Symptom/Error FRU/Action
173
(Configuration data were
lost.)
1. Select OK in the error
screen; then set time
and date.
2. Backup Battery
3. System Board
174
(Perform “Checking the
Installed Devices List” on
page 422 before changing
any FRUs.)
1. Check Device
Configuration.
2. System Board
3. Diskette Drive
Assembly
4. Hard Disk Drive
Assembly
175, 177, 178 1. System Board
183
(Incorrect password entered
at the supervisor password
prompt.)
1. Have the user
examine the
password.
184
(POP check sum error.)
1. Reset the POP in the
Easy-Setup.
185
(The startup sequence is
not valid. Suspect that
power was off when the
startup sequence was being
updated.)
1. Reset the startup
sequence in the
Easy-Setup.
186 1. System Board
188 1. Set the system
identification using
the ThinkPad 750Ce
hardware
maintenance diskette.
190
(Depleted battery pack was
installed when the power
was on.)
1. Go to “Checking the
Battery Pack” on
page 399.
191XX 1. System Board
2. Processor card
196
(Read error occurred in the
hibernation area of the
HDD.)
1. Run the hard disk
drive test.
2. Hard Disk Drive
199XX 1. System Board
1XX 1. System Board
2XX 1. Go to “Memory
Checkout” on
page 393.
2. IC DRAM Card, DIMM,
or DIMM Adapter
3. System Board
ThinkPad 755CE, 755CSE, 755CV, 755CX (9545) 409
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