NI PXIe devices cannot be detected

Hello, I am 1-year-user of NI instrument. I am using NI PXIe-1062Q. I have some problems with several NI PXI devices installed on this NI PXIe1062Q. My devices are:

1. NI PXIe-8115

2. NI PXI-4071

3. NI PXIe-6556

4. -

5. NI PXI-5922

6. NI PXI-4132

7. NI PXI-6541

8. NI PXI-6602

As attached in the pictures, only the NI PXIe-6556 are detected and the green LED is on. But the other devices are not detected and their green LEDs are off. 

I have used these NI PXI-4071 and NI PXI-5922 before for measurement and they worked well. Several days ago I replaced NI PXIe-6556 with NI switch NI PXIe 2527, and the new device are detected.

But after I want to use other devices again, I found that other devices cannot be detected.

Could anybody help me to solve this problem?

Thank you before