Home » Lenovo Manuals » Desktops » Lenovo ThinkCentre A62 » Manual Viewer

Lenovo ThinkCentre A62 Hardware Maintenance Manual - Page 46

User Password, Administrator Password, Setting, changing, and deleting a password

View all Lenovo ThinkCentre A62 manuals

Add to My Manuals
Save this manual to your list of manuals

Page 46 highlights

• Contain at least one alphabetic character and one numeric character • Setup Utility program and hard disk drive passwords are not case sensitive • Not be your name or your user name • Not be a common word or a common name • Be significantly different from your previous password User Password When a User Password is set, the computer cannot be used until a valid password is typed from the keyboard. Administrator Password When an Administrator Password is set, it deters unauthorized persons from changing configuration settings. If you are responsible for maintaining the settings of several computers, you might want to set an Administrator Password. After you set an Administrator Password, a password prompt is displayed each time you try to access the Setup Utility program. If both the user and administrator passwords are set, you can type either password. However, to change any configuration settings, you must use your administrator password. Setting, changing, and deleting a password To set, change, or delete a password, do the following: Note: A password can be any combination of up to twelve alphabetic and numeric characters (a-z and 0-9). For more information, see "Password considerations" on page 39. 1. Start the Setup Utility program (see Chapter 6 "Using the Setup Utility" on page 39). 2. From the Setup Utility program menu, select Security. 3. Based on your need, select Set User Passwords or Set Administrator Passwords. 4. Read the information displayed on the right side of the screen. Enabling or disabling a device You can enable or disable user access to a device. SATA 1 OnBoard Floppy Controller When this feature is set to Disable, all devices connected to the SATA controller (such as hard disk drives or the CD-ROM drive) are disabled and will not be displayed in the system configuration. When this feature is set to Disable, the diskette drive cannot be accessed. To set the SATA 1, do the following: 1. Start the Setup Utility program (see "Starting the Setup Utility program" on page 39). 2. From the Setup Utility program menu, select Devices ® SATA Drives Setup ® SATA 1 and press Enter. 3. Select 32 Bit Data Transfer. 4. Select the desired settings and press Enter. 5. Return to the Setup Utility program menu and select Exit ® Save Changes and Exit. Note: If you do not want to save the settings, select Discard Changes or Discard Changes and Exit. 40 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
The ThinkVantage Productivity Center program	35
Additional information resources	35
Specifications	35
For machine types: 7057, 7062, 7092, 9342, 9344, 9354, 9426, 948	35
For machine types: 7061, 7090, 9353, 9421, 9485, 9623, 9625, 970	35
Chapter 4. General Checkout	37
Problem determination tips	37
Chapter 5. Diagnostics	39
Lenovo System Toolbox	39
PC-Doctor for Windows PE	39
Running diagnostics from the Rescue and Recovery workspace	39
PC-Doctor for DOS	40
Creating a diagnostic CD image	40
Creating diagnostic diskettes	40
Running diagnostics from the CD or diskettes	40
Navigating through the diagnostics programs	41
Running tests	41
Viewing the test log	42
Chapter 6. Using the Setup Utility	45
Starting the Setup Utility program	45
Viewing and changing settings	45
Using passwords	45
Password considerations	45
User Password	46
Administrator Password	46
Setting, changing, and deleting a password	46
Enabling or disabling a device	46
Selecting a startup device	47
Selecting a temporary startup device	47
Selecting or changing the startup device sequence	47
Exiting from the Setup Utility program	47
Chapter 7. Symptom-to-FRU Index	49
Hard disk drive boot error	49
Power Supply Problems	49
Diagnostic error codes	50
Beep symptoms	67
POST error codes	68
Miscellaneous error messages	69
Undetermined problems	71
Chapter 8. Replacing FRUs (Types 7061, 7090, 9353, 9421, 9485, 9	73
Locating controls and connectors on the front of your computer	73
Rear connectors	73
Removing the cover	74
Locations	75
Locating parts on the system board	77
Removing and replacing the front bezel	77
Replacing the power supply	78
Replacing the system board	79
Replacing the microprocessor	83
Replacing a memory module	85
Replacing a PCI adapter card	86
Replacing the hard disk drive	88
Replacing an optical drive	90
Replacing the diskette drive	91
Replacing the rear fan assembly	92
Replacing the front fan assembly	93
Replacing the front audio/USB assembly	95
Replacing the power switch/LED assembly	95
Replacing the CMOS battery	96
Completing the FRU replacement	97
Chapter 9. Replacing FRUs (Types 7057, 7062, 7092, 9342, 9344, 9	99
Rear connectors	99
Removing the cover	100
Locations	100
Locating parts on the system board	101
Accessing system board components and drives	102
Replacing a memory module	103
Replacing the CMOS battery	104
Replacing the power supply	105
Replacing the system board	106
Replacing the microprocessor	110
Replacing the hard disk drive	112
Replacing an optical drive	114
Replacing the diskette drive	115
Replacing the power switch/LED assembly	115
Replacing the front panel card	116
Replacing the system fan assembly	117
Replacing a PCI adapter card	118
Completing the FRU replacement	119
Chapter 10. FRU lists	121
Machine Type 3656	121
Machine Type 3658	134
Machine Type 7057	147
Machine Type 7061	161
Machine Type 7062	174
Machine Type 7090	188
Machine Type 7092	201
Machine Type 9342	214
Machine Type 9344	227
Machine Type 9353	240
Machine Type 9354	253
Machine Type 9421	266
Machine Type 9426	279
Machine Type 9485	292
Machine Type 9486	308
Machine Type 9623	324
Machine Type 9624	337
Machine Type 9625	350
Machine Type 9705	364
Machine Type 9707	377
Machine Type 9795	391
Machine Type 9804	404
Machine Type 9935	417
Machine Type 9945	431
Machine Type 9946	445
Machine Type 9953	458
Chapter 11. Additional Service Information	473
Security features	473
Hardware controlled Passwords	473
Operating system password	473
Vital product data	473
BIOS levels	473
Flash update procedures	473
Updating (flashing) BIOS from a diskette	474
Recovering from a POST/BIOS update failure	474
Power management	474
Automatic configuration and power interface (ACPI) BIOS	474
Automatic Power-On features	474
Appendix A. Notices	477
Television output notice	478
Trademarks	478
Television output notice	478

