HP Z800

Expansion card configuration restrictions for power supplies ....................... 166
Choosing an expansion card slot ............................................................................ 168
PCIe card ............................................................................................................. 169
Removing a PCIe card ............................................................................ 169
Installing a PCIe card .............................................................................. 171
PCI card .............................................................................................................. 174
Removing a PCI card .............................................................................. 174
Installing a PCI card ............................................................................... 175
Liquid cooling solution ........................................................................................... 177
Removing the liquid cooling solution ......................................................... 177
Installing a liquid cooling solution ............................................................ 185
CPU heatsink ........................................................................................................ 199
Removing the CPU heatsink ..................................................................... 199
Installing the CPU heatsink ...................................................................... 201
CPU .................................................................................................................... 203
Removing a CPU .................................................................................... 203
Installing a CPU ..................................................................................... 204
System board ....................................................................................................... 206
Removing the system board ..................................................................... 206
Installing the system board ...................................................................... 209
Battery ................................................................................................................. 210
Removing the battery .............................................................................. 210
Installing the battery ............................................................................... 212
Product recycling ................................................................................................................. 212
6 Diagnostics and troubleshooting ................................................................................... 213
Calling technical support ....................................................................................................... 214
Locating ID labels ................................................................................................................. 214
Locating warranty information ............................................................................................... 215
Diagnosis guidelines ............................................................................................................ 216
Diagnosis at startup ............................................................................................... 216
Diagnosis during operation .................................................................................... 217
Troubleshooting checklist ....................................................................................................... 217
HP troubleshooting resources and tools ................................................................................... 219
HP Support Assistant .............................................................................................. 219
HP Help and Support Center .................................................................................. 219
E-support .............................................................................................................. 219
Troubleshooting a problem ...................................................................... 220
Instant Support and Active Chat ............................................................... 220
Customer Advisories, Customer and Security Bulletins, and Customer Notices 220
Product Change Notifications .................................................................. 220
Helpful hints ......................................................................................................... 220
At startup .............................................................................................. 221
x ENWW