15.Disconnectallcablesfromthesystemboard.Then,removethe10screwsthatsecurethesystemboard
followingtherecommendednumericalsequenceasshown.
Note:Thescrews
9and10aredifferentfromtheothereightscrews.Reinstallthetwoscrewstothe
samepositionsafteryouinstallthenewsystemboard.
Figure150.Removingthescrewsthatsecurethesystemboard
Chapter6.Installing,removing,orreplacinghardware179