Service Reference Guide: HP Compaq dx2420 Business PC
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...D diagnostics utility 10 disassembly preparation 28 diskette drive installing 51 removing 50 drives locations 47 E electrostatic discharge (ESD) preventing damage 20 ethernet RJ-45 pin assignments 69 expansion card sockets 40 expansion slot cover removing 41 replacing 43 external security 29 F fan, power supply ...keyboard cleaning 23 pin assignments 68 L line-in audio pin assignments 71 line-out audio pin assignments 71 locks cable lock 29 HP Business PC Security Lock 30 padlock 29 M media card reader installing 51 removing 50 memory removal and replacement 37 microphone pin assignments 70 ...
...D diagnostics utility 10 disassembly preparation 28 diskette drive installing 51 removing 50 drives locations 47 E electrostatic discharge (ESD) preventing damage 20 ethernet RJ-45 pin assignments 69 expansion card sockets 40 expansion slot cover removing 41 replacing 43 external security 29 F fan, power supply ...keyboard cleaning 23 pin assignments 68 L line-in audio pin assignments 71 line-out audio pin assignments 71 locks cable lock 29 HP Business PC Security Lock 30 padlock 29 M media card reader installing 51 removing 50 memory removal and replacement 37 microphone pin assignments 70 ...