132
7321 N/B Maintenance
7321 N/B Maintenance
Correct
It.
DISKETTE DRIVE TEST ERROR
Yes
No
Re - boot
OK?
1. Try another known good diskette,and
check the floppy and cable for proper
installation.
2. Check BIOS setup.
Replace faulty parts.
Try another known good
floppy module.
Yes
No
Re - boot
OK?
One of the following components or signals on the
motherboard may be defective or cold solder use an
oscilloscope to check the
signals or replace the parts one at a time and test after
each replacement.
Board-level
Troubleshooting
Replace main
Board
U21 U24
C280 C281
L62 J515
Parts
Signals
Check
U52,J17,J13
for cold solder?
Yes
No
RE-SOLDERING
FDD INDX# FDD DRV0
FDD DSKCHG# FDD DIR#
FDD MODE FDD STEP#
FDD HDSEL# FDD WDATA#
FDD WGATE# FDD TRK0#
FDD RDATA#
8.10 Diskette Drive Test Error
Symptom:
Symptom:
An Error Message Is Shown When Reading/ Writing Data from/to Diskette Drive.
Summary of Contents for MiNote 7321
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