7-56 Service Guide E8361-90001
Repair and Replacement Procedures PNA Series Microwave Network Analyzers
Removing and Replacing the A41 Hard Disk Drive E8361A
Removing and Replacing the A41 Hard Disk Drive
Certain unique files exist on the hard disk drive that are necessary for proper operation of
your analyzer. These files must be copied to another location to allow them to be installed
onto the new hard disk drive after it has been installed.
If you are replacing the hard disk, not just removing the hard disk drive assembly (HDDA)
to allow access to other assemblies, the following procedure must be performed first.
If you are not replacing the actual hard disk, proceed to “Tools Required” on page 7-57.
Copy Unique Files from the Hard Disk
The files to be copied include:
• license file
• mixer calibration files
• user calibration kit file
• any user data files or program files that need to be preserved
The network analyzer must be powered up and operating for this procedure.
1. Insert a writable floppy disk into the floppy disk drive.
2. Open two copies of Windows Explorer:
a. Click on START. (It may be necessary to exit the Network Analyzer application.)
b. Point to Programs, Accessories, and then click on Windows Explorer.
c. Adjust the horizontal width of the Windows Explorer window to approximately
one-half the width of the display and position it to either the left or right side of the
display.
d. Repeat this procedure to create another copy of the Windows Explorer window and
position it to the opposite side of the display so that the two copies are displayed
side-by-side.
3. Set one copy of Windows Explorer to the A: drive and the other to the C: drive:
a. In one copy of Windows Explorer, double-click on My Computer, and then
double-click on 3 1/2 Floppy (A:). A listing of the files on the floppy disk will appear
in the right-hand side of the window.
b. In the other copy of Windows Explorer, double-click on My Computer, and then
double-click on Hard Disk (C:).
c. Navigate to C:\Program Files\Agilent\Network Analyzer by double-clicking on
each of the names in this path name, in turn. A listing of the files in this directory on
the hard disk will appear in the right-hand side of the window.
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