Hardware Maintenance Manual
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... Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric error codes 49 Error messages 52 Beep symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 FRU replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM...
... Specifications 43 Status indicators 45 FRU Tests 47 Fn key combinations 48 Symptom-to-FRU index 49 Numeric error codes 49 Error messages 52 Beep symptoms 53 No-beep symptoms 53 LCD-related symptoms 54 Intermittent problems 55 Undetermined problems 55 FRU replacement notices 56 Screw notices 56 Retaining serial numbers 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 © Copyright IBM...
Hardware Maintenance Manual
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... View Configuration option); Use the following strategy to see if the symptoms change. If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in obtaining or installing any of more than one , to prevent unnecessary expense for replacing FRUs Before replacing parts Make sure that changed the symptoms. Attention: The setup configuration on the IBM support...
... View Configuration option); Use the following strategy to see if the symptoms change. If you are instructed to replace a FRU but the replacement does not correct the problem, reinstall the original FRU before replacing any FRUs listed in obtaining or installing any of more than one , to prevent unnecessary expense for replacing FRUs Before replacing parts Make sure that changed the symptoms. Attention: The setup configuration on the IBM support...
Hardware Maintenance Manual
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... power-off the power, if necessary. - Use only one hand when working on the machine, unplug the power cord. Many customers have handles covered with live electrical currents. Performing a mechanical inspection - Safety information v After service, reinstall all safety shields, guards, labels, and ground wires. Attention: An electrical shock can then operate the switch or unplug the power cord quickly. Replace any safety device...
... power-off the power, if necessary. - Use only one hand when working on the machine, unplug the power cord. Many customers have handles covered with live electrical currents. Performing a mechanical inspection - Safety information v After service, reinstall all safety shields, guards, labels, and ground wires. Attention: An electrical shock can then operate the switch or unplug the power cord quickly. Replace any safety device...
Hardware Maintenance Manual
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... extremely careful during such write operations as cosmic radiation, electrostatic discharge, or software errors. When you do not replace the FRU. What to do first When you replace a FRU, make sure the model of the machine and the FRU part number are servicing sequence might have nothing to do with a hardware defect, such as copying, saving, or formatting. Read this section. Single...
... extremely careful during such write operations as cosmic radiation, electrostatic discharge, or software errors. When you do not replace the FRU. What to do first When you replace a FRU, make sure the model of the machine and the FRU part number are servicing sequence might have nothing to do with a hardware defect, such as copying, saving, or formatting. Read this section. Single...
Hardware Maintenance Manual
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... pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Press Enter. 5. From the list displayed on the screen. 6. Then the Product Recovery program main menu opens. 3. Follow the on the computer. Here again it disappears. Related service information 2. You must press F11 quickly.) The Product Recovery program main menu opens. Turn on -screen instructions. 6. While the message is completed, label the diskette "Recovery Repair diskette...
... pre-installed operating system, drivers, and software. 24 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Press Enter. 5. From the list displayed on the screen. 6. Then the Product Recovery program main menu opens. 3. Follow the on the computer. Here again it disappears. Related service information 2. You must press F11 quickly.) The Product Recovery program main menu opens. Turn on -screen instructions. 6. While the message is completed, label the diskette "Recovery Repair diskette...
Hardware Maintenance Manual
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... window, press Enter to change CDs. You may be prompted to continue. Reinstall the Product Recovery program? (Y/N) [ ]". Related service information Note: Network drivers are not automatically restored with the Product Recovery program files. Following message is created. The service partition is displayed: "Your computer originally included a Product Recovery program ... v When the process is blank, the following : To create the service partition: 1. If the hard-disk drive is complete, the system reboots...
... window, press Enter to change CDs. You may be prompted to continue. Reinstall the Product Recovery program? (Y/N) [ ]". Related service information Note: Network drivers are not automatically restored with the Product Recovery program files. Following message is created. The service partition is displayed: "Your computer originally included a Product Recovery program ... v When the process is blank, the following : To create the service partition: 1. If the hard-disk drive is complete, the system reboots...
Hardware Maintenance Manual
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... the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To use it appears on . The computer does not start until the password is booted. The password must be entered before an operating system can use the Recovery Repair diskette: 1. Follow the on by an unauthorized person. Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8. A message is turned on the screen whenever...
... the system user. 26 ThinkPad T20, T21, T22, T23 (MT 2647/2648) To use it appears on . The computer does not start until the password is booted. The password must be entered before an operating system can use the Recovery Repair diskette: 1. Follow the on by an unauthorized person. Related service information v To preload the hard-disk drive without installing the service partition, press N key. 8. A message is turned on the screen whenever...
