Display problems 10,1 zoll

[Sonic2001x]

Hello can someone help me?

Raspberrry:Pi 3 mit runeaudio 0.3 10,1 zoll touchscreen and Hifiberry pro

I have an HDMI touch display 10.1 inches from Reichelt electronics
And with the settings from the Manuel in the config.txt
Max_usb_current = 1
Hdmi_group = 2
Hdmi_mode = 1
Hdmi_mode = 87
Hdmi_cvt 1280 800 60 6 0 0 0

Now the image disappears after some time the menu bar below is gone and the Screen show so freeeze but i can chance the window..

[Yatsushiro]

[Stephane]

Change HDMI_mode=1 to HDMI_drive=1 instead, it will force the output to DVI mode.
On my 7" Waveshare it is mandatory to have full resolution.