@ milkywayy, Here is the list of supported COPU's, the 1007u is there. I am continuing to investigate the issue you are seeing.
4th Generation Intel® Core™ Processors with Intel® Iris™ Pro Graphics 5200 4th
Generation Intel® Core™ Processors with Intel® Iris™ Graphics 5100 4th
Generation Intel® Core™ Processors with Intel® HD Graphics 5000/4600/4400/4200
3rd Generation Intel® Core™ Processors with Intel® HD Graphics
4000/2500
Intel® Pentium®
Processor
1403v2/1405v2/2020M/2030M/2117U/2129Y/2127U/A1018/G2010/G2020/G2020T/G2030/|G2030T/G2100T/G2120/G2120T/G2130/G2140
with Intel® HD Graphics
Intel® Pentium® Processor
3558U/3561Y/G3220/G3220T/G3320TE/G3420/G3420T/G3430 with Intel® HD
Graphics
Intel® Pentium®
Processor 3550M/3556U/3560Y with Intel® HD Graphics
Intel® Celeron®
Processor
927UE/1000M/1005M/1007U/1017U/1019Y/1020E/1020M/1037U/1047UE/G1610/G1620/G1620T/
G1610T/G1630 with Intel® HD Graphics
Intel® Celeron® Processor 2000E/2002E/2950M/2955U/2980U/2955U
with Intel® HD Graphics
IProcessor
2957U/2961Y/2981U/G1820/G1820T/G1820TE/G1830 with Intel® HD
Graphics