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Lenovo M55e User Manual - Page 52

Erasing, forgotten, password, clearing

UPC - 883609167608

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Page 52 highlights

Refer to "Lithium battery notice" on page xii for information about replacing and disposing of the battery. To change the battery: 1. Turn off the computer and disconnect the power cord from the electrical outlet and from the computer. 2. Open the computer cover. See "Opening the cover" on page 20. 3. Access the system board. See "Accessing system board components and drives" on page 22. 4. Locate the battery. See "Identifying parts on the system board" on page 23. 5. Remove the old battery. 6. Install the new battery. 7. Reinstall the PCI riser assembly if removed. 8. Close the computer cover, and connect the cables. See "Closing the cover and connecting the cables" on page 35. Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery. 9. Turn on the computer and all attached devices. 10. Use the Setup Utility program to set the date and time and any passwords. See Chapter 5, "Using the Setup Utility," on page 45. Erasing a lost or forgotten password (clearing CMOS) This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, go to the ThinkVantage Productivity Center program. 34 User Guide To erase a forgotten password: 1. Open the computer cover. See"Opening the cover" on page 20. 2. Access the system board. See "Accessing system board components and drives" on page 22. 3. Locate the Clear CMOS/Recovery jumper on the system board. See "Identifying parts on the system board" on page 23. 4. Move the jumper from the standard position (pins 1 and 2) to the maintenance or configure position (pins 2 and 3). 5. Reinstall the PCI riser assembly if removed. 6. Lower the drive bay assembly and reconnect any cables that were disconnected.

Section	Page
Contents	5
Important safety information	7
Conditions that require immediate action	7
General safety guidelines	8
Service and upgrades	8
Static electricity prevention	9
Power cords and power adapters	10
Voltage-selection switch	10
Extension cords and related devices	11
Plugs and outlets	11
External devices	11
Batteries	11
Heat and product ventilation	12
Operating environment	13
Electrical current safety information	13
Lithium battery notice	14
Modem safety information	14
Laser compliance statement	15
Power supply statement	15
Data safety	16
Cleaning and maintenance	16
Additional safety information	16
Introduction	17
Chapter 1. Arranging your workspace	19
Comfort	19
Glare and lighting	19
Air circulation	20
Electrical outlets and cable lengths	20
Chapter 2. Setting up your computer	21
Connecting your computer	21
Turning on power	26
Finishing the software installation	26
Completing important tasks	26
Updating your operating system	27
Installing other operating systems	27
Updating your antivirus software	27
Shutting down the computer	27
Chapter 3. Installing options	29
Features	29
Available options	32
Specifications	33
Supported operating positions	34
Tools required	34
Handling static-sensitive devices	34
Installing external options	35
Locating controls and connectors on the front of your computer	35
Locating connectors on the rear of your computer	36
Obtaining device drivers	37
Opening the cover	38
Locating components	39
Accessing system board components and drives	40
Identifying parts on the system board	41
Installing memory	42
Installing PCI adapters	43
Installing internal drives	44
Drive specifications	45
Installing a drive in bay 2	46
Connecting a serial ATA drive	47
Installing a diskette drive in bay 3	48
Security features	50
Integrated cable lock	51
Password protection	51
Changing the battery	51
Erasing a lost or forgotten password (clearing CMOS)	52
Closing the cover and connecting the cables	53
Chapter 4. Recovering software	55
Creating and using the Product Recovery disc	55
Performing backup and recovery operations	56
Using the Rescue and Recovery workspace	57
Creating and using rescue media	58
Creating and using a Recovery Repair diskette	59
Recovering or installing device drivers	60
Setting a rescue device in the startup sequence	61
Solving recovery problems	61
Chapter 5. Using the Setup Utility	63
Starting the Setup Utility program	63
Viewing and changing settings	63
Using passwords	63
Password considerations	63
User Password	64
Administrator Password	64
Setting, changing, and deleting a password	64
Using Security Profile by Device	64
Selecting a startup device	65
Selecting a temporary startup device	65
Changing the startup device sequence	65
Advanced settings	66
Exiting from the Setup Utility program	66
Chapter 6. Updating system programs	67
Using system programs	67
Updating (flashing) BIOS from a diskette or CD-ROM	67
Updating (flashing) BIOS from your operating system	68
Recovering from a POST/BIOS update failure	68
Chapter 7. Troubleshooting and diagnostics	71
Basic troubleshooting	71
Diagnostic programs	72
PC-Doctor for Windows	73
PC-Doctor for DOS	73
Creating a diagnostic CD image	73
Creating diagnostic diskettes	74
Running diagnostics from the CD or diskettes	74
Running diagnostics from the Rescue and Recovery workspace	74
PC-Doctor for Windows PE	75
Running diagnostics from the Rescue and Recovery workspace	75
Cleaning the mouse	75
Optical mouse	75
Non-optical mouse	76
Chapter 8. Getting information, help, and service	79
Information resources	79
Online Books folder	79
ThinkVantage Productivity Center	79
Access Help	80
Safety and Warranty	80
www.lenovo.com	80
Help and service	80
Using the documentation and diagnostic programs	81
Calling for service	81
Using other services	82
Purchasing additional services	82
Appendix A. Manual modem commands	83
Basic AT commands	83
Extended AT commands	85
MNP/V.42/V.42bis/V.44 commands	86
Fax Class 1 commands	87
Fax Class 2 commands	87
Voice commands	88
Appendix B. Notices	91
Television output notice	92
Trademarks	92

Match case Limit results 1 per page

Refer

“Lithium

battery

notice”

page

xii

for

information

about

replacing

and

disposing

the

battery.

change

the

battery:

Turn

off

the

computer

and

disconnect

the

power

cord

from

the

electrical

outlet

and

from

the

computer.

Open

the

computer

cover.

See

“Opening

the

cover”

page

20.

Access

the

system

board.

See

“Accessing

system

board

components

and

drives”

page

22.

Locate

the

battery.

See

“Identifying

parts

the

system

board”

page

23.

Remove

the

old

battery.

Install

the

new

battery.

Reinstall

the

PCI

riser

assembly

removed.

the

computer

cover,

and

connect

the

cables.

See

“Closing

the

cover

and

connecting

the

cables”

page

35.

Note:

When

the

computer

turned

for

the

first

time

after

battery

replacement,

error

message

might

displayed.

This

normal

after

replacing

the

battery.

Turn

the

computer

and

all

attached

devices.

10.

Use

the

Setup

Utility

program

set

the

date

and

time

and

any

passwords.

See

Chapter

“Using

the

Setup

Utility,”

page

45.

Erasing

lost

forgotten

password

(clearing

CMOS)

This

section

applies

lost

forgotten

passwords.

For

information

about

lost

forgotten

passwords,

the

ThinkVantage

Productivity

Center

program.

erase

forgotten

password:

Open

the

computer

cover.

See“Opening

the

cover”

page

20.

Access

the

system

board.

See

“Accessing

system

board

components

and

drives”

page

22.

Locate

the

Clear

CMOS/Recovery

jumper

the

system

board.

See

“Identifying

parts

the

system

board”

page

23.

Move

the

jumper

from

the

standard

position

(pins

and

the

maintenance

configure

position

(pins

and

3).

Reinstall

the

PCI

riser

assembly

removed.

Lower

the

drive

bay

assembly

and

reconnect

any

cables

that

were

disconnected.

User

Guide