HP 20-k120us Mobile, 20-k127cl Mobile, 20-k014us Mobile manual Wireless connection problems Vii

Using Disk Cleanup	31
Using Disk Defragmenter	31
Updating programs and drivers	31
Cleaning your computer	32
Cleaning products	32
Cleaning procedures	32
Cleaning the display	32
Cleaning the sides and cover	32
Cleaning the keyboard	32
Using security measures	33
Setting Windows passwords	33
Setting Setup Utility (BIOS) passwords	34
Using Internet security software	34
Installing software updates	34
Installing Windows updates	34
Updating software	35
9 Using Setup Utility (BIOS) and HP PC Hardware Diagnostics (UEFI)	36
Starting Setup Utility (BIOS)	36
Updating the BIOS	36
Determining the BIOS version	36
Downloading a BIOS update	37
Using HP PC Hardware Diagnostics (UEFI)	37
Downloading HP PC Hardware Diagnostics (UEFI) to a USB device	38
10 Backing up, restoring, and recovering	39
Creating recovery media and backups	39
Creating HP Recovery media	40
Restore and recovery	41
Using Windows Refresh for quick and easy recovery	42
Remove everything and reinstall Windows	42
Recovering using HP Recovery Manager	43
What you need to know	43
Using the HP Recovery partition (select models only)	43
Using HP Recovery media to recover	44
Changing the computer boot order	44
Removing the HP Recovery partition	44
11 Troubleshooting	46
Wireless connection problems	46

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