Toshiba Infinia 7130 Series Maintenance Manual page 82

Procedure 4
The purpose of this procedure is to determine if the FDD is defective. To perform this
procedure, perform the following Check.
Check (A) Replace the FDD (refer to section 4.8.). (B) Insert a known good bootable
MS-DOS diskette in the FDD. (C) Restart the computer and attempt to boot from
the FDD.
If the system boots, perform the Repair Completion Process. If the system does
not boot, perform Procedure 5.
Procedure 5
The purpose of this procedure is to determine if the system board is defective, causing the
FDD problem. To perform this procedure, perform the following Check.
Check (A) Replace the system board (refer to section 4.9.). (B) Insert a known good
bootable MS-DOS diskette in the FDD. (C) Restart the computer and attempt to
boot from the FDD.
If the system boots, perform the Repair Completion Process. If the system does
not boot, contact Toshiba technical support.
Hard Disk Drive (HDD) Troubleshooting Process
This section describes how to determine if the HDD is operating properly. To perform this
process, begin with Procedure 1 and perform the remaining procedures as instructed. The
procedures described in this section include:
Procedure 1
Procedure 2
Procedure 3
Procedure 4
Procedure 5
Procedure 6
Procedure 7
Procedure 8
Procedure 9
Procedure 10
Procedure 11
NOTE: Before performing the HDD troubleshooting process, advise the
customer to attempt to perform a back up on the HDD to protect personal data.
Also, advise the customer that if they have not already received the Backup
Utilities Software CD-ROM, they should contact Toshiba for information on how
to receive this backup utility.
Infinia™ 7130, 7160, and 7200 Maintenance Manual ---------------------------------------- 3-75
FDD Replacement Check
System Board Replacement Check
HDD Boot Check
Data Cable and Connector Check
Voltage Check
FDD Boot Disk Check
Data Cable Replacement Check
Virus Check
Diagnostics Testing Check
Abnormal Noise Check
Connector Pin Check
HDD Reformat Check
HDD Replacement Check