dandroid
Hello there,
The SSD of SER5 5850 is M.2 SSD NVME 2280, which supports a maximum of 2TB SSD.
Is there any other program running on the machine when you transfer the data
You can try to clear CMOS firstly: First,please unplug the power supply and HDMI cable.
Please press the pinhole of “CLR CMOS” with a pin for about 10 seconds.Ten minutes later, plug the power supply and HDMI cable, turn on the PC again. Please wait about one or two minute, if you can go to the system.
Please repeatedly press delete key as soon as your restart the PC, go to BIOS. Go to Boot option, enable fast boot, press F4 to save.
Here is the tutorial https://mega.nz/file/2nIRGaYI#M2aIM2bkOJshrhE8sK8MNiKopfyHlqyjnn86TypZp2w
Have a nice day!