HP 6730b Service Manual

							Optical drive connector board
DescriptionSpare part number
Optical drive connector board 487121-001
Before removing the optical drive connector board, follow these steps:
1.Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2.Disconnect all external devices connected to the computer.
3.Disconnect the power from the computer by first unplugging the power cord from the AC outlet and
then unplugging the AC Adapter from the computer.
4.Remove the battery (see 
Battery on page 47).
5.Remove the following:
a.Hard drive (see 
Hard drive on page 53)
b.Optical drive (see 
Optical drive on page 56)
c.Keyboard (see 
Keyboard on page 61)
d.Switch cover (see 
Switch cover on page 66)
e.Fan (see 
Fan on page 68)
f.Heat sink (see 
Heat sink on page 69)
g.Display assembly (see 
Display assembly on page 75)
h.Top cover (see 
Top cover on page 81)
i.ExpressCard board (see 
ExpressCard board on page 84)
j.Audio board (see 
Audio board on page 85)
k.Speaker (see 
Speaker on page 88)
l.Rear cover (see 
Rear cover on page 92)
m.SIM connector board (see 
SIM connector board on page 94)
n.System board (see 
System board on page 97)
Remove the optical drive connector board:
Component replacement procedures 101 
						

							Remove the optical drive connector board by sliding it off of the system board.
Reverse this procedure to install the optical drive connector board.
102 Chapter 4   Removal and replacement procedures 
						

							5 Computer Setup
This user guide describes features that are common to most models. Some features may not be
available on your computer.
Starting Computer Setup
Computer Setup is a preinstalled, ROM-based utility that can be used even when the operating system
is not working or will not load.
NOTE:Some of the Computer Setup menu items listed in this guide may not be supported by your
computer.
NOTE:An external keyboard or mouse connected to a USB port can be used with Computer Setup
only if USB legacy support is enabled.
To start Computer Setup, follow these steps:
1.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.
2.Press f10 to enter BIOS Setup.
Using Computer Setup
Navigating and selecting in Computer Setup
The information and settings in Computer Setup are accessed from the File, Security, Diagnostics, and
System Configuration menus.
To navigate and select in Computer Setup, follow these steps:
1.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.
Starting Computer Setup 103 
						

							NOTE:You can use either a pointing device (TouchPad, pointing stick, or USB mouse) or the
keyboard to navigate and make selections in Computer Setup.
●To select a menu or a menu item, use the keyboard arrow keys and then press enter, or use
a pointing device to click the item.
●To scroll up and down, click the plus sign (+) or the minus sign (-) in the upper-right corner of
the screen.
●To close open dialog boxes and return to the main Computer Setup screen, press esc, and
then follow the on-screen instructions.
2.Press f10 to enter BIOS Setup.
3.Select the File, Security, Diagnostics, or System Configuration menu.
To exit Computer Setup menus, choose one of the following methods:
●To exit Computer Setup menus without saving your changes, click Exit in the lower-left corner of
the screen, and then follow the on-screen instructions.
– or –
Use the arrow keys to select File > Ignore changes and exit, and then press enter.
– or –
●To save your changes and exit Computer Setup menus, click Save in the lower-left corner of the
screen, and then follow the on-screen instructions.
– or –
Use the arrow keys to select File > Save changes and exit, and then press enter.
Your changes go into effect when the computer restarts.
Restoring factory settings in Computer Setup
NOTE:Restoring defaults will not change the hard drive mode.
To return all settings in Computer Setup to the values that were set at the factory, follow these steps:
1.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.
2.Press f10 to enter BIOS Setup.
3.Use a pointing device or the arrow keys to select File > Restore defaults.
4.Follow the on-screen instructions.
5.To save your changes and exit, click Save in the lower-left corner of the screen, and then follow
the on-screen instructions.
– or –
Use the arrow keys to select File > Save changes and exit, and then press enter.
Your changes go into effect when the computer restarts.
104 Chapter 5   Computer Setup 
						

