Lenovo ThinkServer TS100 Hardware Maintenance Manual page 162

v Follow the suggested actions in the order in which they are listed in the Action column until the problem
is solved.
v See Chapter 3, "Parts listing, ThinkServer TS100 Machine Types 6431, 6432, 6433, and 6434," on page 37
to determine which components are customer replaceable units (CRU) and which components are field
replaceable units (FRU).
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Error code Description
I9990301 Hard disk drive boot sector error.
I9990650 AC power has been restored.
144
ThinkServer TS100 Types 6431, 6432, 6433, and 6434: Hardware Maintenance Manual
Action
1. Reseat the following components, depending on
the server model:
v Hot-swap models:
a. Hard disk drive
b. SAS/SATA controller
v Simple-swap models:
a. Hard disk drive
b. Hard disk drive cable
2. Replace the following components one at a time,
depending on the server model, in the order
shown, restarting the server each time:
v Hot-swap models:
a. Hard disk drive
b. Hard disk drive backplane
c. SAS/SATA controller
v Simple-swap models:
a. Hard disk drive
b. Hard disk drive cable
3. (Trained service technician only) Replace the
system board.
1. Reseat the power cords.
2. Check for interruption of the external power.
3. Replace the power cords.