IBM 2158240 - Aptiva E - 2158 Maintenance And Service Manual page 74

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
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.
CD/DVD-ROM drive LED
doesn't come on but works
normally.
42
(Continued)
Enter BIOS Setup and Load default settings.
Hard disk drive.
With the system power on, measure the voltage of
hard disk LED connector CN2 for 2158 or CN14 for
2163. The reading should be:
2158(CN2) 2163(CN14)
pin-4 pin-1
pin-5 pin-2
pin-6 pin-3
pin-7 pin-4
See "Machine Type 2158 System Board Jumpers
and Connectors" on page 107 and "Machine Type
2163 System Board Jumpers and Connectors" on
page 111.
Hard drive LED cable.
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.
CD/DVD-ROM drive
Action/FRU
HDD Idle/Active
+5 Vdc / --
+5 Vdc / 0 Vdc
+5 Vdc / 0 Vdc
+5 Vdc / --