IBM Thinkpad A22m Wireless Models Manual

Recovery Repair diskette. Make a Recovery Repair
diskette and save it for future use. To make a Recovery
Repair diskette:
1. Shut down and turn off the computer.
2. Attach the external diskette drive to the computer.
3. At the prompt, press F11. (The option to press F11
appears for only a few seconds. You must press F11
quickly.) The Product Recovery program main menu
appears.
4. If you are using Windows 2000 Professional, you are
prompted to select an operating system. This menu
does not appear for...

Power-on password:A power-on password (POP) protects the system from
being powered on by an unauthorized person. The
password must be entered before an operating system can
be booted.
Hard-disk password:There are two hard-disk passwords (HDPs):
vUser HDP—for the user
vMaster HDP—for the system administrator, who can use
it to get access to the hard disk even if the user has
changed the user HDP
Note:There are two modes for the HDP:User onlyand
Master + User. TheMaster + Usermode requires
two HDPs; the...

After the POST ends, the password prompt does not
appear. The POP has been removed.
5. Reinstall the backup battery and the battery pack.
(B) If an SVP has been set and is known by the servicer:
1. Turn on the computer by pressing and holding F1.
2. Enter the SVP. The IBM BIOS Setup Utility menu
appears.
3. SelectPassword, using the cursor keys to move down
the menu.
4. SelectPower-On Password.
5. At the Enter Current Password field, enter the SVP.
6. When the Enter New Password field opens, leave it...

Power management
To reduce power consumption, the computer has three
power management modes: screen blank, standby, and
hibernation.
NotesvScreen blank mode is calledstandby modein
Windows 95 and Windows NT.
vStandby mode is calledsuspend modein
Windows 95 and Windows NT.
Screen blank modeScreen blank mode has three variants, as follows:
1. If you press Fn+F3, or the time set on the″LCD off
timer″in IBM BIOS Setup Utility expires,
vThe LCD backlight turns off.
vThe hard-disk drive motor stops.
vThe...

battery becomes low has been selected in the
“Power Management Properties”window, the
computer goes into hibernation mode.)
Note for the APM operating system:
Even if you don’t set the low-battery alarm, the charge
indicator notifies you when the battery is low, and then
the computer enters the power-saving mode
automatically. This default low-battery behavior is
independent of the operating system; so if you have
set the low-battery alarm, the computer may not do
what you specified. It chooses either...

Note for OS/2If you are using OS/2 in the default format, HPFS,
you cannot create a hibernation file. If you want to
use hibernation mode, you will need to reinstall
OS/2 with FAT format.
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.
Notes:
1. If you are using the APM operating system ,
vIn the ThinkPad Configuration program, the
computer can be set toSuspend/hibernate while
docked.
vIf you are running the...

Checkout guide
Use the following procedures as a guide in identifying and
correcting problems with the ThinkPad computer.
Note:The diagnostic tests are intended to test only IBM
products. The use of non-IBM products, prototype
cards, or modified options can lead to false
indications of errors and invalid system responses.
1. Identify the failing symptoms in as much detail as
possible.
2. Verify the symptoms. Try to re-create the failure by
running the diagnostic test or by repeating the
operation....

If an error code appears, go to“Symptom-to-FRU
index”on page 47.
On the first screen, select the model and press Enter.
Follow the instructions on the screen.
2. The main panel of PC-Doctor appears.
3. SelectDiagnosticswith the arrow keys, and press
Enter.
A pull-down menu appears. (Its exact form depends on
the model.)
The options on the test menu are as follows:
Diagnostics Interactive Tests
vRun Normal Test
vRun Quick Test
vCPU/Coprocessor
vSystemboard
vVideo Adapter
vSerial Ports
vParallel Ports...

5. Follow the instructions on the screen. If there is a
problem, PC-Doctor shows messages describing it.
6. To exit the test, selectQuit—Exit Diag.
To cancel the test, press Esc.
Note:After executing PC-Doctor, check the system
time/date and reset them if needed.
Detecting system information with
PC-Doctor
PC-Doctor can detect the following system information:
Hardware InfovSystem Configuration
vMemory Contents
vPhysical Disk Drives
vLogical Disk Drives
vVGA Information
vIDE Drive Info
vPCI Information...

v“Checking the ac adapter”
v“Checking operational charging”
v“Checking the battery pack”on page 37
v“Checking the backup battery”on page 37
Checking the ac adapterYou are here because the computer fails only when the ac
adapter is used:
vIf the power problem occurs only when the port
replicator is used, replace the port replicator.
vIf the power-on indicator does not turn on, check the
power cord of the ac adapter for correct continuity and
installation.
vIf the computer does not charge during operation,...