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Audio-Related Symptoms
Symptom/Error FRU/Action in Sequence
Internal speakers
make noise or emit
no sound.
Speaker volume control
Go to “Audio Function Check”
on page 115.
External speakers
make noise or emit
no sound.
Speaker volume control
Go to “Audio Function Check”
on page 115.
In DOS or Windows,
multimedia programs,
no sound comes from
the computer. (Only
system beeps are
heard at power on.)
Speaker volume control
Go to “Audio Function Check”
on page 115.
PC Card (PCMCIA)-Related Symptoms
Symptom/Error FRU/Action in Sequence
System cannot detect
the PC Card
(PCMCIA)
PC Card (PCMCIA) slots
assembly
System board
PCMCIA slot pin is
damaged.
PC Card (PCMCIA) slots assembly
Power Management-Related Symptoms
Symptom/Error FRU/Action in Sequence
The system doesn't
enter hibernation
mode and four short
beeps every minute
are heard.
Go to “Hibernation Mode” on
page 121.
Boot an operating system and
press Fn+F12 to see if the
computer enters hibernation
mode.
TrackPoint board
Keyboard
Hard disk connection board
Hard disk drive
System board
The system doesn't
resume from
hibernation mode.
Go to “Hibernation Mode” on
page 121.
Hard disk connection board
Hard disk drive
System board
The system doesn't
enter standby mode
after closing the LCD.
Chassis (LCD cover switch on
chassis)
System board
The system doesn't
resume from standby
mode after opening
the LCD.
Chassis (LCD cover switch on
chassis)
System board
ThinkPad i Series 1400 (Part II) 129