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50 R
EMOVAL
& R
EPLACEMENT
P
RESARIO
N
OTEBOOK
M
AINTENANCE
AND
S
ERVICE
G
UIDE
1800 S
ERIES
Presario 1800/1800T Series
Models: XL280, XL380, XL381,
and XL390
19. Remove four screws (shown below) from the system board.
Note: The edges of the system board may be secured by shielded tape. This tape must
be removed to free the system board.
Continued on the next page.