Hello, <br><br>as I can always reflash with the stock ROM I've decided to give it a try and splitted the generated 12 MB coreboot.rom as mentioned in my last email:<br><br>> to flash the upper 4 MB part of the BIOS: <br>> dd of=x230-4mb.rom bs=1M if=build/coreboot.rom skip=8<br>> to flash the 8 mb chip I'll try:<br>> dd of=x230-8mb.rom bs=1M if=build/coreboot.rom count=8<br><br>After flashing those files to both chips the Laptop boots up fine and I can boot Qubes and also Windows including graphics.<br>Unfortunately the two added Payloads are not working:<br><br>I get only a black backlight illuminated blank screen when hitting ESC and choosing one of the secondary Payloads.<br><br>My guess is, that something with the CBFS filesize is not correct, I've set it to 0x400000.<br><br>Any idea how to investigate this problem further? <br><br>[799]<br><br><br><br>Question: Is the above approach correct? I tried so already once but it didn't work (short flashing of Power-On-button -> nothing more) [799]