IBM Thinkpad I Series 12001300 Manual

FRU replacement notices
This section contains notices for removal and replacement.
Read this section carefully before replacing any FRU.
LCD replacement notice
The TFT LCD for the computer contains many thin-film
transistors (TFTs). A small number of missing, discolored,
or lighted dots (on all the time) is characteristic of TFT
LCD technology, but excessive pixel problems can cause
viewing concerns. The LCD should be replaced if the
number of missing, discolored, or lighted dots in any
background is:...

Turn an additional90 degreesafter the screw head
touches the surface of the plastic part:
vLogic card to plastic
Turn an additional180 degreesafter the screw head
touches the surface of the plastic part:
vTorque driver
If you have a torque driver, refer to the″Torque″column
with each step.
vMake sure you use the correct screw, and tighten all
screws firmly to the torque shown in the table if you
have a torque screwdriver.Never use a screw that you
removed. Use a new one. Make sure the screws are...

3. Follow the instruction on screen to read current or to
set new LCD Panel ID code.
4. Restart computer : the new LCD should work normally.
Note:When you set a new LCD Panel ID and the new
LCD is not yet enabled (to function), connect an
external CRT to see the program execution process.
CAUTION:
Make sure the new ID code you choose corresponds
with the LCD brand and type. If you write a wrong ID
into inverter, just reboot and re-execute the program
and input the correct ID code.
Note:If LCD cannot...

You must restore thesystem unit serial numberto its
original number when the LCD module or inverter is
replaced.
To restore the system unit serial number, do the following:
1. Install the ThinkPad CE Utility Diskette and restart the
computer.
2. Select3. VPD Data Utilityfrom the main menu.
3. Select1. Read VPD datato verify the system unit
serial number displayed.
4. If it is incorrect, select2. Write VPD dataand then
select2. Write BoxSerial numberto type the correct
serial number on the panel.
Notes:...

3. Select1. Read Thermal Settingto view the original
setting or2. Set Default Thermal Settingto restore the
default setting.
UUIDThe Universal Unique Identifier (UUID) is a 128–bit number
uniquely assigned to your computer at production and
stored in the EEPROM of your inverter. The algorithm that
generates the unique number is designed to provide
unique IDs until the year A.D. 3400. Consequently, no tow
computers in the world will have the same number.
When you replace the system board, you must set...

Related service information
This section provides information about the following:
v“Power button as reset switch”
v“Running a low-level format”
v“Service Web site”
v“Passwords”
v“Power management features”on page 28
v“Fn key combinations”on page 29
v“Product recovery program”on page 31
Power button as reset switch
The power button acts as a reset switch when pressed for
more than 4 seconds. This resets the system (regardless
of the microcode status) and forces the power off. Use this
only when power is...

If power-on or setup password is forgotten, change Bit 4 of
switch SW1 from 1 to 0 to bypass the password.
Removing the power-on/setup passwordIf the customer forgets the power-on or setup password,
set the switch SW1, Bit 4 from 1 to 0 firstly to bypass the
two passwords. Then do the followings to remove the two
passwords:
1. Power on the computer and pressF1to enter the
BIOS Utility menu.
2. The main screen displays as below:
BIOS Utility
System Information
Basic System Settings
Startup Configuration...

1. Remove all power sources including the AC adapter
and battery assembly.
2. Remove the RTC battery from the planar a while then
reinstall it.
Attention:The CMOS settings will be restored to default
values if you use this method to remove the power-on or
setup password.
Hard disk passwordThe hard disk password is the security feature that is used
to protect the hard disk data from unauthorized access.
Attention:No overriding capability is provided.
Therefore, if the customer forgets the hard disk...

vAn embedded modem signals the modem ring indicator
vThe battery power is at a critical level.
Hibernation modeWhen in hibernation mode, the following occurs:
vThe system status, RAM, VRAM, and setup data are
stored on the hard disk.
vThe system is powered off.
Events that cause the computer to enter hibernation mode:
Note:These events depend on thePower button, Sleep
button and Lidsettings (options set to hibernate
mode) in the″Advanced″page of the″Power
Management Properties″screen.
vHibernation...

Fn key Function
Fn+PageDown Volume Down
Fn+Backspace Volume Mute
Fn+Home Brightness up
Fn+End Brightness down
Fn+Insert/Delete Contrast adjustment
The following table shows the Fn key and function key
combinations and their corresponding functions applies to
the following models: 1161-11U, 1161-41U, 1161-51U,
1161-51J, 1161-71U, 1161-71J, 1161-91J, 1161-46N,
1161-56N, 1161-66N, 1161–91M, 1161–91A, 1161–91T,
1161–91C, 1161–91H, 1161–91K, 1161–91Y, 1161–71G,
1161–BB6, 1161–71M, 1161–71A, 1161–71T,...