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The administrator has the right to edit, move or remove any comment for any reason and without notice. Failure to comply with these rules may result in being banned from further commenting. If you select an incorrect drive, data or programs might be overwritten. Single failures can occur for a variety of reasons that have nothing to do with a hardware defect, such as cosmic radiation, electrostatic discharge, or software errors.
Consider replacing a FRU only when a problem recurs. If you suspect that a FRU is defective, clear the error log and run the test again. If the error does not recur, do not replace the FRU. When you do return a FRU, you must include the following information in the parts exchange form or parts return form that you attach to it:. During the warranty period, the customer may be responsible for repair costs if the computer damage was caused by misuse, accident, modification, unsuitable physical or operating environment, or improper maintenance by the customer.
The following list provides some common items that are not covered under warranty and some symptoms that might indicate that the system was subjected to stress beyond normal use. Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following:. The following symptoms might indicate damage caused by nonwarranted activities:.
If the data on a hard-disk drive is damaged or accidentally erased, you can restore the software that was shipped with the computer.
This software includes the pre-installed operating system, applications, and device drivers. To restore the pre-installed software, you can use either the Product Recovery program or a recovery CD. When the hard-disk drive is replaced because of a failure, no Product Recovery program is on the new hard disk. In this case, you must use the Product Recovery CD for the computer.
Order the recovery CD and the hard-disk drive at the same time so that you can recover the new hard-disk drive with the pre-installed software when they arrive. The Product Recovery program is in the service partition, a section of the hard-disk drive that is not displayed by Windows Explorer.
Attention: All of the files on the primary hard-disk partition usually drive C will be lost in the recovery process. Be sure to back up copies of the files you have saved on your drive C before you begin. If the operating system cannot boot normally, or if you cannot get access to the Product Recovery program, you can use the Recovery Repair diskette to boot the computer.
Make a Recovery Repair diskette and save it for future use. To make a Recovery Repair diskette, do the following:. At the prompt, press F The option to press F11 appears for only a few seconds. You must press F11 quickly. The Product Recovery program main menu opens.
Note: If you are prompted to select the operating system, select one you want to recover. Then the Product Recovery program main menu opens. Select System Utilities from the main menu. Press Enter. Select Create a Recovery Repair diskette. Follow the on-screen instructions.
To use the Product Recovery program to restore the pre-installed software, do the following:. Save all files and shut down the desktop. Turn on the computer. While the message is displayed, quickly press F Here again it appears very briefly; watch for it, and press F11 before it disappears. Note: If this message is not displayed, you can use a Recovery Repair diskette to get access to the Product Recovery program.
From the list displayed on the screen, select the operating system you want to recover. Select the recovery options you want, and follow the instructions on the screen. When the Product Recovery program finishes running, the computer will restart with the pre-installed operating system, drivers, and software. Note: Network drivers are not automatically restored with Windows NT 4. The computer will restart with the pre-installed operating system, drivers, and software.
To create the service partition and install the preloaded system from the recovery CD, do the following:. Boot with the recovery CD and the boot diskette if required. Note: If the hard-disk drive contains any partitions, you do not receive this message; go to step 1. Press Y key. The service partition is created and loaded with the Product Recovery program files.
Note: If you do not want to create the service partition, press N key, and then go to step 8. At next window, press Enter to continue.
The system automatically reboots during this process. You may be prompted to change CDs. Continue to step 6 to install preloaded system. Product Recovery program Reinstall the Product Recovery program?
If you get a message asking which operating system to install, select the proper operating system and press Enter. Press Enter to select. On each of the next three windows, press the Y key. Follow the prompts to complete the recovery. Shut down and turn off the computer. Insert the Recovery Repair diskette into the drive, and then turn on the computer.
If any of these passwords has been set, a prompt for it appears on the screen whenever the computer is turned on. The computer does not start until the password is entered. Exception: If only an SVP is installed, the password prompt does not appear when the operating system is booted. 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. The system administrator then provides the user HDP to the system user. If it has, it can be used for access to the hard-disk drive. The hard-disk drive can be replaced for a scheduled fee. Attention: If the SVP has been forgotten and cannot be made available to the servicer, there is no service procedure to reset the password.
The system board must be replaced for a scheduled fee. Turn on the computer and wait until the POST ends. After the POST ends, the password prompt does not appear.
The POP has been removed. Reinstall the backup battery and the battery pack. Turn on the computer by pressing and holding F1. Enter the SVP. Select Password , using the cursor keys to move down the menu.
Select Power-On Password. When the Enter New Password field opens, leave it blank and press Enter twice. In the Changes have been saved window, press Enter. Press F10; then, in the Setup confirmation window, select Yes.
Attention: If User only mode is selected and the user HDP has been forgotten and cannot be made available to the servicer, IBM does not provide any services to reset the user HDPs or to recover data from the hard-disk drive.
Power on the computer by pressing and holding F1. Select Hard-disk x password , where x is the letter of the hard-disk drive. A pop-up window opens. Select Master HDP. Select Yes in the Setup Configuration window. To reduce power consumption, the computer has three power management modes: screen blank, standby, and hibernation. When the computer enters standby mode, the following events occur in addition to what occurs in screen blank mode:. Even if you do not 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 your setting or the default setting, whichever is appropriate.
If you are using the ACPI operating system, only the low-battery alarm is available. To cause the computer to return from standby mode and resume operation, do one of the following:. Also, the computer automatically returns from standby mode and resumes operation in either of the following events:.
Note: The computer does not accept any input immediately after it enters standby mode. Wait a few seconds before taking any action to reenter operation mode. Note: If the computer enters the hibernation mode while it is docked to the docking station, do not undock it from the docking station before resuming normal operation. If you do undock it and then try to resume normal operation, you will get an error message, and you will have to restart the system.
Also, the computer goes into hibernation mode automatically in either of the following conditions:. When the power is turned on, the computer returns from hibernation mode and resumes operation. The hibernation file in the boot record on the hard-disk drive is read, and system status is restored from the hard-disk drive.
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.
Identify the failing symptoms in as much detail as possible. Verify the symptoms. Try to re-create the failure by running the diagnostic test or by repeating the operation. You can detect errors by running the diagnostics test included in PC-Doctor. This section is an overview of the procedure. For some possible configurations of the computer, PC-Doctor might not run correctly.
Note: When you initialize the computer configuration, some devices are disabled, such as the serial port. If you test one of these devices, you will need to enable it by using PS2.
PC-Doctor cannot be used to test a device that is in the docking station, even if the computer supports the docking station. To test the Ultrabay device, install it in the Ultrabay slot of the computer. Note: In the following procedure, you can select an item not only with the arrow keys, but also with the TrackPoint. Instead of pressing Enter, click the left button. Insert the PC-Doctor disk into the diskette drive; then power on the computer. On the first screen, select the model and press Enter.
Follow the instructions on the screen. The main panel of PC-Doctor appears. Select Diagnostics with the arrow keys, and press Enter. Each key should be held down for at least 2 seconds; otherwise, it cannot be sensed. Run the applicable function test. If there is a problem, PC-Doctor shows messages describing it. To exit the test, select Quit — Exit Diag. To cancel the test, press Esc. Page 9 A31 — Preload updates The following list details the changes that will be introduced on ThinkPad A31 model s , , shipping after September, Updated drivers: All drivers have been updated to the latest level available on the web.
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