Lenovo ThinkPad 560 ThinkPad 560X Hardware Maintenance Manual (Oct 1997) - Page 52

Function-Related Symptoms, Go to Memory Checkout

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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 34, 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 31 and see the note. The memory count (size) appears different from actual size. Go to "Memory Checkout" on page 28. The system configuration does not match the installed devices. Go to "Checking the Installed Devices List" on page 49. The system hangs intermittently. Go to "Intermittent Problems" on page 45. Indicator-Related Symptoms Symptom / Error FRU / Action in Sequence The indicator incorrectly remains off or on, but system runs correctly. System board. DC/DC card. The battery power status indicator blinks from green, yellow, to orange. 1. Check that a correct battery is installed. 2. Battery pack. 3. DC/DC card. 4. System board. The battery indicator does not turn on when the battery is installed. DC/DC card. Battery pack. System board. 42 IBM ThinkPad 560X (2640-60x, 70x) HMM

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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
34,
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
31
and see the note.
The memory count (size)
appears different from
actual size.
Go to “Memory Checkout”
on page
28.
The system configuration
does not match the installed
devices.
Go to “Checking the
Installed Devices List” on
page 49.
The system hangs
intermittently.
Go to “Intermittent
Problems” on page
45.
Indicator-Related Symptoms
Symptom / Error
FRU / Action in Sequence
The indicator incorrectly
remains off or on, but
system runs correctly.
±
System board
.
±
DC/DC card.
The battery power status
indicator blinks from green,
yellow, to orange.
1.
Check that a correct
battery is installed.
2.
Battery pack.
3.
DC/DC card.
4.
System board.
The battery indicator does
not turn on when the battery
is installed.
±
DC/DC card
.
±
Battery pack.
±
System board.
42
IBM ThinkPad 560X (2640-60x, 70x) HMM