If you have only upgraded the bootloader which you should, then all the light will lights up.
follow these steps [by IU8BBM]
You need to download the updates from the official source with your serial number *****************
0) Download all the required files, attached to this post
1) Turn off instrument
2) Disconnect the USB cable used for PC connection from the back USB B slave port
3) Pressing repeatedly the HELP button, turn on the instrument
4) Boot will be stopped, the only MOD led button will turn on, stopping booting sequence
5) Insert USB Stick where previously you have been saved on the root the "DG10x2Update.GEL" file unzipped from "DG1022X(DSP)Update(Bootloader).rar"
6) Wait until all led will stop blinking (around a minute)
7) Turn off instrument
Repeat steps 3-5 with the GEL file from "DG1022X(DSP)Update(Normal).rar"
9) Wait until all led will stop blinking (around 3 minutes, will start blinking up to the ARB button)
10) Turn off instrument
11) Turn on instrument