Hello,Here is my big problem.
I am in windows 7 pro 64 bit.1,using computer normally in a workgroup setting2.changed the PC name and joined the new domain with new credentials3.rebooted the PC and logon to new domain with new credentials 4.but I don't have admin rights so I tried to install something and get prompted with old admin account/password but tried it but didn't work, not sure why?5.if I change my pc name, does it delete my old credentials?6.how do I retrieve back my old admin account without re-installing windows 7?