Toshiba Satellite U840 Series, Maintenance Manual

Page: 46 / 212

2 Troubleshooting Procedures
Satellite U840 Maintenance Manual (960-Q08)
20
Procedure 2 Message Check
When the power is turned on, the system performs the Initial Reliability Test (IRT) installed
in the BIOS ROM. When the test detects an error, an error message is displayed on the screen.
Make sure no other bootable disk. Turn on the computer and check the message on the screen.
When an OS starts from the SSD/2.5” HDD, go to Procedure 3. Otherwise, start with Check
1 below and perform the other checks as instructed.
Check 1 If either of the following messages appears, go to Check 3. If the following
messages do not appear, perform Check 3.
Insert system disk in drive
Press any key when ready .....
or
Non-System disk or disk error
Replace and press any key when ready
Check 2 Using the SYS command of the Free-DOS, transfer the system to the SSD/2.5”
HDD. If the system is not transferred, go to Procedure 3. Refer to the Free -DOS
Manual for detailed operation.
If the following message appears on the display, the system program has been
transferred to the SSD/HDD.
System Transferred
If an error message appears on the display, perform Check 3.
Check 3 SSD/2.5” HDD(s) and the connector(s) of system board may be defective (Refer
to the steps described in Chapter 4, Replacement Procedures for disassembling.).
Insert SSD/HDD(s) to the connector(s) firmly. If it is (or they are) firmly
connected, go to Procedure 3.