HP EliteDesk 705 G4 Maintenance And Service Manual page 8

9 Password security and resetting CMOS ........................................................................................................ 117
Resetting the password jumper ........................................................................................................................ 117
Clearing and resetting the BIOS ........................................................................................................................ 119
10 Using HP PC Hardware Diagnostics ............................................................................................................ 120
Using HP PC Hardware Diagnostics Windows ................................................................................................... 120
Using HP PC Hardware Diagnostics UEFI ........................................................................................................... 121
Using Remote HP PC Hardware Diagnostics UEFI settings (select products only) ........................................... 123
Appendix A Battery replacement ................................................................................................................... 125
Appendix B Power cord set requirements ....................................................................................................... 128
General Requirements ....................................................................................................................................... 128
Japanese Power Cord Requirements ................................................................................................................. 128
Country-Specific Requirements ........................................................................................................................ 129
Appendix C Linux technical notes ................................................................................................................... 130
System RAM ....................................................................................................................................................... 130
Audio .................................................................................................................................................................. 131
Hyper-Threading Technology ............................................................................................................................ 131
NVIDIA graphics workstations ........................................................................................................................... 132
AMD graphics workstations ............................................................................................................................... 133
Appendix D Statement of memory volatility ................................................................................................... 134
Nonvolatile memory usage ............................................................................................................................... 136
viii
Downloading HP PC Hardware Diagnostics Windows ..................................................................... 120
Downloading the latest HP PC Hardware Diagnostics Windows version ..................... 121
Downloading HP Hardware Diagnostics Windows by product name or number
(select products only) ................................................................................................... 121
Installing HP PC Hardware Diagnostics Windows ........................................................................... 121
Starting HP PC Hardware Diagnostics UEFI .................................................................................... 122
Downloading HP PC Hardware Diagnostics UEFI to a USB flash drive ............................................ 122
Downloading the latest HP PC Hardware Diagnostics UEFI version ............................ 122
Downloading HP PC Hardware Diagnostics UEFI by product name or number
(select products only) ................................................................................................... 122
Downloading Remote HP PC Hardware Diagnostics UEFI ............................................................... 123
Downloading the latest Remote HP PC Hardware Diagnostics UEFI version ............... 123
Downloading Remote HP PC Hardware Diagnostics UEFI by product name or
number .......................................................................................................................... 123
Customizing Remote HP PC Hardware Diagnostics UEFI settings .................................................. 123