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IBM Thinkpad R30 R31 Manual

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Page 31

Note:If LCD cannot display after change ID code, make
sure you write the correct ID code, or try reseating
the LCD coaxtial cable connectors.
Thermal SensorThe system is equipped with sensors to protect against
system overheating. By setting system and processor
thermal thresholds, the system can turn on the cooling fan
or shut down automatically when temperatures reach the
defined threshold parameters.
System experiencing frequent auto sensor shutdown may
need to reset the thermal sensor threshold and...

Page 32

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 30
v“Product recovery program”on page 30
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...

Page 33

will be prompted. If correct SVP is entered, POST enters
BIOS setup without erasing POP. To boot up the system
user should override POP by SVP at the password
sub-menu.
vWhen SVP is not set, POST erase the POP and then
boots up the system.
Power-on passwordsPower-on password is a security feature that is used to
protect the system from unauthorized access. If power-on
password is forgotten, follow the procedure described in″
Removing the Power-on password″.
Supervisor passwordA supervisor password (SVP)...

Page 34

3. The main screen displays as below:
4. Using the up or down arrow key, selectPassword.
5. Press theEnterkey.
The following submenu is displayed:
* Power-On password
* Supervisor password
* Lock BIOS setting
* Hard disk x password
6. SelectPower-On passwordand pressEnter.
7. Type in correct SVP at″Enter Current Password″
and pressEnter.
8. PressEnterat″Enter New Password″.
9. PressEnterat″Confirm New Password″.
10. PressEnterin the Changes have been saved
window.
11. PressF10; then selectYe sin the...

Page 35

Standby modeWhen in standby mode, the following occurs:
vThe LCD backlight turns off.
vThe hard disk motor either spins down or stops
(controlled by OS).
vSuspend LED turns on.
Events that cause the computer to enter standby mode:
Note:These events depend on thePower button, Sleep
button and Lidsettings (options set to standby
mode) in the″Advanced″page of the″Power
Management Properties″screen.
vStandby requested by the Sleep button (Fn+F4)
vStandby requested by the power button
vStandby requested by...

Page 36

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 requested by the Sleep button (Fn+F4) or
(Fn+F12)
vHibernation requested by the power button
vHibernation requested by closing the lid.
Events that cause the computer to exit hibernation mode:
vRTC alarm
vPower-on switch is operated
vWOL (wake on Lan)
When power is turned on, the hibernation history in the
boot record on the...

Page 37

1. Save all files and shut down the desktop.
2. Turn off the computer.
3. Turn on the computer. Quickly pressF11when this
message is displayed on the screen: ...″To start the
Product Recovery program, press F11″.....This
message is displayed for only a few seconds.
Note:If this message does not appear, you can use a
Recovery Repair diskette to get access to the
Product Recovery program.(see“Creating a
Recovery Repair diskette”on page 32 for
instructions for making the Recovery Repair
diskette)
4. From...

Page 38

7. If the hard-disk drive is blank, a menu will appear
stating″Your computer originally included a
Product Recovery program ... Reinstall the
Product Recovery Program? (Y/N) [ ]″.}.
* To install Service Partition, go to step 4.
* To preload hard-disk drive without installing Service
Partition, press″N″.
8. If a menu appears asking which operating system to
install, highlight proper operating system and press
″″ENTER″.
9. A menu will appear stating″Full Recovery:″. Press
″″ENTER″to select.
10. Enter″Y″at...

Page 39

Flash BIOS
Please do the following to update BIOS.
To update BIOS:
1. Create the diskette image by the following command:
LOADDSKF 1FUDxxUS.DSK A:
Note: XX: Translate to appropriate number.
2. Boot from the diskette. (Please make sure already
attach AC and Battery)
3. When completed, the system is automatically turned
off.
4. Make sure there is no diskette in the diskette drive,
then turn on the computer.
5. PressF1key into BIOS setup Utility during the boot
time.
Note:″PressF1for IBM BIOS Setup...

Page 40

Checkout guide
Use the following procedure as a guide for computer
problems.
Note:The diagnostic tests are intended to test only IBM
products. Non-IBM products, prototype cards, or
modified options can give false errors and invalid
system responses.
1. Obtain the failing symptoms in as much detail as
possible.
2. Verify the symptoms by attempting to recreate the
failure by running the diagnostic test or by repeating
the same operation.
Testing the computer
The ThinkPad computer has a test program called...
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