Toshiba A1 사용자 설명서

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 of no floppy disk in the FDD. Turn on the computer and check the message on the 
screen. When an OS starts from the 2.5” HDD, go to Procedure 3. Otherwise, start with Check 
1 below and perform the other checks as instructed. 

Check 1  If any of the following messages appear, go to Procedure 3. If the following 

messages do not appear, perform Check 2. 

HDC ERROR

 

 

or 

HDD #X ERROR (After 5 seconds this message will disappear.)  

Check 2  If either of the following messages appears, go to Check 3.  If the following 

messages do not appear, perform Check 5. 

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 3  Check SETUP to see whether the Hard Disk option is set to Not used. If it is set to 

Not used, choose another setting and return to Check 1. If it is not set to Not used, 
go to Check 4. 

Check 4  Using the SYS command of the MS-DOS, transfer the system to the 2.5” HDD. If 

the system is not transferred, go to Procedure 3. Refer to the MS-DOS Manual for 
detailed operation. 

If the following message appears on the display, the system program has been 
transferred to the HDD. 

System Transferred 

If an error message appears on the display, perform Check 5. 

Check 5  The 2.5” HDD and the connector of the system board may be disconnected (Refer 

to the steps described in Chapter 4, Replacement Procedures for disassembling.). 
Insert the connectors firmly. If they are firmly connected, go to Procedure 3.