Asus Z31n Installation Guide

							INSTALLATION & REPLACEMENT 
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Installation & Replacement 
Follow the individual procedures to perform the notebook’s 
installation and replacement of  various major components. 
Z31N Series Notebook balances novelty and mobility in an elegantly designed casing. 
The key installable and replaceable items include the CPU module, memory module, HDD, 
Optical drive. 
 
Be sure to follow the safety instructions described from the start to safeguard the 
notebook against any potential damages. 
 
 
This chapter includes the following items: 
 
• Appropriate Tool 
• Precaution 
• Optical drive Installation & Replacement 
• HDD Installation & Replacement 
• Memory Installation & Replacement 
•
 CPU Installation & Replacement 
  
						

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Appropriate Tools 
 
The illustrations below show the appropriate tools that should be used for the notebook’s 
service and repair. 
 
Phillips-head Screwdriver   
Use a Phillips-head screwdriver to fasten/remove the K- or B-typed screws. 
 
Single-Slotted Screwdriver   
Use a single-slotted screwdriver to lock/unlock the flexible cable connector locks   
 
 
 Tweezers 
Use a pair of tweezers to remove/insert CPU warranty label. 
 
Vacuum Handling Tool 
Use vacuum handling tool to handle CPU. 
 
Molex CPU Socket Tool 
Use Molex CPU Socket tool to lock/unlock the Molex socket of CPU. 
Width: 4.00mm Depth: 0.45+/-0.1mm. The angle of tip: approximate 9 degree 
 
 
 
 
FLATHEAD 
SCREW-DRIVE
R  
 
CROSS 
SCREW-DRIVE
R 
TOOLS 
AMP  
CPU SOCKET 
TOOL 
TWEEZERS 
 
MOLEX 
CPU SOCKET 
TOOL  
						

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Precautions 
 
Before you perform any service and/or repair on the notebook, please follow the steps 
below first. 
 
1. Be sure that the notebook is powered down. 
2. Disconnect the DC plug from the rear of the notebook (no.1 on the illustration below). 
 
 
         
 
 
CAUTIONS 
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3. Turn the notebook over. Unlock and hold the latch (no.2), and remove the battery 
(no.3). 
 
 
 
 
 
 
4. Remove all rings, watches and any other metal objects from your hands. 
                   
 
5. Always wear a ground strap on your hand to protect the notebook from static discharge. 
                   
 
 
 
 
2 
3  
						

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Optical Drive Installation & Replacement 
1.    Remove 3 screws (M2*4L(K)) 
2.    Take away the CPU cover , than use the other side of tweezers to push the optical driver 
away a little bit, then pull the optical drive out. 
 
  
 
3.    Replace the optical drive and secure 3 crews to fix it.   
 
 
HDD Installation & Replacement 
The Z31N Series Notebook uses an industry-standard 2½” HDD with IDE interface. You 
can install the HDD to any capacity of your choice within our approval and prior test.     
 
Installing HDD 
1. Turn the notebook over and remove battery pack first. 
2. Remove 2 screws on the bottom. 
3. Remove the HDD cover and pull out the HDD module 
  
   
4. Replace a new HDD into the HDD Mylar and hook up the HDD connector. 
HDD 
 
OPTICAL 
DRIVE 
REMOVAL 
  
						

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5. Push the HDD module into the notebook and secure 2 screws on the bottom to affix 
the HDD module. 
  
 
 
 
Memor y Installation & Replacement 
The Z31N Series Notebook comes standard with 256MB of RAM onboard. There is one 
expansion u-SODIMM socket for you to upgrade the total memory up to 768 MB with a 
512MB module. 
 
Installing & Replacing memory 
1. Remove one screw from DIMM cover and remove it. 
  
2. If there is an existing memory, remove it by opening the latches, which will pop the 
module up to a 45° angles, and then pulling out the module in that angle. 
MEMORY 
  
						

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3. 
 Insert new memory at the same 45° angles and press down until it clicks into the 
latches. 
  
4. Install DIMM cover and secure one screw on it.  
						

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CPU Installation & Replacement 
The Z31N Series Notebook comes standard with an Intel’s µFC-PGA Socket on the 
motherboard, which means it can support all µFC-PGA CPUs up to 1.7 GHz. 
 
1. Use the CPU vacuum to “suck up” the CPU then install CPU onto the socket, make the 
triangle sign on the CPU match the socket triangle sign. 
    
  
                
2. Turn the non-removable screw here 180 degrees clockwise to fix the CPU and stick 
thermal pad on the CPU die 
    
  
               
3. Place the CPU fan in the proper location then secure 4 screws (M2*4L(K)) and 
connect FAN Wire connector then place cable properly and use tape to fix it, put 
CPU 
  
						

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a warranty label upon the screws of the fan module. 
    
 
  
    
  
Note: If fan module has no thermal pad on it, please plus a thermal pad on 
the CPU die before assembling.