Dell OptiPlex 990 - Page 4

Installing The Chassis Intrusion Switch..........................................................................22
8 Speaker......................................................................................................23
Removing the Internal Speaker.......................................................................................23
Installing The Internal Speaker.......................................................................................24
9 Heat Sink....................................................................................................25
Removing the Heat Sink..................................................................................................25
Installing The Heat Sink..................................................................................................27
10 Processor................................................................................................29
Removing the Processor.................................................................................................29
Installing The Processor.................................................................................................30
11 Coin-Cell Battery....................................................................................31
Removing the Coin-Cell Battery......................................................................................31
Installing The Coin-Cell Battery.......................................................................................32
12 Chassis Fan.............................................................................................33
Removing the System Fan...............................................................................................33
Installing The System Fan...............................................................................................34
13 Input/Output Panel.................................................................................35
Removing the Input/Output Board...................................................................................35
Installing the Input/Output Board....................................................................................36
14 Power Supply..........................................................................................37
Removing the Power Supply...........................................................................................37
Installing The Power Supply...........................................................................................38
15 System Board..........................................................................................39
Removing the System Board...........................................................................................39
Installing The System Board...........................................................................................42