Match case Limit results 1 per page

•

Contain at least one alphabetic character and one numeric character

•

Setup Utility program and hard disk drive passwords are not case sensitive

•

Not be your name or your user name

•

Not be a common word or a common name

•

Be signiﬁcantly different from your previous password

User Password

When a User Password is set, the computer cannot be used until a valid password is typed from the

keyboard.

Administrator Password

When an Administrator Password is set, it deters unauthorized persons from changing conﬁguration

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

Administrator Password.

After you set an Administrator Password, a password prompt is displayed each time you try to access the

Setup Utility program.

If both the user and administrator passwords are set, you can type either password. However, to change

any conﬁguration settings, you must use your administrator password.

Setting, changing, and deleting a password

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

Note:

A password can be any combination of up to twelve alphabetic and numeric characters (a-z and 0-9).

For more information, see "Password considerations" on page 39.

Start the Setup Utility program (see Chapter 6 "Using the Setup Utility" on page 39).

From the Setup Utility program menu, select

Security

Based on your need, select

Set User Passwords

Set Administrator Passwords

Read the information displayed on the right side of the screen.

Enabling or disabling a device

You can enable or disable user access to a device.

SATA 1

When this feature is set to

Disable

, all devices connected to the SATA controller (such

as hard disk drives or the CD-ROM drive) are disabled and will not be displayed in

the system conﬁguration.

OnBoard Floppy Controller

When this feature is set to

Disable

, the diskette drive cannot be accessed.

To set the SATA 1, do the following:

Start the Setup Utility program (see "Starting the Setup Utility program" on page 39).

From the Setup Utility program menu, select

Devices

SATA Drives Setup

SATA 1

and press Enter.

Select

32 Bit Data Transfer

Select the desired settings and press Enter.

Return to the Setup Utility program menu and select

Exit

Save Changes and Exit

Note:

If you do not want to save the settings, select

Discard Changes

Discard Changes and Exit

ThinkCentre Hardware Maintenance Manual