HP Pavilion Dv9400 Entertainment Notebook Pc Series Service Guide

Screw Listing
Maintenance and Service Guide A–29
Phillips PM2.0×4.0 Screw Locations
Table A-10
Phillips PM2.0×4.0 Screw
Color Qty. Length ThreadHead 
Width
Silver 4 4.0 mm 2.0 mm 5.0 mm
Where used:
4 screws that secure the wireless antenna transceivers to the display enclosure 
(documented in Section 5.14)mm 

A–30 Maintenance and Service Guide
Screw Listing
Phillips PM2.5×6.0 Screw Locations
Table A-11
Phillips PM2.5×6.0 Screw
Color Qty. Length ThreadHead 
Width
Black 4 6.0 mm 2.5 mm 5.0 mm
Where used:
4 screws that secure the fan/heat sink assembly to the system board 
(documented in Section 5.25)mm 

Maintenance and Service Guide B–1
B
Backup and Recovery
Backup and Recovery in Windows XP
Recovering System Information
Tools provided by the operating system and PC Recovery 
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 (PC Recovery software 
feature). Recovery discs are used to start up (boot) your...

B–2 Maintenance and Service Guide
Backup and Recovery
Backing Up Your Information
When to Back Up
■On a regularly scheduled basis
✎Set reminders to back up your information periodically.
■Before the computer is repaired or restored
■Before you add or modify hardware or software
Backup Suggestions
■Create system restore points using Windows XP Professional 
System Restore feature.
■Store personal files in the My Documents folder and back up 
these folders periodically.
■Back up templates stored in their...

Backup and Recovery
Maintenance and Service Guide B–3
Using System Restore Points
When you back up your system, you are creating a system restore 
point. 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 made to your system.
✎Recovering to an earlier restore point does not affect data files 
saved or e-mails created since the last restore point.
You also can...

B–4 Maintenance and Service Guide
Backup and Recovery
2. Click Restore my computer to an earlier time, and then 
click Next.
3. Follow the on-screen instructions.
Creating Recovery Discs
PC Recovery Disc Creator creates a set of recovery CDs or DVDs 
for the computer. Use recovery discs to restore the operating 
system and software programs to factory settings, in case of 
system failure or instability.
✎Handle these discs carefully and keep them in a safe place. The 
software allows the creation of only...

Backup and Recovery
Maintenance and Service Guide B–5
✎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. Select the type of disc you want to use and click Next.
✎The software examines the image and displays the number of 
blank discs needed to create your recovery discs.
4. Insert the first disc and follow the on-screen instructions to 
complete the creation of the recovery discs.
Reinstalling Software Programs and...

B–6 Maintenance and Service Guide
Backup and Recovery
Reinstalling Preinstalled Programs and Drivers
1. Remove the program or driver:
✎In some cases, drivers are not listed in the Add or Remove 
Programs list. If the driver is not listed, it does not need to be 
removed.
a. Select Start > Control Panel > Add or 
Remove Programs.
b. Click the program or driver you want to remove, and then 
click Change/Remove.
2. Select Start > All Programs > System Recovery > 
Application and Driver Recovery.
The...

Backup and Recovery
Maintenance and Service Guide B–7
✎Microsoft Windows XP has its own built-in repair features, 
such as System Restore and driver roll-back capabilities. If you 
have not already tried these features, try them before using 
PC Recovery.
✎PC Recovery only recovers software that was preinstalled at 
the factory. Software not provided with this computer must be 
reinstalled from the disc provided by the manufacturer or 
downloaded from the manufacturers Web site.
Recovering from the...

B–8 Maintenance and Service Guide
Backup and Recovery
3. Click OK.
4. Follow the on-screen instructions to complete the 
system recovery.
If you want to perform a destructive recovery:
✎A destructive recovery formats the hard drive and restores the 
computer to its factory state. Select this option only as a 
last resort.
a. Click Advanced Options on the System Recovery screen.
b. Select Destructive Recovery and follow the on-screen 
instructions.
Deleting the Recovery Partition on the 
Hard Drive
The PC...