HP Pavilion Hdx9400 Entertainment Notebook Pc Series Service Guide

Where used: 2 captive screws (secured inside the video board heat sink) that secure the video board
heat sink to the system board
Black Phillips PM2.0×4.0 screw
ColorQuantityLengthThreadHead diameter
Black 3 4.0 mm 2.0 mm 4.5 mm
114 Chapter 7   Screw listing 

8
Backup and Recovery
Recovering system information
Tools provided by the operating system and Recovery Manager software are designed to help you with
the following tasks for safeguarding your information and restoring it in case of a system failure:
●Backing up your information regularly to protect your important system files.
●Making a set of recovery discs (Recovery Manager software feature). Recovery discs are used to
start up (boot) your computer and restore the operating system and software...

To create a set of recovery discs:
1.Select Start > All Programs > Recovery Manager > Recovery Manager.
Recovery Manager opens.
2.Click Advanced Options.
NOTE:If you are operating the computer on battery power, you will be prompted to connect to
AC power before you can go to the next step.
3.Click Recovery disc creation, and then click Next.
4.Follow the on-screen instructions.
Backing up your information
When to back up
●On a regularly scheduled basis
NOTE:Set reminders to back up your information...

You also can create additional restore points to provide increased protection for your system files and
settings.
When to create restore points
●Before you add or extensively modify software or hardware
●Periodically, whenever the system is performing optimally
NOTE:If you revert to a restore point and then change your mind, you can reverse the restoration.
Create a system restore point
1.Select Start > Control Panel > System and Maintenance > System.
2.In the left pane, click System protection.
3.Click...

Recovering from the recovery discs
To restore the system from the recovery discs:
1.Back up all personal files.
2.Insert the first recovery disc into the optical drive and restart the computer.
3.Follow the on-screen instructions.
Recovering from the partition on the hard drive
You can perform a recovery from the partition on the hard drive from either the Start button or f11.
To restore the system from the partition, follow these steps:
1.Access Recovery Manager in either of the following ways:
●
Select...

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

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
RJ-45 (network)
PinSignal
1Transmit +
2Transmit -
3Receive +
4Unused
5Unused
6Receive -
7Unused
8 Unused
RJ-45 (network) 121 

Universal Serial Bus
PinSignal
1+5 VDC
2Data -
3Data +
4Ground
122 Chapter 9   Connector pin assignments 

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...

Country or regionAccredited agencyApplicable note number
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 coupler
and wall plug) must bear the certification mark of the agency responsible for evaluation in the country or region where it
will be used.
2.The flexible cord must be Type SPT-3 or equivalent, No. 18 AWG, 3-conductor. The wall plug must be a...