compaq presario 1100 series User Manual

							2-20 Removal and Replacement Service Manual
Removing the Top Case
(Authorized Service Providers Only)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Hard disk drive (page 2-6).
 • 
Keyboard cover (page 2-10).
 • 
Speaker assembly (page 2-12).
 • 
Switchboard PCA (page 2-13).
 • 
Keyboard (page 2-13).
 • 
CD/DVD drive (page 2-16).
 • 
Display assembly (page 2-17).
 
3. 
Remove the two screws from the rear of the bottom case.
 
4. 
Remove the screws from the middle and near the back of the top case.
 
5. 
Remove the rubber screw plugs and screws from the bottom case.
 
6. 
Lift the top case off of the notebook and then disconnect the touch pad cable from the
motherboard. 
						

							Service Manual Removal and Replacement 2-21
 
  Figure 2-13. Removing the Top Case
Screw, M2.5×4mm
Screw,
M2.5×6mm (15)
Screw,
M2.5×7mm (2) Screw, M2.5×4mm 
						

							2-22 Removal and Replacement Service Manual
Removing the Floppy Drive
(Authorized Service Providers Only)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Hard disk drive (page 2-6).
 • 
Keyboard cover (page 2-10).
 • 
Switchboard PCA (page 2-13).
 • 
Keyboard (page 2-13).
 • 
Display assembly (page 2-17).
 • 
Top case (page 2-20).
 
3. 
Remove the screws (right side) that secure the hard disk drive guide to the motherboard. Note that
the screws (left side) are missing. These screws were removed during the top case removal
procedure.
 
4. 
Disconnect the motherboard cable.
 
5. 
Remove the screws that secure the floppy drive to the motherboard.
 
6. 
Remove the floppy drive. 
						

							Service Manual Removal and Replacement 2-23
 
  Figure 2-14. Removing the Floppy Drive
Screw,
M2.5×4mm (2)
Screw,
M2.5×4mm (2) 
						

							2-24 Removal and Replacement Service Manual
Reassembly Notes
  Caution
 
Do not excessively bend or fold the floppy drive cable. Excessive flexing can damage the floppy
drive cable connections.
 • 
Connect the floppy drive cable to the motherboard prior to replacing the floppy drive and hard disk
drive guide.
 • 
When replacing the hard disk drive guide, do not secure the left side to the motherboard. The left
side of the guide gets secured during the top case replacement procedure. 
						

							Service Manual Removal and Replacement 2-25
Removing the Infrared (I/R) PCA
(Authorized Service Providers Only)
Required Equipment
 • 
#1 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Hard disk drive (page 2-6).
 • 
Keyboard cover (page 2-10).
 • 
Switchboard PCA (page 2-13).
 • 
Keyboard (page 2-13).
 • 
Display assembly (page 2-17).
 • 
Top case (page 2-20).
 
3. 
Disconnect the cable from the motherboard.
 
4. 
Remove the screws that secure the I/R PCA to the bottom case.
 
5. 
Remove the I/R PCA. 
						

							2-26 Removal and Replacement Service Manual
Reassembly Note
  Caution
 
Use care when handling the I/R PCA cable. Damaging the cable can degrade notebook
performance.
 • 
Make sure you route the I/R PCA cable between the left screw hole and the bottom case.
 
  Figure 2-15. Removing the I/R PCA
Screw,
M2.5×4mm (2) 
						

							Service Manual Removal and Replacement 2-27
Removing the Heatsink (with Fan)
(Authorized Service Providers Only)
Required Equipment
 • 
#0 Phillips screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Hard disk drive (page 2-6).
 • 
Keyboard cover (page 2-10).
 • 
Switchboard PCA (page 2-13).
 • 
Keyboard (page 2-13).
 • 
Display assembly (page 2-17).
 • 
Top case (page 2-20).
 
3. 
Remove all three retaining screws.
 
4. 
Lift up on the heatsink (with fan) and then disconnect the fan cable from the motherboard.
 
  Figure 2-16. Removing the Heatsink (with Fan)
Screw, M2.5×4mm (3) 
						

							2-28 Removal and Replacement Service Manual
 Caution
  Do not spin the fan blades with your finger, or you could damage the fan’s bearings.
Reassembly Notes
 • 
If the thermal pad is damaged, use a sharp knife or scraper to carefully remove it from the heat
sink, then attach a new thermal pad.
 • 
Install the heatsink screws in this order:
1. 
Install all three screws lightly.
2. 
Fully tighten the screws in the order marked on the heatsink. 
						

							Service Manual Removal and Replacement 2-29
Removing the CPU Module
(Authorized Service Providers Only)
Required Equipment
 • 
Small flat-blade screwdriver.
Removal Procedure
 
1. 
Unplug the AC adapter, if present, and remove the battery.
 
2. 
Remove these additional assemblies:
 • 
Hard disk drive (page 2-6).
 • 
Keyboard cover (page 2-10).
 • 
Switchboard PCA (page 2-13).
 • 
Keyboard (page 2-13).
 • 
Display assembly (page 2-17).
 • 
Top case (page 2-20).
 • 
Heatsink (page 2-16).