Lenovo ThinkPad 390 Hardware Maintenance Manual (March 1999): ThinkPad 390E on - Page 53

Error Messages, No Beep Symptoms, Enter BIOS Setup Utility and see if

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Error Messages Symptom/Error FRU/Action in Sequence Device Address Conflict 1. Load Setup Defaults in BIOS Setup Utility. 2. Backup battery (RTC) 3. System board Allocation Error for: device 1. Load Setup Defaults in BIOS Setup Utility. 2. Backup battery (RTC) 3. System board Failing Bits: nnnn 1. DIMM 2. BIOS ROM 3. System board Invalid System Configuration Data 1. BIOS ROM 2. System board I/O device IRQ conflict 1. Load Setup Defaults in BIOS Setup Utility. 2. Backup battery (RTC) 3. System board Operating system not found 1. Enter BIOS Setup Utility and see if the hard disk drive and diskette drive A: are properly identified. 2. Diskette drive (FDD ASM) 3. Hard disk drive 4. System board Critical battery low Save your work; then connect the AC Adapter to the computer to recharge the battery. No Beep Symptoms Symptom/Error FRU/Action in Sequence No beep, power-on indicator on, LCD blank, no POST Ensure every connector is connected tightly and correctly. DIMM Reseat CPU card. CPU card System board No beep, power-on indicator off, LCD blank during POST Battery ASM AC Adapter DC-DC & BATT board ASM System board No beep, power-on indicator on, LCD blank during POST Reseat DIMM. CPU card System board ThinkPad 390E 43

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Error Messages
Symptom/Error
FRU/Action in Sequence
Device
Address Con-
flict
1.
Load Setup Defaults in BIOS Setup
Utility.
2.
Backup battery (RTC)
3.
System board
Allocation
Error for:
device
1.
Load Setup Defaults in BIOS Setup
Utility.
2.
Backup battery (RTC)
3.
System board
Failing Bits:
nnnn
1.
DIMM
2.
BIOS ROM
3.
System board
Invalid
System Con-
figuration
Data
1.
BIOS ROM
2.
System board
I/O device
IRQ conflict
1.
Load Setup Defaults in BIOS Setup
Utility.
2.
Backup battery (RTC)
3.
System board
Operating
system not
found
1.
Enter BIOS Setup Utility and see if
the hard disk drive and diskette drive
A: are properly identified.
2.
Diskette drive (FDD ASM)
3.
Hard disk drive
4.
System board
Critical
battery low
Save your work; then connect the AC
Adapter to the computer to recharge the
battery.
No Beep Symptoms
Symptom/Error
FRU/Action in Sequence
No beep, power-on
indicator on, LCD
blank, no POST
±
Ensure every connector is
connected tightly and cor-
rectly.
±
DIMM
±
Reseat CPU card.
±
CPU card
±
System board
No beep, power-on
indicator off, LCD
blank during POST
±
Battery ASM
±
AC Adapter
±
DC-DC & BATT board ASM
±
System board
No beep, power-on
indicator on, LCD
blank during POST
±
Reseat DIMM.
±
CPU card
±
System board
ThinkPad 390E
43