Removing and Replacing Parts: Dell� XPS P75/P90/P100 Mini Tower
Removing/Replacing Parts: XPS P75/P90/P100 Mini Tower
Removing the Cover | Removing/Replacing the
Front Bezel | Removing/Replacing
the 5.25-Inch Plastic Front-Panel Inserts | Removing/Replacing
the 3.5-Inch Front-Panel Insert | Removing/Replacing the
Metal Inserts | Removing/Replacing
a Drive in an External 5.25-Inch Drive Bay | Removing/Replacing
a Drive in an External 3.5-Inch Drive | Removing/Replacing a
Hard-Disk Drive | Removing/Replacing
the Power Supply | Removing/Replacing
the Reset Button | Removing/Replacing
the System Board | Removing/Replacing
the Heat Sink Assembly and Microprocessor | Removing/Replacing the
BIOS Chip | Removing/Replacing
the System Speaker | Removing/Replacing
the Card Guide Assembly | Removing/Replacing
the Microprocessor Cooling Fan
 |
NOTE: To replace parts follow the
steps below in reverse. |
Removing the Cover.
- Turn off the power and unplug the power cable.
- Unscrew the 1 cover-mounting screw on the back of the
computer.
- Disengage the 2 snaps on the bottom of the chassis.
- Slide the cover straight back 1 or 2 inches and tilt the cover up and back
to pivot the cover from the chassis.
- Removing the Cover.
- Facing the system unit's front panel, press in on the 4 tabs at the top and on
both sides of the bezel.
- Tilt the bezel toward you, and pull it away from the
chassis.
- Removing the Cover.
- Remove the front bezel.
- Hold the bezel so that
the user is facing its interior. Reach around to the
front of the bezel, and pop out the front-panel insert
toward the user.
- Removing the Cover.
- Remove the
front bezel.
- Hold the bezel so that
the user is facing its interior. Press against the tab on
each side of the insert until the insert snaps out.
- Removing the Cover.
- Remove the
front bezel.
- Hold the insert in
place, while using a 1/4-inch nut driver to unscrew the
screws that secure the insert to the system unit.
|
NOTE: If the system unit only has
one drive in the 5.25-inch drive bay, the user will need
to remove all the inserts and bend
them at the perforation line until they snap
apart. |
- Remove the cover.
- Remove the
front bezel.
- Remove
the plastic inserts if needed.
- Remove the
metal inserts if needed.
- Remove the power cable and the interface cable from the
back of the drive.
- To remove the drive, squeeze the tabs
on each side of the drive, and slide it forward and out
of the drive bay.
|
NOTE: When sliding the new drive
into its drive bay, make sure that both drive rail tabs
snap into place. If they do not, adjust the position of
each drive rail by loosening the screws and sliding the
drive rail forward or backward as needed. |
- Remove the cover.
- Remove the
front bezel.
- Remove the plastic inserts if needed.
- Remove the metal inserts if needed.
- Unscrew the 2 screws that secure the front of the 3.5-inch drive bracket to
the system unit.
- Slide the 3.5-inch drive bracket toward the back of the
system unit to disengage the six mounting tabs on the
drive bracket from the slots at the top of the 3.5-inch
drive bay.
- Unscrew the 2 screws on each side of the 3.5-inch drive
bracket, and slide the drive out of the drive bracket
- Remove the cover.
- Disconnect any cables from the back of the drive.
- Remove the screw
securing the drive assembly
to the chassis, and raise the bracket away from the power
supply.
|
NOTE: Lay the system on its side
to remove the hard-disk drive. |
- Remove the 2 screws on each side of the hard-disk drive
bracket that secure the drive to the bracket.
- Slide the drive out of the bracket.
- Remove the cover.
- Disconnect the DC power cables from the system board,
from any drives, and from any expansion cards.
- Remove the
front bezel.
- Remove the 2 screws that secure the power supply ground
wire to the chassis, and remove the 2 screws that secure
the power button assembly to the front bezel.
- Slide the retaining channel that secures the power switch
cable to the bottom of the drive cage toward the back of
the system unit.
- Remove
the Hard-Disk Drive.
- Remove the drive-bracket mounting screw that secures the
hard-disk drive bracket to the system unit's back panel,
and raise the bracket away from the power supply.
- While holding the system power supply with one hand,
remove the 4 screws that secure the power supply to the
system unit's back panel, and lift the power supply out
of the system unit.
|
NOTE: Lay the system on its side to
remove the power supply, because holding the hard-disk
drive bracket and removing the power supply at the same
time can be difficult. |
- Remove the cover.
- Remove the
front bezel.
- Disconnect the reset button cable from the reset button
connector on the system board
- Thread the cable through the ferrite cylinder attached to
the card guide.
- Use a small screwdriver to push the reset button
push-switch through its bracket in the card guide and
into the interior of the system unit.
- Remove the cover.
- Disconnect any cables attached to the port connectors on
the I/O panel.
- Disconnect the following cables from the system board:
- Diskette/tape drive interface cable
- Hard-disk drive interface cable
- Hard-disk drive access indicator cable
- DC power cables
- Control panel cables
- Remove any expansion cards.
- Remove the 3 screws that secure the system board to the
bottom of the system unit.
- Lift the system board up to release it from the three
plastic standoffs, and remove the board from the system
unit.
- Remove the cover.
- Remove any installed expansion cards that prevent access
to the microprocessor/heat sink assembly.
- Use a chip removal tool to remove the BIOS chip from its
socket
- Use the dot on one corner of the chip to orient the
replacement chip in the same direction as the chip just
removed.
- Remove the cover.
- Remove any expansion cards that block access to the
microprocessor.
- Remove the heat sink retention
clip from the microprocessor/heat sink
assembly.Press on the back of the clip to release it.
- Push outward and then upward on the microprocessor socket release
lever to rotate it to its fully vertical position
- Lift the microprocessor/heat sink assembly out of its
socket.
- Use the dented corner of the chip to orient the
replacement chip in the same direction as the chip just
removed.
- Remove the cover.
- Remove the
front bezel.
- Disconnect the speaker cable from its connector on the
system board.
- Pull the system speaker straight out of its preformed
bracket in the card guide assembly and the mounting hole
in the front panel of the system unit.
- Remove the cover.
- Disconnect any cables connected to any expansion cards
installed in an expansion slot, and remove the expansion
cards.
- Remove the
front bezel.
- Remove
the speaker.
- Remove the 2 screws that secure the power push-switch
assembly to the front panel of the system unit, and move
the power push switch out of the way.
- Disengage the card guide assembly by pressing inward on
the two mounting tabs that secure the assembly to the
front panel.
- To remove the card guide assembly from the system unit,
disconnect the cables for the hard-disk drive access
indicator assembly, the power indicator assembly, and the
reset push-switch assembly from the system board.
- Remove the cover.
- Remove
the card guide assembly.
- Disconnect the cooling fan cable from the connector
labeled "Fast Fan" on the system board.
- Unscrew the screw holding the cooling fan to the chassis,
and remove the fan.
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