HP Pavilion Zt1000 Xz300 Service Manual

Technology Code ID)  Removal and Replacement  2-9 
Removing the Keyboard Cover 
(User-Replaceable) 
Required Equipment 
• #0 Phillips screwdriver. 
• Small flat-blade screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery. 
2.  Close the notebook’s display, and remove both screws from the backs of the hinge covers. 
 
 
Figure 2-6. Removing the Keyboard Cover Retaining Screws 
3.  Open the display so that it lays flat. 
4.  Use the flat-blade screwdriver to...

2-10  Removal and Replacement  Technology Code ID) 
6.  Disconnect the keyboard cover switch cable from the motherboard, and remove the cover from the 
notebook. 
 
 
Figure 2-7. Removing the Keyboard Cover 
Reassembly Notes 
• Make sure the keyboard cover switch cable is securely connected to the motherboard. 
• Bend the center of the keyboard cover upward slightly, and insert the tabs on the ends of the cover 
into the slots in the notebook’s case. Fit the hinge covers over the hinges, and gently press...

Technology Code ID)  Removal and Replacement  2-11 
Removing the Keyboard 
(User-Replaceable) 
Required Equipment 
• #0 Phillips screwdriver. 
• Small flat-head screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery. 
2.  Remove the keyboard cover (page 2-9). 
3.  Loosen the three retaining screws along the top of the keyboard (the keyboard may retain the 
screws). 
 
 
Figure 2-8. Loosening the Keyboard Retaining Screws 
 
Caution 
W hen opening the keyboard, be...

2-12  Removal and Replacement  Technology Code ID) 
 
Warning 
Do not touch the metal surfaces inside the notebook until they have cooled off. They could 
be very hot if the notebook was running recently. 
 
  
 
 
Figure 2-9. Disconnecting the Keyboard 
Reassembly Notes 
• Lay the keyboard face down on the top case, forward of its normal position, and reconnect the 
ribbon cable. 
• Slip the metal tabs on the bottom of the keyboard into their slots in the top case, then lower the 
keyboard into place.  

Technology Code ID)  Removal and Replacement  2-13 
Removing an SDRAM Module  
(User-Replaceable) 
The notebook has no SDRAM built into its motherboard, but has two slots for PC133 SDRAM 
modules: a system SDRAM slot beneath the keyboard (containing an SDRAM module installed at the 
factory), and an expansion slot on the bottom of the unit. 
 
Caution 
Provide proper grounding and handle the SDRAM module only by its edges, or you could damage 
the module through electrostatic discharge. 
 
Required...

2-14  Removal and Replacement  Technology Code ID) 
Reassembly Notes 
• Carefully press the SDRAM module into the connector at an angle of about 30°, until it is fully 
inserted. Then press down on both sides of the module until the latches snap closed. 
 
Figure 2-11. Installing an Expansion SDRAM Module 
Removing the System SDRAM Module 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery. 
2.  Remove the keyboard cover (page 2-9). 
3.  Open the keyboard (page 2-11, steps 1...

Technology Code ID)  Removal and Replacement  2-15 
Replacing Small Parts 
(User-Replaceable) 
The user can replace the following small parts. 
Table 2-4. Replacing Small Parts (User-Replaceable) 
Part Part Numbers Replacement Procedure 
Cover, mini-PCI Included in door kit 
F3377-60933 On the bottom of the notebook, loosen the screw in the mini-PCI 
cover (the cover retains the screw) and remove the cover. 
Cover, expansion 
SDRAM Included in door kit 
F3377-60933 On the bottom of the notebook, loosen...

2-16  Removal and Replacement  Technology Code ID) 
Removing the Mini-PCI Card 
(HP Authorized Service Providers Only) 
Certain notebook models include a mini-PCI card that contains either a modem or combined modem 
and 802.11 wireless. 
 
Caution 
Provide proper grounding and handle the card only by its edges, or you could damage it through 
electrostatic discharge. 
 
Required Equipment 
• #0 Phillips screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery. 
2....

Technology Code ID)  Removal and Replacement  2-17 
  
 
 
Figure 2-13. Removing the Mini-PCI Card 
Reassembly Notes 
• Reattach the cable(s) to the card, and tuck them into the compartment. 
• Gently press the card into the connector at an angle of about 30°, until it is fully inserted. Then 
press down on both sides of the card until the latches snap closed.  

2-18  Removal and Replacement  Technology Code ID) 
Removing the Display Assembly 
(HP Authorized Service Providers Only) 
Required Equipment 
• #0 Phillips screwdriver. 
Removal Procedure 
1.  Unplug the AC adapter, if present, and remove the battery.  
2.  Remove the keyboard cover (page 2-9). 
3.  Remove both retaining screws from the bottom of the notebook. 
  
 
 
Figure 2-14. Removing the Display (1) 
4.  Open the display so that it lays flat. 
5.  Remove the screw from the left speaker, and move...