							NOTE:Your password settings and security settings are not changed when you restore the factory
settings.
Computer Setup Menus
The menu tables in this section provide an overview of Computer Setup options.
NOTE:Some of the Computer Setup menu items listed in this chapter may not be supported by your
computer.
File menu
SelectTo do this
System Information●View identification information for the computer and the batteries in the system.
●View specification information for the processor, cache and memory size, system
ROM, video revision, and keyboard controller version.
Set System Date and TimeSet or change the date and time on the computer.
Restore defaultsReplace the configuration settings in Computer Setup with the original factory settings.
(Hard drive mode, password settings, and security settings are not changed when you
restore the factory settings.)
Ignore changes and exitCancel any changes entered during the current session. Then exit and restart the computer.
Save  changes  and  exit Save changes and exit Save any changes entered during the current session. Then exit and
restart the computer. Your changes go into effect when the computer restarts.
Security menu
NOTE:Some of the menu items listed in this section may not be supported by your computer.
SelectTo do this
User Management (requires an
administrator password)●Create a new BIOS user account.
●View a list of ProtectTools users.
Password Policy (requires an
administrator password)Revise password policy criteria.
Allow HP SpareKey EnrollmentEnable/disable permission to enroll or reset HP SpareKey.
HP SpareKeyEnable/disable HP SpareKey (enabled by default).
Fingerprint Reset on Reboot (if
Present)Enable/disable the fingerprint reader (select models only; disabled by default).
Change PasswordEnter, change, or delete a BIOS administrator password.
DriveLock Passwords●Enable/disable DriveLock on any computer hard drive (enabled by default).
●Change a DriveLock user password or master password.
NOTE:DriveLock settings are accessible only when you enter Computer Setup by turning
on (not restarting) the computer.
Automatic DriveLock Enable/disable Automatic DriveLock support.
Computer Setup Menus 105 
						

							SelectTo do this
TPM Embedded Security
(requires an administrator
password)●Change TPM (Trusted Platform Module) Embedded Security device state at restart.
The following options are available:
◦Do Nothing (enabled by default)
◦Available and Disabled
◦Available and Enabled
◦Factory Defaults
●Reset Authentication Credential.
●Enable/disable support for the following:
◦Power-on authentication support (enabled by default)
◦Operating system TPM management (enabled by default)
◦Reset of TPM from operating system (disabled by default)
Disk SanitizerRun Disk Sanitizer to destroy all existing data on the primary hard drive.
CAUTION:If you run Disk Sanitizer, the data on the primary hard drive is destroyed
permanently.
System IDs Enter a user-defined computer asset tracking number and ownership tag.
Diagnostics menu
SelectTo do this
System Diagnostics menu
●F1 System Information—Displays the following information:
◦Identification information for the computer and the batteries in the system.
◦Specification information for the processor, cache and memory size, system
ROM, video revision, and keyboard controller version.
●F2 Start-up Test—Verifies the system components needed for starting the computer.
●F3 Run-In Test—Runs a comprehensive check on system memory.
●F4 Hard Disk Test—Runs a comprehensive self-test on any hard drive in the
system.
System Configuration menu
NOTE:Some of the listed System Configuration options may not be supported by your computer.
SelectTo do this
Language Change the Computer Setup language.
106 Chapter 5   Computer Setup 
						

							SelectTo do this
Boot Options●Set a Startup Menu delay (in seconds).
●Enable/disable Custom Logo (disabled by default).
●Enable/disable Display Diagnostic URL (disabled by default).
●Enable/disable CD-ROM boot (enabled by default).
●Enable/disable SD Card boot (enabled by default).
●Enable/disable diskette boot (enabled by default).
●Enable/disable boot from Extensible Firmware Interface (EFI) File (select models only;
enabled by default).
●Enable/disable internal network adapter boot and set the Preboot eXecution
Environment (PXE) (enabled by default).
●Set the Express Boot Popup delay in seconds.
●Set the boot order.
Device Configurations
●Enable/Disable Unified Extensible Firmware Interface (UEFI) mode (disabled by
default).
●Enable/disable USB legacy support (enabled by default). When enabled, USB legacy
support allows the following:
◦Use of a USB keyboard in Computer Setup even when a Windows® operating
system is not running.
◦Startup from bootable USB devices, including a hard drive, diskette drive, or
optical drive connected by a USB port to the computer.
●Select a parallel port mode: ECP (Enhanced Capabilities Port), standard, bidirectional,
or EPP (Enhanced Parallel Port).
●Enable/disable BIOS DMA data transfers (select models only; enabled by default).
●Enable/disable fan always on while connected to an AC outlet (disabled by default).
●Enable/disable LAN Power Save. When enabled, saves power by turning off the LAN
when not in use (enabled by default).
●Enable/disable Data Execution Prevention. When enabled, the processor can disable
some virus code execution, which helps to improve computer security.
●SATA (Serial Advanced Technology Attachment) device mode. The following options
are available:
◦AHCI (Advanced Host Controller Interface)
◦IDE (Integrated Drive Electronics)
Computer Setup Menus 107 
						

