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P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
T
ROUBLESHOOTING
5
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
XX000YZZ 201–Memory Error
Probable Cause Recommended Action
Memory failure
1. Replace the memory
modules.
2. Replace the system board
.
301-Keyboard Error
Probable Cause Recommended Action
Keyboard failure
1. Make sure the keys are not
depressed during POST.
2. With the Notebook in
Full-Off mode, reconnect
the keyboard.
3. Replace the keyboard
.
304–Keyboard or System Unit Error
Probable Cause Recommended Action
Keyboard or system board
error
1. Replace the keyboard
.
2. Replace the TouchPad
.
3. Replace the system board
.
601–Diskette Controller Error
Probable Cause Recommended Action
Mismatch in drive type or
failure in the diskette
controller
1. Run Checkup (TEST)
.
2. Check or replace cables
.
3. Replace the system board
.
605–Diskette Drive Error
Probable Cause Recommended Action
Mismatch in drive type
1. Run Setup.
2. Check or replace cables
.
3. Replace the diskette drive
.
4. Replace the system board
.