HP Pavilion Dv2970ef Special Edition Entertainment Notebook Pc Manual

Reinstalling software programs and drivers
If a program or driver preinstalled at the factory is accidentally erased or is damaged, Recovery Manager
allows you to reinstall it.
NOTE:Software not provided with this computer must be reinstalled from the disc provided by the
manufacturer or downloaded from the manufacturers Web site.
NOTE:Before reinstalling the program, be sure it is fully uninstalled.
Recovery Manager replaces corrupted system files and reinstalls deleted system files within the program....

Performing a recovery
Recovery Manager software allows you to repair or restore the system if you experience system failure or
instability. Recovery Manager works from recovery discs that you create or from a dedicated recovery
partition on the hard drive.
NOTE:Windows has its own built-in repair features, such as System Restore and driver rollback
capabilities. If you have not already tried these features, try them before using Recovery Manager.
NOTE:Recovery Manager only recovers software that was...

Deleting the recovery partition on the hard drive
The Recovery Manager Advanced Options menu provides the option of deleting the recovery partition,
which will increase space on the hard drive. Delete the recovery partition only if you have already created
recovery discs.
CAUTION:After you create the recovery discs, you can increase space on the hard drive by deleting
the recovery partition. However, doing this is not recommended. If you delete this partition, you will lose
any information that is on the...

9
Connector pin assignments
Audio-in (microphone)
PinSignal
1Audio signal in
2Audio signal in
3Ground
Audio-out (headphone)
PinSignal
1Audio out, left channel
2Audio out, right channel
3Ground
166 Chapter 9   Connector pin assignments 

External monitor
PinSignal
1Red analog
2Green analog
3Blue analog
4Not connected
5Ground
6Ground analog
7Ground analog
8Ground analog
9+5 VDC
10Ground
11Monitor detect
12DDC 2B data
13Horizontal sync
14Vertical sync
15 DDC 2B clock
External monitor 167 

RJ-11 (modem)
PinSignal
1Unused
2Tip
3Ring
4Unused
5Unused
6 Unused
RJ-45 (network)
PinSignal
1Transmit +
2Transmit -
3Receive +
4Unused
5Unused
6Receive -
7Unused
8 Unused
168 Chapter 9   Connector pin assignments 

S-Video-out
PinSignal
1S-VHS color (C) signal
2Composite video signal
3S-VHS intensity (Y) signal
4S-VHS color ground
5TV-CD
6S-VHS intensity ground
7 Composite video ground
Universal Serial Bus
PinSignal
1+5 VDC
2Data -
3Data +
4Ground
S-Video-out 169 

10
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 or regions must meet the requirements of the country or region
where the computer is used.
Requirements for all countries or regions
The...

Requirements for specific countries or regions
Country/regionAccredited agencyApplicable note number
AustraliaEANSW1
AustriaOVE1
BelgiumCEBC1
CanadaCSA2
DenmarkDEMKO1
FinlandFIMKO1
FranceUTE1
GermanyVDE1
ItalyIMQ1
JapanMETI3
The NetherlandsKEMA1
NorwayNEMKO1
The Peoples Republic of ChinaCCC5
South KoreaEK4
SwedenSEMKO1
SwitzerlandSEV1
TaiwanBSMI4
The United KingdomBSI1
The United StatesUL2
1.The flexible cord must be Type HO5VV-F, 3-conductor, 1.0-mm² conductor size. Power cord set fittings (appliance...

11
Recycling
Battery
When a battery has reached the end of its useful life, do not dispose of the battery in general household
waste. Follow the local laws and regulations in your area for computer battery disposal.
Display
WARNING!The backlight contains mercury. Caution must be exercised when removing and handling
the backlight to avoid damaging this component and causing exposure to the mercury.
CAUTION:The procedures in this appendix can result in damage to display components. The only
components...