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Lenovo ThinkCentre M90p Hardware Maintenance Manual - Page 48

Power-On Password, Administrator Password, Hard Disk Password, Setting, changing

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• Not be your name or your user name • Not be a common word or a common name • Be significantly different from your previous passwords Power-On Password When a Power-On Password is set, you are prompted to type a valid password each time the computer is turned on. The computer cannot be used until the valid password is typed in. Administrator Password Setting an Administrator Password deters unauthorized users from changing configuration settings. If you are responsible for maintaining the configuration settings of several computers, you might want to set an Administrator Password. When an Administrator Password is set, you are prompted to type a valid password each time you try to access the Setup Utility program. The Setup Utility program cannot be accessed until a valid password is typed in. If both the Power-On Password and Administrator Password are set, you can type either password. However, you must use your Administrator Password to change any configuration settings. Hard Disk Password Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive. When a Hard Disk Password is set, you are prompted to type a valid password each time you try to access the hard disk drive. Setting, changing, and deleting a password To set, change, or delete a password, do the following: 1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 41. 2. From the Setup Utility program main menu, select Security. 3. Depending on the password type, select Set Power-On Password, Set Administrator Password, or Hard Disk Password. 4. Follow the instructions on the right side of the screen to set, change, or delete a password. Note: A password can be any combination of up to 64 alphabetic and numeric characters. For more information, see "Password considerations" on page 41. Enabling or disabling a device This section provides information on how to enable or disable user access to the following devices: USB Setup SATA Controller External SATA Port Use this option to enable or disable a USB connector. When a USB connector is disabled, the device connected to the USB connector cannot be used. When this feature is set to Disable, all devices connected to the SATA connectors (such as hard disk drives or the optical drive) are disabled and cannot be accessed. When this option is set to Disable, the device connected to the External SATA connector cannot be accessed. To enable or disable a device, do the following: 1. Start the Setup Utility program. See "Starting the Setup Utility program" on page 41. 42 ThinkCentre Hardware Maintenance Manual

Section	Page
Chapter 1. About this manual	7
Important safety information	7
Important information about replacing RoHS compliant FRUs	7
Chapter 2. Safety information	9
General safety	9
Electrical safety	9
Voltage-selection switch	11
Safety inspection guide	11
Handling electrostatic discharge-sensitive devices	12
Grounding requirements	12
Safety notices (multi-lingual translations)	12
Chapter 3. General information	35
ThinkVantage Productivity Center	35
Lenovo Solution Center	35
SimpleTap	35
Additional information resources	35
Specifications	36
Chapter 4. General checkout	37
Checking for power problems	37
Problem determination tips	38
Chapter 5. Diagnostics	41
Lenovo ThinkVantage Toolbox	41
Lenovo Solution Center	41
Lenovo System Toolbox	42
PC-Doctor for Rescue and Recovery	42
PC-Doctor for DOS	42
Creating a diagnostic disc	43
Running the diagnostic program from a diagnostic disc	43
Navigating through the diagnostics programs	43
Running tests	43
Viewing the test log	45
Chapter 6. Using the Setup Utility	47
Starting the Setup Utility program	47
Viewing and changing settings	47
Using passwords	47
Password considerations	47
Power-On Password	48
Administrator Password	48
Hard Disk Password	48
Setting, changing, and deleting a password	48
Enabling or disabling a device	48
Selecting a startup device	49
Selecting a temporary startup device	49
Selecting or changing the startup device sequence	49
Exiting from the Setup Utility program	49
Chapter 7. Symptom-to-FRU index	51
Hard disk drive boot error	51
Diagnostic error codes	51
Beep symptoms	67
POST error codes	67
Miscellaneous error messages	69
Undetermined problems	70
Chapter 8. Replacing FRUs	73
Locations	73
Locating connectors on the front of your computer	73
Locating connectors on the rear of your computer	73
Locating components	74
Locating parts on the system board	75
Opening the computer cover	76
Removing and reinstalling the front bezel	77
Replacing a memory module	78
Replacing the battery	79
Replacing the front audio and USB assembly	80
Replacing the heat sink	81
Replacing the microprocessor	83
Replacing the system board	84
Replacing the system fan	86
Replacing the hard disk drive	88
Replacing the ac power adapter	90
Replacing the ac power adapter bracket	90
Replacing the optical drive	93
Replacing the internal speaker	94
Completing the parts replacement	95
Chapter 9. FRU lists	97
Overall: MT 3025, 3034, 3131, 3142, 3244, 3257, 3307, 3356, 3467, 3357, 3692, 3853, 4394, 5092, 5226, 5296, 6667, and 6673	97
Mechanical FRUs	110
Keyboard and Mouse	117
Adapters and miscellaneous FRUs	152
Power Cords	155
Recovery discs	165
Windows Vista 32 Home Basic Recovery CD	165
Windows Vista Home Basic 32 with IE9 Recovery CD	166
Windows Vista Business 32 Recovery CD	167
Windows Vista Business 32 with IE9 Recovery CD	169
Windows 7 Home Basic 32 Recovery CD	171
Windows 7 Home Basic 32 SP1 Recovery CD	174
Windows 7 Home Premium 32 Recovery CD	176
Windows 7 Home Premium 32 SP1 Recovery CD	180
Windows 7 Professional 32 Recovery CD	184
Windows 7 Professional 32 SP1 Recovery CD	191
Windows 7 Professional 64 Recovery CD	199
Windows 7 Professional 64 with SP1 Recovery CD	203
Windows 7 Ultimate 32 Recovery CD	207
Windows 7 Ultimate 32 with MS SP1 Recovery CD	207
Windows 7 Ultimate 64 Recovery CD	207
Windows 7 Starter 32 Recovery CD	208
Windows XP Professional Recovery CD	208
Chapter 10. Additional service information	215
Security features	215
Hardware-controlled passwords	215
Operating system password	215
Vital Product Data	215
Secure Managed Client	215
BIOS levels	215
Updating (flashing) BIOS from a disc	216
Updating (flashing) BIOS from your operating system	216
Recovering from a POST/BIOS update failure	216
Power management	217
Automatic configuration and power interface (ACPI) BIOS	217
Automatic Power-On features	217
Appendix A. Notices	219
Television output notice	220
Trademarks	220

