Lenovo ThinkPad 600E Hardware Maintance Manual - June 1999: ThinkPad 600, 600E - Page 66

Function-Related Symptoms, Indicator-Related Symptoms

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Symptom-to-FRU Index Function-Related Symptoms Symptom / Error The system does not suspend or resume when the LCD is closed or opened. The battery Fuel-Gauge does not go higher than 90%. The memory count (size) appears different from the actual size. The system configuration does not match the installed devices. The system hangs intermittently. FRU / Action in Sequence 1. Go to "Suspend Mode" on page 26, and check that the computer can enter suspend mode. 2. Boot an operating system and press Fn+F4. If the computer enters suspend mode, suspect that the application program is not working properly. 3. LCD assembly 4. System board Go to "Checking the Battery Pack" on page 37 and see the note. Go to "Memory Checkout" on page 33. Go to "Checking the Installed Devices List" on page 42. Go to "Intermittent Problems" on page 64. Indicator-Related Symptoms Symptom / Error The indicator incorrectly remains off or on, but system runs correctly. The battery power status indicator blinks from green, yellow, to orange. The battery indicator does not turn on when the battery is installed. FRU / Action in Sequence 1. Sub card 2. System board 1. Check that a correct battery is installed. 2. Battery pack 3. System board 1. Battery pack 2. System board 60

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Symptom-to-FRU Index
Function-Related Symptoms
Symptom / Error
FRU / Action in Sequence
The system does not
suspend or resume when
the LCD is closed or
opened.
1.
Go to “Suspend
Mode” on page
26,
and check that the
computer can enter
suspend mode.
2.
Boot an operating
system and press
Fn
+
F4.
If the
computer enters
suspend mode,
suspect that the
application program is
not working properly.
3.
LCD assembly
4.
System board
The battery Fuel-Gauge
does not go higher than
90%.
Go to “Checking the
Battery Pack” on page
37
and see the note.
The memory count (size)
appears different from the
actual size.
Go to “Memory Checkout”
on page
33.
The system configuration
does not match the installed
devices.
Go to “Checking the
Installed Devices List” on
page 42.
The system hangs
intermittently.
Go to “Intermittent
Problems” on page
64.
Indicator-Related Symptoms
Symptom / Error
FRU / Action in Sequence
The indicator incorrectly
remains off or on, but
system runs correctly.
1.
Sub card
2.
System board
The battery power status
indicator blinks from green,
yellow, to orange.
1.
Check that a correct
battery is installed.
2.
Battery pack
3.
System board
The battery indicator does
not turn on when the battery
is installed.
1.
Battery pack
2.
System board
60