Finally, I resolve the installing issues before i made decision to send back to the online seller for helping installing ubuntu server.
Here are some crucial points what I figour out:
- No need to give partion for the SSD
ubuntu server would take care of that
- Send the ldlinux.sys file to the bootable usb after UltraISO burned ubuntu server files
It is the most important step which I think in the installing progress, especially when all the files of ubuntu server iso are flushed by the ultrasio .
- click the easy start button
- writing into new drive boot sector
- syslinux
Click the easy start button
- Making sure the bootable usb type is: MBR - FAT32
I wonder at first if I am wrong about setting the usb to be a wrong class as MBR, so change it into GPT.
Just leave it to be MBR as default, no need to pay extra attention about this.
Thanks to the kind hearted people: @karel @oldfred @graham