Important service information
Attention
The setup configuration on the computer you are servicing may have been customized. Running Automatic Configuration may alter the settings. Note the current configuration settings (using the View Configuration option); then, when service has been completed, verify that those settings remain in effect.
Strategy for replacing a hard-disk drive
Always try to run a
Attention
The drive startup sequence in the computer you are servicing may have been changed. Be extremely careful during write operations such as copying, saving, or formatting. If you select an incorrect drive, data or programs can be overwritten.
How to use error messages
Use the error codes displayed on the screen to diagnose failures. If more than one error code is displayed, begin the diagnosis with the first error code. Whatever causes the first error code may also cause false error codes. If no error code is displayed, see if the error symptom is listed in the
Diskette compatibility matrix
The compatibility of each of the drives with the diskettes for it is as follows:
Diskette | Diskette | Compatibility |
drive | capacity |
|
|
|
|
1.0 MB | Read and write | |
| 2.0 MB | Read and write |
| 4.0 MB | Not compatible |
|
|
|
2ThinkPad A21e