							SelectTo do this
NOTE:Availability of the options above varies by computer model.
●Enable/disable secondary battery fast charge (enabled by default).
●Enable/disable HP QuickLook 2 (enabled by default).
●Enable/disable Virtualization Technology (select models only; enabled by default).
●Enable/disable TXT (Intel® Trusted Execution Technology) (select models only;
enabled by default).
●Enable/disable Dual Core CPU (select models only; enabled by default).
Built-In Device Options●Enable/disable the wireless button state (enabled by default).
●Enable/disable embedded WWAN device radio (select models only; enabled by
default).
●Enable/disable embedded Bluetooth® device radio (enabled by default).
●Enable/disable the Network Interface Controller (LAN) (enabled by default).
●Set the wake on LAN state. Options include the following:
◦Disabled
◦Boot to Network (set by default)
◦Follow Boot Order
●Enable/disable the fingerprint device (enabled by default).
●Enable/disable a modem device (enabled by default).
Port Options (all are enabled by
default)NOTE:All port options are enabled by default.
●Enable/disable the smart card slot.
●Enable/disable the ExpressCard slot.
●Enable/disable the serial port.
●Enable/disable the parallel port.
●Enable/disable the flash media reader.
●Enable/disable the USB port.
CAUTION:Disabling the USB port also disables MultiBay devices and ExpressCard
devices on the advanced port replicator.
●Enable/disable the 1394 port.
Set Security LevelChange, view, or hide security levels for all BIOS menu items.
Restore Security Defaults Restore the default security settings.
108 Chapter 5   Computer Setup 
						

							6 Specifications
Computer specifications
 MetricU.S.
Dimensions
Depth
26.56 cm10.46 in
Width35.60 cm14.02 in
Height (front to rear)3.36 cm1.32 in
Weight (equipped with optical drive, hard drive, and battery)2.69 kg5.93 lbs
Input power
Operating voltage
18.5 V dc @ 3.5 A - 65 W or 19.0 V dc @ 4.74 A - 90 W
Operating current3.5 A or 4.74 A
Temperature
Operating (not writing to optical disc)
0°C to 35°C32°F to 95°F
Operating (writing to optical disc)5°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%
Nonoperating5% to 95%
Maximum altitude (unpressurized)
Operating
-15 m to 3,048 m-50 ft to 10,000 ft
Nonoperating-15 m to 12,192 m-50 ft to 40,000 ft
Shock
Operating
125 g, 2 ms, half-sine
Nonoperating200 g, 2 ms, half-sine
Random vibration
Operating
0.75 g zero-to-peak, 10 Hz to 500 Hz, 0.25 oct/min sweep rate
Computer specifications 109 
						

							 MetricU.S.
Nonoperating1.50 g zero-to-peak, 10 Hz to 500 Hz, 0.5 oct/min sweep rate
NOTE:Applicable product safety standards specify thermal limits for plastic surfaces. The computer operates well within this
range of temperatures.
15.4-inch, WSXGA display specifications
 MetricU.S.
Dimensions
Height
20.7 cm8.15 in
Width33.1 cm13.03 in
Diagonal39.1 cm15.39 in
Number of colorsUp to 16.8 million
Contrast ratio200:1 (typical)
Brightness180 nits (typical)
Pixel resolution
Pitch
0.197 × 0.197 mm
Format1680 × 1050
ConfigurationRGB vertical stripe
BacklightCCFT
Character display80 × 25
Total power consumption7.0 W
Viewing angle+/-40 horizontal, +/–50° vertical (typical)
110 Chapter 6   Specifications