Hardware Maintenance Manual
Page 33
... twice. 7. If no service procedure to system configuration settings. Supervisor password: A supervisor password (SVP) protects the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to reset the password. Remove the battery pack. For how to remove the power-on page... 61. 4. At the Enter Current Password field, enter the SVP. 6. When the Enter New Password field opens, leave it can...
... twice. 7. If no service procedure to system configuration settings. Supervisor password: A supervisor password (SVP) protects the system information stored in order to get access to the IBM BIOS Setup Utility and make changes to reset the password. Remove the battery pack. For how to remove the power-on page... 61. 4. At the Enter Current Password field, enter the SVP. 6. When the Enter New Password field opens, leave it can...
Hardware Maintenance Manual
Page 34
... the ACPI operating system and you are known, do the following: 1. How to remove the hard-disk password Attention: If User only mode is called suspend mode in Windows 95 and Windows NT. To remove a user HDP that has been forgotten, when the ... using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced...
... the ACPI operating system and you are known, do the following: 1. How to remove the hard-disk password Attention: If User only mode is called suspend mode in Windows 95 and Windows NT. To remove a user HDP that has been forgotten, when the ... using the cursor keys to recover data from the hard-disk drive. Power on the "LCD off timer" in IBM BIOS Setup Utility expires, v The LCD backlight turns off . 28 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Notes v Screen blank mode is selected and the user HDP has been forgotten and cannot be replaced...
Hardware Maintenance Manual
Page 56
... not working. 1. Hard-disk drive. 4. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Reseat the hard...
... not working. 1. Hard-disk drive. 4. System board. 50 ThinkPad T20, T21, T22, T23 (MT 2647/2648) Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Enter IBM BIOS Setup Utility by entering supervisor password, and select "Password" --> "IBM Security Chip" --> "Clear IBM Security Chip" to clear this error. 2. Reseat the hard...
Hardware Maintenance Manual
Page 57
...System board. 1. Diskette drive. 2. Replace the backup battery. 3. Load Setup Defaults in sequence 1. ThinkPad T20, T21, T22 and T23 series 51 System board. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. External FDD cable. 3. DIMM. 2. System board....date. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. System board. System board. Reset the password by running IBM BIOS Setup Utility. 1. Symptom-to reset the time and date. 1. Run IBM BIOS Setup Utility to -FRU index Symptom or...
...System board. 1. Diskette drive. 2. Replace the backup battery. 3. Load Setup Defaults in sequence 1. ThinkPad T20, T21, T22 and T23 series 51 System board. 1. DIMM. 2. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. External FDD cable. 3. DIMM. 2. System board....date. Replace the backup battery and run IBM BIOS Setup Utility to reset the time and date. 2. System board. System board. Reset the password by running IBM BIOS Setup Utility. 1. Symptom-to reset the time and date. 1. Run IBM BIOS Setup Utility to -FRU index Symptom or...
Hardware Maintenance Manual
Page 59
... System board. If a mini-PCI Ethernet card is installed, confirm that every connector is connected tightly and correctly. 2. Reseat DIMM. 2. Type the password and press Enter. Make sure that Alert On LAN 2 in sequence One beep and a blank, unreadable, or flashing LCD. 1. Two short beeps and... "Numeric error codes" on page 49. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. ThinkPad T20, T21, T22 and T23 series 53 LCD assembly. 3. Two or more short beeps, and one short beep. DIMM. 2. System board One ...
... System board. If a mini-PCI Ethernet card is installed, confirm that every connector is connected tightly and correctly. 2. Reseat DIMM. 2. Type the password and press Enter. Make sure that Alert On LAN 2 in sequence One beep and a blank, unreadable, or flashing LCD. 1. Two short beeps and... "Numeric error codes" on page 49. Beep symptoms Symptom-to-FRU index Symptom or error FRU or action, in IBM BIOS Setup Utility is disabled. ThinkPad T20, T21, T22 and T23 series 53 LCD assembly. 3. Two or more short beeps, and one short beep. DIMM. 2. System board One ...