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HP Envy 4 Manual

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Page 81

4.Double-click the file that has an .exe extension (for example, filename.exe). The BIOS
installation begins.
5.Complete the installation by following the on-screen instructions.
NOTE:After a message on the screen reports a successful installation, you can delete the
downloaded file from your hard drive.
Using System Diagnostics
System Diagnostics allows you to run diagnostic tests to determine if the computer hardware is
functioning properly. The following diagnostic tests are available in System...

Page 82

6 Specifications
Computer specifications
 Metric U.S.
Dimensions
Width29.16 cm11.48 in
Depth2.15 cm8.46 in
Height (front to back)2.11 to 3.19 cm0.83 to 1.26 in
Weight
With 6-cell battery1.60 kg3.53 lb
With 3-cell battery1.46 kg3.22 lb
Input power
Operating voltage and current 18.5 V dc @ 3.5 A - 65 W
Temperature
Operating5°C to 35°C41°F to 95°F
Nonoperating-20°C to 60°C-4°F to 140°F
Relative humidity (noncondensing)
Operating 10% to 90%
Nonoperating 5% to 95%
Maximum altitude (unpressurized)
Operating-15...

Page 83

 Metric U.S.
Contrast ratio200:1 (typical)
Brightness200 nits (typical)
Pixel resolution
Pitch0.197 mm × 0.197 mm
Format 1366 × 768
Configuration RGB vertical stripe
BacklightLED
Character display80 × 25
Total power consumption2.0 W
Viewing angle±65° horizontal, ±50° vertical (typical)
14.0-inch display specifications 75 

Page 84

7 Backup and recovery
Your computer includes tools provided by the operating system and HP to help you safeguard your
information and restore it if ever needed.
This chapter provides information on the following topics:
●Creating a set of recovery discs or a recovery flash drive (HP Recovery Manager software
feature)
●Performing a system restore (from the partition, recovery discs, or a recovery flash drive)
●Backing up your information
●Recovering a program or driver
Restoring the system
If the computer...

Page 85

●Only one set of recovery discs or one recovery flash drive can be created per computer.
NOTE:If you are creating recovery discs, number each disc before inserting it into an optional
external optical drive (purchased separately).
●If necessary, you can exit the program before you have finished creating the recovery discs or
recovery flash drive. The next time you open HP Recovery Manager, you will be prompted to
continue the backup creation process.
To create a set of recovery discs or a recovery flash...

Page 86

To restore the computer from the recovery partition, follow these steps:
1.Access HP Recovery Manager in either of the following ways:
●Select Start > All Programs > Security and Protection > HP Recovery Manager > HP
Recovery Manager.
– or –
●Turn on or restart the computer, and then press esc while the “Press the ESC key for
Startup Menu” message is displayed at the bottom of the screen. Then, press f11 while the
“F11 (System Recovery)” message is displayed on the screen.
2.Click System Recovery in the...

Page 87

Restoring using the restore media
1.If possible, back up all personal files.
2.Insert the first recovery disc into an optional external optical drive (purchased separately), and
then restart the computer.
– or –
Insert the recovery flash drive into a USB port on your computer, and then restart the computer.
NOTE:If the computer does not automatically restart in the HP Recovery Manager, the
computer boot order needs to be changed.
3.Press f9 at system bootup.
4.Select the external optical drive or the...

Page 88

Guidelines:
●Create system restore points using the Windows® System Restore feature, and periodically
copy them to an optical disc using an optional external optical drive (purchased separately) or an
external hard drive. For more information on using system restore points, refer to 
Using
Windows system restore points on page 81.
●Store personal files in the Documents library and back up this folder periodically.
●Save customized settings in a window, toolbar, or menu bar by taking a screen shot of...

Page 89

Using Windows system restore points
A system restore point allows you to save and name a snapshot of your hard drive at a specific point
in time. You can then recover back to that point if you want to reverse subsequent changes.
NOTE:Recovering to an earlier restore point does not affect data files saved or e-mails created
since the last restore point.
You also can create additional restore points to provide increased protection for your files and
settings.
When to create restore points
●Before you add...

Page 90

8 Power cord set requirements
The wide-range input feature of the computer permits it to operate from any line voltage from 100 to
120 volts AC, or from 220 to 240 volts AC.
The 3-conductor power cord set included with the computer meets the requirements for use in the
country or region where the equipment is purchased.
Power cord sets for use in other countries and regions must meet the requirements of the country or
region where the computer is used.
Requirements for all countries
The following...
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