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9.2 Can not update
Replace CPU
Replace DDR or CPU
Replace Flash or CPU
Change USB cable
Refer to can not power on
Y
USB connector OK?
Y
Try again ?
Y
Try again ?
Try again
（
Continued next page
Can not update
N
Is USB Cable OK
N
Mainboard power on
N
Computer recognise
Y
Download boot fail
Y
Download IDB fail
Y
Other trouble
）
Y
Y
Y
N
N
N
OK
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