|
|
|
+---+
|001|
+---+
DID THE PROBLEM OCCUR ONLY WHEN USING THE AC ADAPTER ?
+---+
Yes No-+002| Go to Step 004
+-+-+ +---+
|003|
+---+
Go to 'Testing the AC Adapter', If that does not
correct the problem, replace the voltage converter.
-----------------------------------------------------------------------
+---+
|004|
+---+
DID THE PROBLEM OCCUR ONLY ON BATTERY POWERED OPERATION ?
+---+
Yes No-+005| Go to Step 007
+-+-+ +---+
|006|
+---+
- Make sure the battery packs are fully charged.
- Go to 'Testing the Battery Pack' and check the battery packs.
If that does not correct the problem,
replace the voltage converter.
-----------------------------------------------------------------------
+---+
|007|
+---+
DO ALL SYSTEM STATUS INDICATORS REMAIN OFF AFTER POWER ON ?
+---+
Yes No-+008| Go to Step 016
+-+-+ +---+
|009|
+---+
- Remove the following if installed:
° Battery packs
° Backup battery
° IC DRAM card
° Internal Data/Fax modem
° Serial adapter
° Numeric keypad
° Math coprocessor
° Mouse
° External display
- Go to Step 010
-----------------------------------------------------------------------
+---+
|010|
+---+
- Plug in the AC adapter and power-on the computer.
DOES ANY INDICATOR REMAIN ON ?
+---+
Yes No-+011|
| +---+
| - Power-off the computer and remove the following.
|
| ° Hard disk drive
| ° Diskette drive
| ° LCD cables
| ° Keyboard flexible cables
|
| - Power-on the computer again.
+-+-+ - Go to Step 013
|012|
+---+
Suspect one of the options or devices.
- Reinstall each of the options or devices to the computer one at a
time, and power-on the computer 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 computer one at a time, and
power-on the computer 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 Condition A Condition B
---------------------------------------------------
Power-On Off On
Suspend Mode Off On
Scroll Lock On Off
Caps Lock On Off
Numeric Lock On Off
Diskette Drive On Off
Hard Disk Drive On Off
Battery ID 2 Off On
Battery Status 2 Off On
Battery ID 1 Off On
Battery Status 1 Off On
Carrier Detect - -
If the status lights match either condition A or B,
replace
the voltage converter. If the status lights are different from
condition A or B, or replacing the
voltage converter does not correct the problem, go to 'Undetermined Problem'
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.