HP EliteDesk 800 G4 Maintenance and Service Guide - Page 142
HP PC Hardware Diagnostics UEFI
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Index A access panel illustrated 4 locked 82 removal and replacement 18 administrator password 114 air duct removal and replacement 51 antennas disconnecting 46 removal and replacement 49 audible codes 112 audio problems 93 B battery disposal 14 battery replacement 122 beep codes 112 BIOS clearing and resetting 116 booting options Full Boot 107 Quick Boot 107 C cable management 16 cable pinouts, SATA data 15 card reader removal and replacement 48 cautions AC power 9 cables 14 cooling fan 13 electrostatic discharge 9 keyboard cleaning 12 keyboard keys 13 CD-ROM or DVD problems 102 cleaning computer 12 mouse 13 safety precautions 12 CMOS backing up 114 computer cleaning 12 Computer Setup access problem 81 country power cord set requirements 126 Customer Support 79 D disassembly preparation 17 drive cage rotating 40 drives cable connections 30 installation 30 locations 30 dust filter 21 E electrostatic discharge (ESD) 9 preventing damage 10 error codes 107, 112 messages 107 expansion card installation 26 removal 26 F F10 Setup access problem 81 fan illustrated 5 removal and replacement 57 fan baffle illustrated 4, 5 fan sink illustrated 4, 5 fan, power supply 13 flash drive problems 104 flashing LEDs 112 front bezel illustrated 6 removal and replacement 19 removing blanks 20 front panel components 2 front panel problems 105 G general problems 81 grounding methods 10 H hard drive proper handling 14 SATA characteristics 15 hard drive (2.5-inch) installation 42 removal 41 hard drive (3.5-inch) installation 36 removal 34 hard drive problems 86 hard drives sizes 6 hardware installation problems 97 heat sink removal and replacement 54, 58 helpful hints 80 hood lock removal and replacement 47 HP PC Hardware Diagnostics UEFI downloading 119 starting 119 using 118 HP PC Hardware Diagnostics Windows downloading 117 installing 118 using 117 HP Sure Start 132 I installing 2.5-inch hard drive 42 battery 122 drive cables 30 dust filter 21 expansion card 26 M.2 SSD card 44 memory 23 secondary 3.5-inch hard drive 36 slim optical drive 33 134 Index
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