24 Keysight E4990A Impedance Analyzer
Troubleshooting
System Recovery
2-
System Recovery
By executing system recovery, you can return the E4990A’s system (the
Windows operating system and the firmware) to the factory state (at the time
of purchase
1
).
Notes on executing the factory recovery function
Executing the factory recovery function causes the following conditions:
• In addition to the Windows operating system and the firmware, the
following settings of the E4990A are returned to the factory state.
—Network setting
— GPIB setting
—Printer setting
• The driver for the supported printer which is installed after purchase is
deleted.
• You need to execute initial registration again.
Files that you have created using the save function (files in the D drive) are not
affected. However, Keysight recommends backing them up before executing
system recovery for precautionary purposes. For more information on backup,
refer to “Backing Up the Data” as described in E4990A Online Help.
1. The default setting of the hard disk is recovered during the system recovery. For the hard
disk that had failed earlier and had been replaced (after purchase), its default setting
may not be the same as the factory state.
Strictly follow the steps described below. If you do any operation other
than the following steps, the system may not be recovered.
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