Windows 7 Enterprise random screen in white at the start of laboratory of computers at the same time

We have several laboratories in the school district where business customers with service pack 1 windows 7 random would be white screen if the laboratory is started at the same time. If the network cable is unplugged, it doesn't. This happened over several years, devices have been recreated, drivers have been updated always the same question. Different model were used at HP with the same result. Software LanSchool is used to start the devices into the holder. I tried to start all lab with WOL problem persists. Students have tried to start the lab at the same time, same problem. Confused about what is causing this problem. Network is on each apparatus and the uplink 1Gps. Several bones of different switch have been tried. No newspapers or port switch off common errors.

Hello

Thanks for posting your question on the Microsoft community.

The question will be better suited to the audience of professionals on the TechNet forums.

I would recommend posting your query in the TechNet forums.

TechNet Forum
https://social.technet.Microsoft.com/forums/Windows/en-us/home?category=w7itpro

Thank you

Tags: Windows

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