Keysight E5071C ENA Service Manual page 118

Troubleshooting
To configure the CPU Mother Board Assembly and BIOS
Figure 4-28 BIOS setup utility main menu
e5071cse1072
Step 6. Choose "Exit" using
or N (No). Press
the BIOS ROM. As a result, almost all of the BIOS options are automatically
configured to the optimal settings for the E5071C.
When the E5071C Cannot Boot Up
If the Digital Motherboard is E5070-62080 (Core i7 2.53 GHz), changing one of
the BIOS setting ("State After G3") causes the E5071C to not boot up. In that
case, follow the procedure below to recover the BIOS setting.
Step 1. Open the cover.
Step 2. Connect a USB keyboard with the E5071C.
Step 3. Turn on the E5071C.
Step 4. Press the PwrBTN on the Digital Motherboard as shown in
118
keys. The dialog box "Setup Confirmation" prompts you to select Y (Yes)
and
keys and select "Load Setup Defaults" using
to load the manufacture Setup Defaults into
Keysight E5071C ENA Network Analyzers
Figure 4-29.