Hp 15-r081nr Notebook PC Uživatelský manuál Strana 8

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Determining the BIOS version ........................................................................................... 49
Downloading a BIOS update ............................................................................................. 50
Using System Diagnostics .................................................................................................................. 50
Using HP PC Hardware Diagnostics (UEFI) (select models only) ..................................................... 51
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device ............................... 51
11 Backing up, restoring, and recovering .......................................................................................................... 52
Creating backups ............................................................................................................................... 52
Creating recovery media to recover the original system .................................................... 52
What you need to know ..................................................................................... 52
Creating the recovery media ............................................................ 53
Creating system restore points .......................................................................................... 53
What you need to know ..................................................................................... 53
Creating a system restore point ........................................................................ 53
Backing up system and personal information .................................................................... 53
Tips for a successful backup ............................................................................. 54
What you need to know ..................................................................................... 54
Creating a backup using Windows Backup and Restore .................................. 54
Restore and recovery ......................................................................................................................... 55
Restoring to a previous system restore point .................................................................... 55
Restoring specific files ....................................................................................................... 55
Restoring specific files using Windows Backup and Restore ............................ 55
Recovering the original system using HP Recovery Manager ........................................... 55
What you need to know ..................................................................................... 55
Recovering using HP Recovery partition (select models only) ......................... 56
Recovering using the recovery media ............................................................... 56
Changing the computer boot order ................................................... 56
12 Specifications ................................................................................................................................................ 58
Input power ......................................................................................................................................... 58
Operating environment ....................................................................................................................... 58
13 Troubleshooting and support ........................................................................................................................ 59
Troubleshooting .................................................................................................................................. 59
Wireless connection problems ........................................................................................... 59
Cannot connect to a WLAN ............................................................................... 59
Cannot connect to a preferred network ............................................................. 59
Current network security codes are unavailable ............................................... 60
WLAN connection is very weak ......................................................................... 60
Cannot connect to the wireless router ............................................................... 61
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