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Restoring to a previous system restore point .................................................................... 78
Restoring specific files ....................................................................................................... 78
Restoring specific files using Windows Backup and Restore ............................ 78
Recovering the original system using HP Recovery Manager ........................................... 78
What you need to know ..................................................................................... 78
Recovering using HP Recovery partition (select models only) ......................... 79
Recovering using the recovery media ............................................................... 79
Changing the computer boot order ................................................... 80
12 Specifications .............................................................................................................................................. 81
Input power ......................................................................................................................................... 81
Operating environment ....................................................................................................................... 82
13 Troubleshooting and support .................................................................................................................... 83
Troubleshooting .................................................................................................................................. 84
Disc drive problems ........................................................................................................... 84
Wireless connection problems ........................................................................................... 84
Cannot connect to a WLAN ............................................................................... 85
Cannot connect to a preferred network ............................................................. 85
Current network security codes are unavailable ............................................... 85
WLAN connection is very weak ......................................................................... 86
Cannot connect to the wireless router ............................................................... 86
Network status icon is not displayed ................................................................. 87
Audio problems .................................................................................................................. 87
Power management problems ........................................................................................... 87
Resolving a low battery level ............................................................................. 88
Resolving a low battery level when external power is available ....... 88
Resolving a low battery level when no power source is available .... 88
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 88
Troubleshooting an AC adapter ........................................................................ 88
Contacting customer support ............................................................................................................. 89
14 Electrostatic Discharge .............................................................................................................................. 90
Index ................................................................................................................................................................... 91
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