HP D8C84UT#ABA, D3K21UT#ABA, D3K19UT D3K19UT#ABA, Pro 4300 C9H67UT#ABA manual Safety and Comfort Vii

Installing DIMMs	44
Removing or Installing an Expansion Card	46
Cable Management	53
Drives	54
Drive Positions	55
Installing and Removing Drives	55
Removing an Internal 5.25-inch Drive	57
Installing an Optical Drive into the 5.25-inch Drive Bay	59
Removing an Internal 3.5-inch Drive	61
Installing a Drive into the 3.5-inch Internal Drive Bay	63
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive	66
Baffle	69
Front Fan Assembly	70
Front I/O, Power Switch Assembly	71
Speaker	72
Heat sink	73
Processor	76
Power Supply	78
System Board	80
Battery	82
Type 1 Battery Holder	83
Type 2 Battery Holder	83
Type 3 Battery Holder	84
Using the Small Form Factor Computer in a Tower Orientation	85
Installing a Security Lock	86
HP/Kensington MicroSaver Security Cable Lock	86
Padlock	87
Front Bezel Security	88
Appendix A Power Cord Set Requirements	90
General Requirements	90
Japanese Power Cord Requirements	90
Country-Specific Requirements	91
Appendix B POST Error Messages	92
POST Numeric Codes and Text Messages	93
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	94
Appendix C Troubleshooting Without Diagnostics	96
Safety and Comfort	96

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