IBM Aptiva 2174 Hardware Maintenance Service page 75

Table 2-3 Error Symptoms List
NOTE:
To diagnose a problem, first find the error symptom in the left column. If directed
to a check procedure, replace the FRU indicated in the check procedure. If no
check procedure is indicated, the first Action/FRU listed in right column is the
most likely cause.
Error Symptoms
NOTE:
Ensure hard disk drive is configured correctly in BIOS Setup, cable/jumper are
set correctly before diagnosing any hard disk drive problems.
Hard disk drive test failed.
Hard disk drive format error.
Hard disk drive write error.
Hard disk drive LED fails to
light, but system operates
normally.
NOTE:
Ensure CD/DVD-ROM drive is configured correctly in BIOS Setup, cable/
jumper are set correctly and its laser beam is clean before diagnosing any
CD/DVD-ROM drive problems.
CD/DVD-ROM drive LED
flashes for more than 30
seconds before LED shutting
off.
Software asks to reinstall disc.
Software displays a reading
CD/DVD error.
(Continued)
Hard Disk Drive
Enter BIOS Setup and Load default settings.
Hard disk drive cable.
Hard disk drive.
System board.
Enter BIOS Setup and Load default settings.
Hard disk drive cable.
Hard disk drive.
System board.
Enter BIOS Setup and Load default settings.
Hard disk drive.
With the system power on, measure the voltage of
hard disk LED connector J26 for 2174. The reading
should be:
2174(J26)
pin-1
pin-3
pin-5
pin-7
See "Machine Type 2174 System Board Jumpers
and Connectors" on page 107.
CD/DVD-ROM Drive
CD/DVD may have dirt or foreign material on it.
Check with a known good disc.
CD/DVD is not inserted properly.
CD/DVD is damaged.
Action/FRU
HDD Idle/Active
+5 Vdc / --
+5 Vdc / 0 Vdc
+5 Vdc / 0 Vdc
+5 V dc / --
Check Procedures 43