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Numeric keypad
Math coprocessor
Mouse
External display.
- Go to Step 010.
--------------------------------------------------------------------------
+---+
¦010¦
+---+
- Plug in the AC adapter and power-on the system.
DOES ANY INDICATOR REMAIN ON?
Yes
No
¦
¦
¦
+---+
¦
¦011¦
¦
+---+
¦
- Power-off the system and remove the following.
¦
Hard disk drive
¦
Diskette drive
¦
LCD cables
¦
Keyboard flexible cables
¦
- Power-on the system again.
¦
- Go to Step 013.
¦
+---+
¦012¦
+---+
Suspect one of the options or devices.
- Reinstall each of the options or devices to the system one at a time,
and power-on the system to see if the original problem occurs.
- Replace the last installed option or device when the problem occurs.
--------------------------------------------------------------------------
+---+
¦013¦
+---+
DOES ANY INDICATOR REMAIN ON?
Yes
No
¦
¦
¦
+---+
¦
¦014¦
¦
+---+
¦
- Replace the following FRUs one at a time until the problem is
¦
corrected.
¦
Indicator card
¦
System board
¦
Voltage converter
¦
+---+
¦015¦
+---+
Suspect one of the devices.
- Reinstall each of the devices to the system one at a time, and power-on
the system to see if the original problem occurs.
- Replace the last installed device when the problem occurs.
--------------------------------------------------------------------------
+---+
¦016¦
+---+
- Observe the system-status indicators for about 1 second after power on.
+------------------------------------------------------------------------+
¦ System-Status
¦ Indicator
+-----------------------+------------------------+-----------------------¦
¦
¦ Power-On
¦ Suspend Mode
¦ Scroll Lock
¦ Caps Lock
¦ Numeric Lock
¦ Diskette Drive in Use ¦
¦ Hard Disk Drive in Use¦
¦ Battery ID 2
¦ Battery Status 2
¦ Battery ID 1
¦ Battery Status 1
¦ Carrier Detect
¦
+------------------------------------------------------------------------+
If the status is equal to one of the above conditions, replace the
IBM PS/2 Model CL57 SX HMS
Power Supply
¦
¦ Condition A
¦
¦
Off
¦
Off
¦
On
¦
On
¦
On
On
On
¦
Off
¦
Off
¦
Off
¦
Off
¦
-
¦
¦ Copyright IBM Corp. 1992
5.0 - 2
¦
¦ Condition B
¦
¦
On
¦
On
¦
Off
¦
Off
¦
Off
¦
Off
¦
Off
¦
On
¦
On
¦
On
¦
On
¦
-
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
¦
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