Thanks. My c200 pc is all in one. recently it can not boot with hdd, I try to replace new hard disk, problem same. the hdd work find on other pc. my c200 biso version is DJKT06AUS. The pc can boot with usb now.
I found someone reflash the bios to fix the problem. But I also found some one flash the bios and get brick.

and I found Lenovo 3000 C200 is a laptop .
Lenovo C200 is all in one pc.
They are different. but if you download on the lenove web site. You may prosible get wrong.
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