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Completing the FRU replacement After replacing FRUs, you need to install any removed parts, replace the cover, and reconnect any cables, including telephone lines and power cords. Also, depending on the FRU that is replaced, you might need to confirm the updated information in the Setup Utility program. Note: When the power cord is first plugged in, the computer might appear to turn on for a few seconds and then turn off. This is a normal sequence to enable the computer to initialize. 1. Ensure that all components have been reassembled correctly and that no tools or loose screws are left inside your computer. 2. Reposition any cables that might impede the replacement of the computer cover. Important Correctly route all power supply cables to avoid interference with the drive bay assembly. Keep cables clear of the hinges and sides of the computer chassis. 3. Position the computer cover on the chassis so that the rail guides on the sides of the cover engage the rails and push the cover to the closed position until it snaps into position. 4. If the cover is secured with thumbscrews, install them. 5. Reconnect the external cables and power cords to the computer. See "Rear connectors" on page 84. 6. If you have replaced the system board, you must update (flash) the BIOS. See "Flash update procedures" on page 243. 7. Some FRU replacements require the configuration to be updated. See Chapter 6, "Using the Setup Utility," on page 51. 120 Hardware Maintenance Manual

Section	Page
Contents	5
Chapter 1. About this manual	7
Important Safety Information	7
Important information about replacing RoHS compliant FRUs	8
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	13
Safety notices (multi-lingual translations)	13
Chapter 3. General information	45
The Lenovo Care program	45
Additional information resources	45
Specifications	46
Types 7812, 7813, 7814, 7815, 9680, 9681, 9682, 9683, 9684, and 9685	46
Types 7816, 7817, 7818, 7819, 9686, 9687, 9688, 9689, 9690, and 9691	47
Chapter 4. General Checkout	49
Problem determination tips	49
Chapter 5. Diagnostics	51
PC-Doctor for Windows	51
PC-Doctor for Windows PE	51
Running diagnostics from the Rescue and Recovery workspace	51
PC-Doctor for DOS	52
Creating a diagnostic CD image	52
Creating diagnostic diskettes	52
Running diagnostics from the CD or diskettes	53
Navigating through the diagnostics programs	53
Running tests	53
Test results	54
Quick and Full erase - hard drive	54
Viewing the test log	55
Chapter 6. Using the Setup Utility	57
Starting the Setup Utility program	57
Viewing and changing settings	57
Using passwords	57
Password considerations	57
User Password	58
Administrator Password	58
Setting, changing, and deleting a password	58
Using Security Profile by Device	58
Selecting a startup device	59
Selecting a temporary startup device	59
Selecting or changing the startup device sequence	59
Advanced settings	60
Exiting from the Setup Utility program	60
Chapter 7. Symptom-to-FRU Index	61
Hard disk drive boot error	61
Power Supply Problems	61
Diagnostic error codes	62
Beep symptoms	83
POST error codes	84
Miscellaneous error messages	86
Undetermined problems	87
Chapter 8. Replacing FRUs (Types 7812, 7813, 7814, 7815, 9680, 9681, 9682, 9683, 9684, and 9685)	89
Rear connectors	90
Removing the cover	91
Locations	92
Locating parts on the system board	93
Machine types 7812, 7813, 9680 and 9681	93
Machine types 7814, 7815, 9682 and 9683	94
Machine types 9684 and 9685	95
Accessing system board components and drives	96
Replacing a memory module	98
Replacing the CMOS battery	100
Replacing the power supply	101
Replacing the system board	103
Types 7812, 7813, 9680, and 9681	103
Types 7814, 7815, 9682, 9683, 9684, and 9685	106
Replacing the microprocessor	110
Types 7812, 7813, 9680 and 9681	110
Types 7814, 7815, 9682, 9683, 9684, and 9685	114
Replacing the hard disk drive	118
Replacing an optical drive	120
Replacing the diskette drive	121
Replacing the power switch/LED assembly	122
Replacing the front panel card	123
Replacing the system fan assembly	123
Replacing a PCI adapter	125
Completing the FRU replacement	126
Chapter 9. Replacing FRUs (Types 7816, 7817, 7818, 7819, 9686, 9687, 9688, 9689, 9690, and 9691)	127
Rear connectors	128
Removing the cover	129
Locations	130
Locating parts on the system board	131
Machine types 7816, 7817, 9686 and 9687	131
Machine types 7818, 7819, 9688 and 9689	132
Machine types 9690 and 9691	133
Removing and replacing the front bezel	134
Replacing the power supply	135
Replacing the system board	136
Types 7816, 7817, 9686 and 9687	136
Types 7818, 7819, 9688, 9689, 9690, and 9691	140
Replacing the microprocessor	145
Types 7816, 7817, 9686 and 9687	145
Types 7818, 7819, 9688, 9689, 9690, and 9691	148
Replacing a memory module	152
Replacing a PCI adapter	154
Replacing the hard disk drive	156
Replacing an optical drive	159
Replacing the diskette drive	160
Replacing the rear fan assembly	161
Replacing the front fan assembly	163
Replacing the front audio/USB assembly	165
Replacing the power switch/LED assembly	166
Replacing the CMOS battery	166
Completing the FRU replacement	167
Chapter 10. FRU lists	169
Machine Type 9680	169
Machine Type 9681	174
Machine Type 9682	182
Machine Type 9683	186
Machine Type 9684	192
Machine Type 9685	200
Machine Type 9686	206
Machine Type 9687	213
Machine Type 9688	220
Machine Type 9689	226
Machine Type 9690	233
Machine Type 9691	242
Chapter 11. Additional Service Information	249
Security features	249
Hardware controlled Passwords	249
Operating system password	249
Vital product data	249
BIOS levels	249
Flash update procedures	249
Updating (flashing) BIOS from a CD-ROM or diskette	250
Recovering from a POST/BIOS update failure	250
Power management	251
Automatic configuration and power interface (ACPI) BIOS	251
Automatic Power-On features	251
Appendix. Notices	253
Television output notice	254

Match case Limit results 1 per page

Completing

the

FRU

replacement

After

replacing

FRUs,

you

need

install

any

removed

parts,

replace

the

cover,

and

reconnect

any

cables,

including

telephone

lines

and

power

cords.

Also,

depending

the

FRU

that

replaced,

you

might

need

confirm

the

updated

information

the

Setup

Utility

program.

Note:

When

the

power

cord

first

plugged

in,

the

computer

might

appear

turn

for

few

seconds

and

then

turn

off.

This

normal

sequence

enable

the

computer

initialize.

Ensure

that

all

components

have

been

reassembled

correctly

and

that

tools

loose

screws

are

left

inside

your

computer.

Reposition

any

cables

that

might

impede

the

replacement

the

computer

cover.

Important

Correctly

route

all

power

supply

cables

avoid

interference

with

the

drive

bay

assembly.

Keep

cables

clear

the

hinges

and

sides

the

computer

chassis.

Position

the

computer

cover

the

chassis

that

the

rail

guides

the

sides

the

cover

engage

the

rails

and

push

the

cover

the

closed

position

until

snaps

into

position.

the

cover

secured

with

thumbscrews,

install

them.

Reconnect

the

external

cables

and

power

cords

the

computer.

See

“Rear

connectors”

page

84.

you

have

replaced

the

system

board,

you

must

update

(flash)

the

BIOS.

See

“Flash

update

procedures”

page

243.

Some

FRU

replacements

require

the

configuration

updated.

See

Chapter

“Using

the

Setup

Utility,”

page

51.

120

Hardware

Maintenance

Manual