This Powershell script will generate a Windows Form which will alloyw you to select a collection and retrieve the list of the members. You will be able to make a "Clear Required PXE Deployment" on the computer object or on the collection.
When you stert the application, click on the Load button to load the list of the collections, the list of the members will be updated automatically.
Then select the computer object and click on the button corresponding to the action you want to launch.
Before launching the script, you will have to modify the following variables:
A log file will be created on the desktop.