Lenovo ThinkPad X1 Hardware Maintenance Manual - Page 50

Error messages, Beep symptoms, Table 2. Numeric error codes continued, Table 3. Error messages

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Table 2. Numeric error codes (continued) Symptom or error 2110 Read error on HDD0 (Main HDD) 2101 Read error on HDD0 (Main HDD) 2112 Read error on HDD2 (Mini SATA) 2200 Machine Type and Serial Number are invalid. 2201 Machine UUID is invalid. FRU or action, in sequence 1. Reseat the hard disk drive. 2. Main hard disk drive. 3. System board. 1. Reseat the hard disk drive. 2. Ultrabay hard disk drive.. 3. System board. 1. Reseat the Mini SATA (mSATA) device. 2. mSATA device. 3. System board. System board. System board. Error messages Table 3. Error messages Symptom or error Fan error. Thermal sensing error. FRU or action, in sequence 1. Fan. 2. Thermal grease. 3. System board. System board. Beep symptoms Table 4. Beep symptoms Symptom or error FRU or action, in sequence One beep and a blank, unreadable, or flashing LCD. 1. Reseat the LCD connector. 2. LCD assembly. 3. External CRT. 4. System board. One long and two short beeps, and a blank or unreadable LCD. 1. System board. 2. LCD assembly. 3. DIMM. Two short beeps with error codes. POST error. See "Numeric error codes" on page 42. Two short beeps and a blank screen. 1. System board. 2. DIMM. Two or more beeps, or a continuous beep. Operating system starts successfully. If a mini-PCI Ethernet card is installed, confirm that Alert On LAN 2 in the ThinkPad Setup program is disabled. Three short beeps, pause, three more short beeps, and one short beep. 1. DIMM. 2. System board One short beep, pause, three short beeps, pause, three more short beeps, and one short beep. Only the cursor appears. Reinstall the operating system. Four cycles of four short beeps and a blank screen. System board (security chip) Five short beeps and a blank screen. System board 44 Hardware Maintenance Manual

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Table 2. Numeric error codes (continued)
Symptom or error
FRU or action, in sequence
2110
Read error on HDD0 (Main HDD)
1.
Reseat the hard disk drive.
2. Main hard disk drive.
3. System board.
2101
Read error on HDD0 (Main HDD)
1.
Reseat the hard disk drive.
2. Ultrabay hard disk drive..
3. System board.
2112
Read error on HDD2 (Mini SATA)
1.
Reseat the Mini SATA (mSATA) device.
2. mSATA device.
3. System board.
2200
Machine Type and Serial Number are invalid.
System board.
2201
Machine UUID is invalid.
System board.
Error messages
Table 3. Error messages
Symptom or error
FRU or action, in sequence
Fan error.
1.
Fan
.
2. Thermal grease.
3. System board.
Thermal sensing error.
System board
.
Beep symptoms
Table 4. Beep symptoms
Symptom or error
FRU or action, in sequence
One beep and a blank, unreadable, or flashing LCD.
1.
Reseat the LCD connector
.
2. LCD assembly.
3. External CRT.
4. System board.
One long and two short beeps, and a blank or unreadable
LCD.
1.
System board
.
2. LCD assembly.
3. DIMM.
Two short beeps with error codes.
POST error. See “Numeric error codes” on page 42.
Two short beeps and a blank screen.
1.
System board
.
2. DIMM.
Two or more beeps, or a continuous beep. Operating
system starts successfully.
If a mini-PCI Ethernet card is installed, confirm that
Alert
On LAN 2
in the ThinkPad Setup program is
disabled
.
Three short beeps, pause, three more short beeps, and
one short beep.
One short beep, pause, three short beeps, pause, three
more short beeps, and one short beep.
1.
DIMM
.
2. System board
Only the cursor appears.
Reinstall the operating system
.
Four cycles of four short beeps and a blank screen.
System board
(security chip)
Five short beeps and a blank screen.
System board
44
Hardware Maintenance Manual