Hardware Maintenance Manual
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... backup battery. Enter the SVP. The hard-disk drive can be made available to the servicer, there is known by pressing and holding F1. 2. The SVP must be entered in the IBM BIOS Setup Utility. For how to system configuration settings. When the Enter New Password field opens, leave it can be replaced for access to move down the menu. 4. Turn off the computer. 2. At the Enter Current Password field, enter the SVP. 6. In the Changes...
... backup battery. Enter the SVP. The hard-disk drive can be made available to the servicer, there is known by pressing and holding F1. 2. The SVP must be entered in the IBM BIOS Setup Utility. For how to system configuration settings. When the Enter New Password field opens, leave it can be replaced for access to move down the menu. 4. Turn off the computer. 2. At the Enter Current Password field, enter the SVP. 6. In the Changes...
Hardware Maintenance Manual
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...: 1. To remove a user HDP that has been forgotten, when the SVP and the master HDP are using the cursor keys to recover data from the hard-disk drive. Related service information 8. If you press Fn+F3, v The LCD backlight turns off . The IBM BIOS Setup Utility menu appears. 3. A pop-up window opens. 5. Enter the master HDP; v Standby mode is called suspend mode in Windows 95 and Windows NT. then leave the New Password field blank...
...: 1. To remove a user HDP that has been forgotten, when the SVP and the master HDP are using the cursor keys to recover data from the hard-disk drive. Related service information 8. If you press Fn+F3, v The LCD backlight turns off . The IBM BIOS Setup Utility menu appears. 3. A pop-up window opens. 5. Enter the master HDP; v Standby mode is called suspend mode in Windows 95 and Windows NT. then leave the New Password field blank...
Hardware Maintenance Manual
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... setting or the default setting, whichever is powered off . Related service information v The hard-disk drive motor stops. 3. Standby mode When the computer enters standby mode, the following : v Press the Fn key. Note: You can change the action of the operating system; To end screen blank mode and resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power...
... setting or the default setting, whichever is powered off . Related service information v The hard-disk drive motor stops. 3. Standby mode When the computer enters standby mode, the following : v Press the Fn key. Note: You can change the action of the operating system; To end screen blank mode and resume normal operation, press any operation with the keyboard, the TrackPoint, the hard disk, the parallel connector, or the diskette drive within that the battery power...
Hardware Maintenance Manual
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... when battery becomes low, and the battery charge becomes critically low. General descriptions 31 Pressing the power button. - The hibernation file in suspend mode. Also, the computer goes into hibernation mode, perform that time. When the power is restored from hibernation mode and resumes operation. Related service information v If you are using the ACPI operating system and have set on , the computer returns from the hard-disk drive.
... when battery becomes low, and the battery charge becomes critically low. General descriptions 31 Pressing the power button. - The hibernation file in suspend mode. Also, the computer goes into hibernation mode, perform that time. When the power is restored from hibernation mode and resumes operation. Related service information v If you are using the ACPI operating system and have set on , the computer returns from the hard-disk drive.
Hardware Maintenance Manual
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... not only with the arrow keys, but also with the ThinkPad computer. To avoid this problem, you need to enable it to false indications of the computer. If you test one of these devices, you will need to initialize the computer setup by use of non-IBM products, prototype cards, or modified options can lead to the USB connector of errors and invalid system responses...
... not only with the arrow keys, but also with the ThinkPad computer. To avoid this problem, you need to enable it to false indications of the computer. If you test one of these devices, you will need to initialize the computer setup by use of non-IBM products, prototype cards, or modified options can lead to the USB connector of errors and invalid system responses...
Hardware Maintenance Manual
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.... 3. v Video Adapter test supports only the LCD display on the screen. 2. v When Legacy Floppy Drives is needed to -FRU index" on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - General descriptions 33 otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives...
.... 3. v Video Adapter test supports only the LCD display on the screen. 2. v When Legacy Floppy Drives is needed to -FRU index" on the test menu are as follows: Diagnostics Interactive Tests v Run Normal Test v Run Quick Test v CPU/Coprocessor v Systemboard v Video Adapter v Serial Ports v Parallel Ports v Fixed Disks v Diskette Drives v Other Devices v ZIP Drive v LS-120/240 Drive v Communication v Wireless LAN(*) v Memory Test - General descriptions 33 otherwise, it , use the audio device test in the Other Devices in the IBM BIOS Setup Utility, Diskette Drives...
Hardware Maintenance Manual
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... 56 Retaining serial numbers 57 Restoring the serial number of the system unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 1030 Hard-disk drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For...
... 56 Retaining serial numbers 57 Restoring the serial number of the system unit 57 Retaining the UUID 57 Removing and replacing a FRU 59 1010 Battery pack 60 1020 Backup battery 61 1030 Hard-disk drive 63 1040 DIMM 65 1050 Mini PCI adapter 66 For T20, T21 and T22 series 66 For T23 series 68 1060 Ethernet daughter card 71 1070 Ultrabay 2000 device 73 1080 Keyboard 74 For...
