Check inside the unit for any obvious unsafe conditions, such as metal filings, contamination, water or other liquids, or signs of fire or smoke damage. Check for worn, frayed, or pinched cables. Check that the power-supply cover fasteners screws or rivets have not been removed or tampered with.
Any computer part containing transistors or integrated circuits ICs should be considered sensitive to electrostatic discharge ESD. ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge so that the machine, the part, the work mat, and the person handling the part are all at the same charge. Use product-specific ESD procedures when they exceed the requirements noted here. Most clothing is insulative and retains a charge even when you are wearing a wrist strap.
The mat is especially useful when handling ESD-sensitive devices. Note: The use of a grounding system is desirable but not required to protect against ESD damage.
Electrical grounding of the computer is required for operator safety and correct system function. Proper grounding of the electrical outlet can be verified by a certified electrician. Optical drives are also sold separately as options. The optical drive is a laser product. The optical drive is certified in the U.
Class 1 laser products. Use of controls or adjustments or performance of procedures other than those specified herein might result in hazardous radiation exposure.
Do not open. Note the following. Laser radiation when open. Do not stare into the beam, do not view directly with optical instruments, and avoid direct exposure to the beam.
Rayonnement laser si carter ouvert. Some descriptions might not apply to your particular computer. Drives in the computer that you are servicing might have been rearranged or the drive startup sequence might have been altered. If you select an incorrect drive, data or programs could be overwritten. Single failure can occur for a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software error.
FRU replacement should be considered only when a recurring problem exists. In this case, clear the error log and run the test again. Do not replace FRUs if log errors do not reappear. The servicer must include the following in the parts exchange form or parts return form that is attached to the returned FRU:. Name and phone number of servicer.
Failure symptoms, error codes appearing on display, and beep symptoms. Procedure index and page number in which failing FRU was detected. Failing FRU name and part number. Machine type, model number and serial number. Before checking problems with the computer, determine whether the damage is covered under the warranty by referring to the following:.
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 may indicate the system was subjected to stresses beyond normal use.
The following symptoms might indicate damage caused by non-warranted activities:. This section contains notices for removal and replacement. Read this section carefully before replacing any FRU.
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:. This computer uses special nylon-coated screws with the following characteristics:. Loose screws can cause a reliability problem. Tighten screws as follows:. Turn an additional 90 degrees after the screw head touches the surface of the plastic part:.
Turn an additional degrees after the screw head touches the surface of the plastic part:. Never use a screw that you removed. Use a new one. Make sure the screws are tightened firmly. Select 1. Restart computer : the new LCD should work normally. If you write a wrong ID into inverterm, just reboot and re-execute the program and input the correct ID code. The 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 execute the fan test to ensure the normal operation of the cooling fan.
Select 2. Thermal Sensor Utility from the main menu. Read Thermal Setting to view the original setting or 2. Set Default Thermal Setting to restore the default setting. The algorithm that generates the unique number is designed to provide unique IDs until the year A. Consequently, no tow computers in the world will have the same number.
When you replace the system board, you must set the UUID on the new system board as follows:. Select 3. A new UUID is created and written. If a valid UUID already exists, it is not overwritten. 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 not completely off or the microcode is in a hung state. Attention: Make sure the drive address to be formatted is correct.
This procedure erases all information on the disk. To format the hard disk, select Utility , and then use the. When the latest maintenance diskette and system program service diskette are available, they are posted on:. Power-on password is a security feature that is used to protect the system from unauthorized access. 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 system, and confirm the system starts without prompting for Power-on password. Enter correct SVP Supervisor password at the password prompt. Using the up or down arrow key, select Password. Press the Enter key. Select Power-On password and press Enter. Press Enter in the Changes have been saved window. Press F10 ; then select Yes in the Setup confirmation window. The hard disk password is a security feature that is used to protect the hard disk data from unauthorized access.
Attention: If the hard disk password is forgotten, IBM does not provide any services to reset the hard drive password nor recover data from the hard drive. The hard drive can be replaced for a scheduled fee. Power management modes are available in the computer system to reduce power consumption and to prolong battery life.
Note: This is true if When I close the lid of my portable computer: is set to Standby in the. Events that cause the computer to exit display off mode: v Anykey or mouse operation. When power is turned on, the hibernation history in the boot record on the hard disk is recognized and the system status is restored from the hard disk to resume operation.
The following table shows the Fn key and function key combinations and their corresponding functions. Some of the keys do not work if proper device drivers and utilities are not installed.
To restore the pre-installed software, you can use either the Product Recovery program or a Recovery CD. The Product Recovery program is in a section of the hard disk drive the Service Partition that is not displayed by Windows Explorer. Use the Recovery CD if it was provided with the computer. 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. Quickly press F11 when this message is displayed on the screen 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. 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. Boot with Recovery CD and boot diskette if required. Reinstall the Product Recovery Program? Note: If the hard-disk drive contains any partitions, you will not receive this menu - go to step 1. System will automatically reboot during this process. Product Recovery program If a menu appears asking which operating system to install, highlight proper operating system and press.
Follow prompts to complete Recovery. The Recovery Repair diskette is used to recover the prompt that is needed to access the Product Recovery program, if the prompt does not appear. Make a Recovery Repair diskette and save it for future use.
Shut down and turn off the computer. Attach the external diskette drive to the computer. 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 appears. If you are using Windows Professional, you will be prompted to select the appropriate operating system setting. This menu does not appear for Windows 98 SE. Select System Utilities from the main menu. Select Create a Recovery Repair diskette.
Press Enter. Follow the on-screen instructions. When the process is completed, label the diskette as the Recovery Repair diskette and save it for future use. Insert the Recovery Repair diskette into the drive; then turn on the computer. Create the diskette image by the following command:. Boot from the diskette. Please make sure already attach AC and Battery.
When completed, the system is automatically turned off. Make sure there is no diskette in the diskette drive, then turn on the computer. Press the F9 key to load default configuration. Select Yes. I have read and understand the privacy policy.
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