HP Z4 Maintenance and Service Guide - Page 112
I/O assembly, HP Sure Start
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Index A access panel locked 47 removal and replacement 20 audible codes 74 audio problems 57 audio-in (microphone) jack, identifying 5, 6 audio-out (headphone) jack, identifying 5, 6 audio-out (headphone)/audio-in (microphone) combo jack, identifying 2, 3 B battery disposal 14 battery replacement 91 beep codes 74 booting options Full Boot 69 Quick Boot 69 buttons power 2, 3, 5, 6 C cautions AC power 9 cables 14 electrostatic discharge 9 keyboard cleaning 12 keyboard keys 13 changing a Power-On password 80 changing a Setup password 80 cleaning computer 12 safety precautions 12 CMOS backing up 77 computer serial number 7 computer cleaning 12 computer components 2 front 2 left side 4 rear 5 Computer Setup access problem 46 connector, power 5, 6 Customer Support 44 D deleting a Power-On password 80 deleting a Setup password 80 disassembly preparation 16 drive cage removal and replacement 23 drive light, identifying 2, 3 dust filter removal and replacement 18 E electrostatic discharge (ESD) 9 preventing damage 10 error codes 69, 74 messages 70 F F10 Setup access problem 46 flash drive problems 66 flashing LEDs 74 front bezel removal and replacement 17 front card guide and fans removal and replacement 25 front panel problems 66 G general problems 46 grounding methods 10 H hard drive proper handling 14 SATA characteristics 15 hard drive problems 50 hardware installation problems 61 headphone (audio-out) jack 5, 6 heat sink removal and replacement 27 helpful hints 45 HP Sure Start 97 I I/O assembly removal and replacement 21 installing battery 91 Internet access problems 67 J jacks audio-in (microphone) 5, 6 audio-out (headphone) 5, 6 audio-out (headphone)/audio-in (microphone) combo 2, 3 K keyboard cleaning 12 keyboard problems 60 L lights hard drive 2, 3 M media card reader problems 52 memory nonvolatile 94 problems 64 volatile 94 memory card reader, identifying 2, 3 memory fan removal and replacement 24 microphone (audio-in) jack 5, 6 monitor problems 53 mouse problems 60 104 Index
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