Personal Computer User Manual

10.Installthescrewtosecurethenewpowerswitchboardinthecomputer.
Figure43.Installingthescrewthatsecuresthepowerswitchboard
11.Connectthepowerswitchboardcabletothepowerswitchboardcableconnectoronthesystemboard.
See“Locatingpartsonthesystemboard”onpage12.
12.Securethenewpowerswitchboardcableintothecabletieinthecomputer.
13.Installtheharddiskdriveintothecomputer.See“Replacingtheharddiskdrivebracket”onpage60.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheinstallationorreplacement,goto“Completingthepartsreplacement”onpage75.
Replacingtheheatsink
Attention:
Donotopenyourcomputerorattemptanyrepairbeforereadingandunderstandingthe“Importantsafetyinformation”
onpagev.
Thissectionprovidesinstructionsonhowtoreplacetheheatsink.
CAUTION:
Theheatsinkandfanassemblymightbeveryhot.Turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeremovingthecomputercover.
Toreplacetheheatsink,dothefollowing:
1.Turnoffthecomputeranddisconnectallpowercordsfromelectricaloutlets.
2.Removethecomputercover.See“Removingthecomputercover”onpage33.
3.Locatetheheatsinkonthesystemboard.See“Locatingcomponents”onpage11.
Chapter5.Installingorreplacinghardware55