Troubleshooting Charts
Message
Cause and Action
30
x
(keyboard error)
Make sure that no object is placed on the keyboard or on the external keyboard,
if you have one. Power off the computer and power off all attached devices.
Power on the computer first; then power on the attached devices.
If you still have a problem, do the following:
If an external keyboard is connected, do the following:
– Power off the computer and disconnect the external keyboard; then
power on the computer. Make sure that your keyboard operation is
correct. If it is, have the external keyboard serviced.
– Make sure that the external keyboard is connected to the correct
connector.
Test the computer by selecting the Start icon in the Easy-Setup “Test”
submenu.
– If the computer stops during the test, have the computer serviced.
6
xx
(diskette error)
Have the computer serviced.
11
xx
(serial port error)
Have the computer serviced.
12
xx
(infrared error)
Have the computer serviced.
17
xx
(hard disk error)
Have the computer serviced.
1801
(unsupported port
replicator)
The attached port replicator is not supported.
24
xx
(video error)
Have the computer serviced.
808
x
(PC Card slot error)
Have the computer serviced.
860
x
(pointing device error)
Make sure that the external mouse or the external keyboard is connected
correctly. If it is connected correctly, have the computer serviced.
Diskette and F1 prompts
F2
F10
F1
Make sure that the hard disk drive is correctly installed.
Or, make sure that the self-starting diskette is inserted correctly (with the label
facing up and metal-shutter end first) in the diskette drive.
If it is, press F1. If both prompts remain, have the computer serviced.
Chapter 4. Solving Computer Problems
137
Summary of Contents for ThinkPad 770E-ED
Page 1: ......
Page 6: ...vi IBM ThinkPad 770X User s Reference ...
Page 18: ...Identifying the Hardware Features Rear View 4 IBM ThinkPad 770X User s Reference ...
Page 60: ...Getting Service 46 IBM ThinkPad 770X User s Reference ...
Page 62: ...Device Restrictions 96 48 IBM ThinkPad 770X User s Reference ...
Page 112: ...Replacing an UltraBay II Device 98 IBM ThinkPad 770X User s Reference ...
Page 180: ...Testing Your Computer 166 IBM ThinkPad 770X User s Reference ...