| Symptom or error | FRU or action, in sequence | |
| 
 | 
 | 
 | 
| 2000 | 1. | Undock docking station or port | 
| Hard Drive Active Protection sensor | 
 | replicator if it is attached to the | 
| diagnostics failed. | 
 | ThinkPad computer, and place the | 
| Press <Esc> to continue. | 
 | computer on a horizontal surface. Do not | 
| Press <F1> to enter SETUP | 
 | apply any physical shock to the | 
| 
 | 
 | computer. | 
| 
 | 2. | Run Diagnostics  | 
| 
 | 
 | |
| 
 | 
 | |
| 2010 | Inform the following information to the | |
| Warning: Your internal hard disk drive | customer: | |
| (HDD) may not function correctly on this | If in the primary bay the customer is using a | |
| system. Ensure that your HDD is supported | ||
| on this system and that the latest HDD | (HDD), or an old generation IBM HDD | |
| firmware is installed. | which is not supported by this system, with | |
| 
 | the risk in mind, the customer can still use it | |
| 
 | by pressing ESC. If in the primary drive bay | |
| 
 | the customer is using a supported | |
| 
 | IBM/Lenovo HDD with an old firmware, | |
| 
 | the customer needs to update its firmware to | |
| 
 | the latest. The latest version is available at | |
| 
 | http://www.lenovo.com/support | |
| 
 | 
 | 
 | 
| 2100 | 1. | Reseat the hard disk drive. | 
| Initialization error on HDD0 (Main hard | 2. | Main hard disk drive. | 
| disk drive) | 3. | System board. | 
| 
 | 
 | 
 | 
| 2102 | 1. | Reseat the hard disk drive. | 
| Initialization error on HDD1 (Ultrabay hard | 2. | Ultrabay hard disk drive. | 
| disk drive) | 3. | System board. | 
| 
 | 
 | 
 | 
| 2110 | 1. | Reseat the hard disk drive. | 
| Read error on HDD0 (Main hard disk drive) | 2. | Main hard disk drive. | 
| 
 | 3. | System board. | 
| 
 | 
 | 
 | 
| 2112 | 1. | Reseat the hard disk drive. | 
| Read error on HDD1 (Ultrabay hard disk | 2. | Ultrabay hard disk drive. | 
| drive) | 3. | System board. | 
| 
 | 
 | 
 | 
52MT 1951, 1952, 1953, 1954, 1955, 1956, 2007, 2008, 2009, 2613, 2623, and 2637
