HP 455 - Page 9

13 Troubleshooting and support .................................................................................................................... 79
Troubleshooting .................................................................................................................................. 80
Disc drive problems ........................................................................................................... 80
Wireless connection problems ........................................................................................... 81
Cannot connect to a WLAN ............................................................................... 81
Cannot connect to a preferred network ............................................................. 82
Current network security codes are unavailable ............................................... 82
WLAN connection is very weak ......................................................................... 83
Cannot connect to the wireless router ............................................................... 83
Network status icon is not displayed ................................................................. 83
Audio problems .................................................................................................................. 84
Power management problems ........................................................................................... 84
Resolving a low battery level ............................................................................. 84
Resolving a low battery level when external power is available ....... 84
Resolving a low battery level when no power source is available .... 84
Resolving a low battery level when the computer cannot exit
Hibernation ....................................................................................... 84
Troubleshooting an AC adapter ........................................................................ 85
Contacting support ............................................................................................................................. 85
14 Electrostatic Discharge .............................................................................................................................. 86
Index ................................................................................................................................................................... 87
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