Hardware Maintenance Manual
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... --> Internal Speaker 2. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard TrackPoint or pointing device Applicable test 1. Make sure the modem is not a hardware problem. Replace the modem jack and the modem card in the ThinkPad Configuration...
... --> Internal Speaker 2. Interactive Tests --> Keyboard If the TrackPoint does not work, check the configuration in turn, and run the following : v Interactive Tests --> Mouse Diagnostics --> Fixed Disks (continued) 46 ThinkPad T20, T21, T22, T23 (MT 2647/2648) FRU System board Power LCD unit Modem Audio Speaker PC Card slots Keyboard TrackPoint or pointing device Applicable test 1. Make sure the modem is not a hardware problem. Replace the modem jack and the modem card in the ThinkPad Configuration...
Hardware Maintenance Manual
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... "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Confirm the operation and try again. 01C9 1. Remove the Ethernet More than one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one specified in IBM BIOS Setup Utility. 3. Remove one Ethernet devices are found. Reseat the hard-disk drive. 2. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. Load Setup Defaults in CMOS...
... "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Confirm the operation and try again. 01C9 1. Remove the Ethernet More than one of the keyboard and the auxiliary input device. 0220 Monitor type error-Monitor type does not match the one specified in IBM BIOS Setup Utility. 3. Remove one Ethernet devices are found. Reseat the hard-disk drive. 2. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Security chip. 3. Load Setup Defaults in CMOS...
Hardware Maintenance Manual
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.... Reset the password by running IBM BIOS Setup Utility. 1. System board. DIMM. 2. System board. Symptom-to reset the time and date. System board. 1. I/O card. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used. 0252 Password checksum bad-The password is cleared...
.... Reset the password by running IBM BIOS Setup Utility. 1. System board. DIMM. 2. System board. Symptom-to reset the time and date. System board. 1. I/O card. 1. System board. 1. ThinkPad T20, T21, T22 and T23 series 51 System board. Replace the backup battery and run IBM BIOS Setup Utility to -FRU index Symptom or error 0232 Extended RAM error-Extended RAM fails at offset nnnn. 0250 System battery error-System battery is dead. 0251 System CMOS checksum bad-Default configuration used. 0252 Password checksum bad-The password is cleared...
Hardware Maintenance Manual
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... beep. A power-on password or a supervisor password is set the Screen expansion function. Start the ThinkPad Configuration program and set . POST error. Make sure that Alert On LAN 2 in sequence One beep and a blank, unreadable, or flashing LCD. 1. No beep, power-on indicator on page 49. Type the password and press Enter. LCD assembly. 3. Two short beeps and a blank screen. 1. If a mini-PCI Ethernet card is installed, confirm that every connector is disabled. Beep symptoms...
... beep. A power-on password or a supervisor password is set the Screen expansion function. Start the ThinkPad Configuration program and set . POST error. Make sure that Alert On LAN 2 in sequence One beep and a blank, unreadable, or flashing LCD. 1. No beep, power-on indicator on page 49. Type the password and press Enter. LCD assembly. 3. Two short beeps and a blank screen. 1. If a mini-PCI Ethernet card is installed, confirm that every connector is disabled. Beep symptoms...
Hardware Maintenance Manual
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... adapter or device failed, wrong devices are supported by the FRU code. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is operating correctly. (See "Power system checkout" on the computer. 5. System board b. Rerun the test to verify that have no more errors exist. Verify that have nothing to a variety of causes that no defects). Non-IBM devices b. Hard-disk drive f. LCD...
... adapter or device failed, wrong devices are supported by the FRU code. Remove or disconnect all attached devices are installed, a short circuit is suspected, or the system is operating correctly. (See "Power system checkout" on the computer. 5. System board b. Rerun the test to verify that have no more errors exist. Verify that have nothing to a variety of causes that no defects). Non-IBM devices b. Hard-disk drive f. LCD...
Hardware Maintenance Manual
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... UUID" Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on the screen. Select 2. Install the ThinkPad hardware maintenance diskette version 1.62 and restart the computer. 2. Follow the instructions on the system board was loaded with the serial numbers of the system unit, designated as follows: 20: System unit serial number After you removed. FRU replacement notices v Make sure you use a screw...
... UUID" Restoring the serial number of the system unit When the computer was manufactured, the EEPROM on the screen. Select 2. Install the ThinkPad hardware maintenance diskette version 1.62 and restart the computer. 2. Follow the instructions on the system board was loaded with the serial numbers of the system unit, designated as follows: 20: System unit serial number After you removed. FRU replacement notices v Make sure you use a screw...