A.Replace the logic board.

B.Replace the internal hard drive with a known-good hard drive.

C.Try to start up from a bootable CD or DVD.

D.Reinitialize the hard disk and reinstall the Mac OS.

A.Wrist strap and cord

B.Static-shielding bags

C.Metal work surface

D.Grounded work mat

E.CRT discharge tool

A.disassembling and reassembling them

B.replacing them with known-good parts in a specified order

C.replacing them with known-good parts in any order

D.adding more known-good parts in a specified order

A.You should perform a full set of video adjustments on the CRT.

B.You should establish an ongoing lead between the CRT anode and ground.

C.You should remove the CRT from the computer or display assembly.

D.You should reset the Power Manager Unit on the logic board.

A.power flow

B.network flow

C.signal flow

D.coolant flow

E.fan air flow