Hardware reference guide
Hardware Upgrades
Guide Screw Locations 
The guide screws on a 3.5-inch diskette drive 
1
 are placed closer together than on 
the hard drive 
2
. 
To install a drive into the bay: 
1.  If you have locked the Smart Cover Lock, use Computer Setup to unlock the 
lock. 
2.  Turn off the computer properly through the operating system, then turn off any 
external devices. 
3.  Disconnect the power cord from the power outlet and disconnect any external 
devices. 
4.  Remove the computer access panel and front bezel. 
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