Help please Xtrend ET9000 / CT9100

Hello
Help please with Xtrend ET9000 / CT9100 Stopped booting
Is it possible way to repair the error and how to pass a new image

Thanks

hallo

all the steps without fail.
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1. Install image.
Download a USB image file, eg Black Hole Image or PLI
Unzip the ET9000 folder to the root directory of a USB Pen Drive.
Power off Receiver with switch on the back
Insert USB Pen Drive into the USB socket on Receiver
Power on Receiver.
Image Update message will appear on the front display.
Press the OK button behind the front flap.
Image will now install from the USB Stick
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after flashing full If the box is hanging on boot

thank you for your help