo 2012
9 Type Lenovo H520s This section lists the physical specifications.
Lenovo H520s Hardware Maintenance Manual - Page 17
... • Look for readable instructions or a main menu on all display controls to step 6. If you cannot continue, replace the last device tested.
© Copyright Lenovo 2012
11 If the test stops and you did not receive the correct response, proceed to the middle position. 4. Chapter 4. General error messages appear if...
Lenovo H520s Hardware Maintenance Manual - Page 19
...
Press and hold the F1 key then turn off the computer.
2.
When the Lenovo BIOS Setup Utility program is already on when you type your computer is displayed, release...Starting the Setup Utility program."
Viewing and changing settings
System configuration options are using the Lenovo BIOS Setup Utility menu. Password considerations
A password can use the keyboard when using . ...
Lenovo H520s Hardware Maintenance Manual - Page 20
.... From the Security menu, select Set Administrator Password and press the Enter key. 3. A Setup Notice will be any configuration settings. Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on page 13.
1. If you can be installed. The password dialog box will display that changes have been saved...
Lenovo H520s Hardware Maintenance Manual - Page 21
... Power-On Password, Enter blank fields for ACHI mode. Chapter 5.
To delete a previously set a Power-On Password, do the following : 1.
Start the Lenovo BIOS Setup Utility program (See "Starting the Lenovo BIOS Setup Utility program" on the setup options. Type the password, and press the Enter key. 4. The password dialog box will be used...
Lenovo H520s Hardware Maintenance Manual - Page 22
...Select whether to enable or disable Onboard Ethernet Controller, or select whether to the Lenovo BIOS Setup Utility program menu and select the Exit option. 6. To enable or disable ...startup device
If your computer. 2. Selecting or changing the startup device sequence
16 Lenovo H520sHardware Maintenance Manual Return to enable or disable load onboard PXE (Preboot Execution Environment),...
Lenovo H520s Hardware Maintenance Manual - Page 23
... Utility program. • If you do the following : • If you want to return to the Lenovo BIOS Setup Utility program main menu.
Start the Lenovo BIOS Setup Utility program (see "Starting the Lenovo BIOS Setup Utility program" on the right side of the following : 1. To view or permanently change the configured startup device sequence, do...
Lenovo H520s Hardware Maintenance Manual - Page 25
.../Verify Check that the following : 1.
Install an operating system on switch.
If you suspect there is listed first.
The boot sector on Switch
© Copyright Lenovo 2012
19
FRU/Action Reseat connectors
Power Cord Power-on the startup drive is in configuration. Chapter 6. Replace the hard disk drive. FRU/Action
Check...
Lenovo H520s Hardware Maintenance Manual - Page 26
...External Cache d. If all devices and components have bootable media in the boot device. The BIOS was unable to check that no keys are set. Power-off the computer. 2. Hard...error codes
Each time you have been removed and the problem continues, replace the system board.
20 Lenovo H520sHardware Maintenance Manual Make sure you turn the computer on the computer to re-test the system. ...
Lenovo H520s Hardware Maintenance Manual - Page 27
Locating connectors, controls and components
This section provides illustrations to help locate the various connectors, controls and components of the computer.
© Copyright Lenovo 2012
21 Chapter 7.
Lenovo H520s Hardware Maintenance Manual - Page 28
... eject button
5. Attention: Be careful not to block any air vents on the front of the Built-in IR Emitter is 10 feet (3m).
22 Lenovo H520sHardware Maintenance Manual Memory card reader (selected models only) 3. USB connectors 4. Microphone connector
Attention: The effective range of the computer. Headphone connector 6. Optical Drive (selected...
Lenovo H520s Hardware Maintenance Manual - Page 59
...Power Management (APM) BIOS mode is allowed to wake the System.
© Copyright Lenovo 2012
53
Not all machine types supported by this computer has an ACPI BIOS system, the operating...you to enable and disable features that applies to all operating systems support ACPI BIOS mode.
General information
This chapter provides general information that turn on the computer automatically...
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