Powershell script required

[thrqureshi]

Salam

I am looking for a powershell script which should do the following things

Find out machine NetBootGUID
Search in AD to verify whether computer is exist or not
If exist provide me it's distinguish name
If not, Ask me to provide the new computer name

[Sadia Amber]

slaaam.... me it dunya pr new hn.. mujy iske mtlq kch pta b ni hy... mene apki post dkhi to reply kia.... mujy urgent help chahye laptop me internet (wingle device) connect ni ho rehi.. ap khud help kar den ya kisi se poch kar bta den please.... email at sadiaamber45*********** plzzzz sirrr