Match case Limit results 1 per page

•

Not be your name or your user name

•

Not be a common word or a common name

•

Be signiﬁcantly different from your previous passwords

Power-On Password

When a Power-On Password is set, you are prompted to type a valid password each time the computer is

turned on. The computer cannot be used until the valid password is typed in.

Administrator Password

Setting an Administrator Password deters unauthorized users from changing conﬁguration settings. If you

are responsible for maintaining the conﬁguration settings of several computers, you might want to set an

Administrator Password.

When an Administrator Password is set, you are prompted to type a valid password each time you try to

access the Setup Utility program. The Setup Utility program cannot be accessed until a valid password

is typed in.

If both the Power-On Password and Administrator Password are set, you can type either password. However,

you must use your Administrator Password to change any conﬁguration settings.

Hard Disk Password

Setting a Hard Disk Password prevents unauthorized access to the data on the hard disk drive. When a

Hard Disk Password is set, you are prompted to type a valid password each time you try to access the

hard disk drive.

Setting, changing, and deleting a password

To set, change, or delete a password, do the following:

1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 41.

2. From the Setup Utility program main menu, select

Security

3. Depending on the password type, select

Set Power-On Password

Set Administrator Password

, or

Hard Disk Password

4. Follow the instructions on the right side of the screen to set, change, or delete a password.

Note:

A password can be any combination of up to 64 alphabetic and numeric characters. For more

information, see “Password considerations” on page 41.

Enabling or disabling a device

This section provides information on how to enable or disable user access to the following devices:

USB Setup

Use this option to enable or disable a USB connector. When a USB connector is

disabled, the device connected to the USB connector cannot be used.

SATA Controller

When this feature is set to

Disable

, all devices connected to the SATA connectors

(such as hard disk drives or the optical drive) are disabled and cannot be accessed.

External SATA Port

When this option is set to

Disable

, the device connected to the External SATA

connector cannot be accessed.

To enable or disable a device, do the following:

1. Start the Setup Utility program. See “Starting the Setup Utility program” on page 41.

ThinkCentre Hardware Maintenance Manual