8 Troubleshooting without diagnostics ..........................................................................................................

168

Safety and comfort ............................................................................................................................................

168

Before you call for technical support ................................................................................................................

168

Helpful hints ......................................................................................................................................................

169

Solving general problems .................................................................................................................................

170

Solving power problems ...................................................................................................................................

173

Solving hard drive problems .............................................................................................................................

175

Solving media card reader problems ................................................................................................................

177

Solving display problems ..................................................................................................................................

178

Solving audio problems .....................................................................................................................................

182

Solving printer problems ...................................................................................................................................

184

Solving keyboard and mouse problems ...........................................................................................................

185

Solving Hardware Installation Problems ..........................................................................................................

187

Solving Network Problems ................................................................................................................................

189

Solving memory problems ................................................................................................................................

192

Solving CD-ROM and DVD problems .................................................................................................................

194

Solving USB flash drive problems .....................................................................................................................

196

Solving front panel component problems ........................................................................................................

197

Solving Internet access problems .....................................................................................................................

197

Solving software problems ...............................................................................................................................

198

9 POST error messages .................................................................................................................................

200

POST numeric codes and text messages ..........................................................................................................

200

Interpreting POST diagnostic front panel LEDs and audible codes ..................................................................

205

10 Password security and resetting CMOS ......................................................................................................

208

Resetting the password jumper ........................................................................................................................

208

Changing a Setup or Power-On password ........................................................................................................

209

Deleting a Setup or Power-On password ..........................................................................................................

210

Clearing and resetting the CMOS .......................................................................................................................

210

11 HP PC Hardware Diagnostics .....................................................................................................................

212

Why run HP PC Hardware Diagnostics ..............................................................................................................

212

How to access and run HP PC Hardware Diagnostics .......................................................................................

212

Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ..................................................................

212

12 System backup and recovery ....................................................................................................................

214

Backing up, restoring, and recovering in Windows 8.1 or Windows 8 .............................................................

214

Creating recovery media and backups ...........................................................................................

214

Restoring and recovering using Windows tools .............................................................................

214

ix