Lenovo ThinkPad i Series 1400 Hardware Maintenance Manual (August 1999) - Page 51

Audio-Related Symptoms, PC Card (PCMCIA)-Related Symptoms, Power Management-Related Symptoms

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Page 51 highlights

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 29. External speakers make noise or emit no sound. Speaker volume control Go to "Audio Function Check" on page 29. In DOS or Windows, multimedia programs, no sound comes from the computer. (Only system beeps are heard at poweron.) Speaker volume control Go to "Audio Function Check" on page 29. 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 35. 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 35. 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 I) 43

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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
29.
External speakers
make noise or emit
no sound.
±
Speaker volume control
±
Go to “Audio Function Check”
on page
29.
In DOS or Windows,
multimedia programs,
no sound comes from
the computer.
(Only
system beeps are
heard at poweron.)
±
Speaker volume control
±
Go to “Audio Function Check”
on page
29.
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 35.
±
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 35.
±
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 I)
43