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Solving audio problems, If the computer has audio features and you encounter audio problems

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Solving audio problems If the computer has audio features and you encounter audio problems, see the common causes and solutions listed in the following table. Table F-7 Solving audio problems Sound cuts in and out. Cause Processor resources are being used by other open applications. Solution Shut down all open processor-intensive applications. Sound does not come out of the speaker or headphones. Cause Solution Software volume control is turned down or muted. Double-click the Speaker icon on the taskbar, then make sure that Mute is not selected and use the volume slider to adjust the volume. Audio is hidden in Computer Setup. Enable the audio in Computer Setup: Security > Device Security > System Audio. Speakers muted in On-Screen Display (OSD) settings. Make sure the speakers are not muted in the OSD. The external speakers are not turned on. Turn on the external speakers. The audio device may be connected to the wrong jack. Ensure that the device is connected to the correct jack on the computer. The speakers should be plugged into the rear lineout jack and the headphones should be plugged into the front headphone jack. External speakers plugged into the wrong audio jack on a recently installed sound card. See the sound card documentation for proper speaker connection. Headphones or devices connected to the line-out connector Turn on and use headphones or external speakers, if mute the internal speaker. connected, or disconnect headphones or external speakers. Computer is in standby mode. Press the power button or touch the screen to resume from standby mode. CAUTION: When attempting to resume from standby mode, do not hold down the power button for more than four seconds. Otherwise, the computer will shut down and you will lose any unsaved data. Internal speaker is disabled in Computer Setup. Enable the internal speaker in Computer Setup. Select Advanced > Device Options > Internal Speaker. The application is set to use a different audio device than speakers. Make sure the correct device is being used. Some applications can select which audio output device is used. Make sure the application has selected the correct audio device. The operating system controls may be set to use a different audio device as the default output device than what is expected. Set the operating system to use the correct audio device. Speakers muted in On-Screen Display (OSD) settings. Make sure the speakers are not muted in the OSD. Solving audio problems 147

Section	Page
Product Features	11
Standard Features	11
Optional HP RP7 Accessories	13
Front Panel Controls	14
Using the On-Screen Display Menu	15
Rear I/O Panel Components	16
Installing and Customizing the Software	17
Installing the Windows operating system	17
Downloading Windows 7 updates	18
Installing or upgrading device drivers	18
Customizing the monitor display	18
Computer Setup (F10) Utility	19
Computer Setup (F10) Utilities	19
Using Computer Setup (F10) Utilities	20
Computer Setup—File	21
Computer Setup—Storage	22
Computer Setup—Security	23
Computer Setup—Power	27
Computer Setup—Advanced	28
Recovering the Configuration Settings	30
Computer Diagnostic Features	31
Hewlett-Packard Vision Diagnostics	31
Accessing HP Vision Diagnostics	31
Survey Tab	32
Test Tab	33
Status Tab	33
History Tab	34
Errors Tab	34
Help Tab	35
Saving and Printing Information in HP Vision Diagnostics	35
Downloading the Latest Version of HP Vision Diagnostics	35
Protecting the Software	36
Illustrated parts catalog	37
Plastics	37
System Board, Memory, and Processors	38
Drives	38
Misc parts	39
Cables	40
Accessories	41
VFD Display Kit	43
Stand-alone VFD Display Kit	44
Sequential part number listing	44
Serial and Parallel ATA Drive Guidelines and Features	47
SATA Hard Drives	47
SATA Hard Drive Cables	48
SATA Data Cable	48
SATA Power Cable	48
ATA SMART Drives	49
Hard Drive Capacities	49
Routine Care, and Disassembly Preparation	50
Electrostatic Discharge Information	50
Generating Static	50
Preventing Electrostatic Damage to Equipment	51
Personal Grounding Methods and Equipment	51
Grounding the Work Area	52
Recommended Materials and Equipment	52
Tools Needed	53
Computer Operating Guidelines and Routine Care	53
Touch Screen Maintenance	53
Service Considerations	53
Power Supply Fan	53
Tools and Software Requirements	54
Screws	54
Cables and Connectors	54
Hard Drives	54
Lithium Coin Cell Battery	55
Removal and Replacement Procedures	56
Preparation for Disassembly	56
Power Supply Cover	57
Decorative Panel (IMD)	58
Rear I/O Panel	59
Using the USB Security Cover	60
Mounting Bracket Cover	63
Display Head Back Panel	64
RP7 Adjustable Stand	65
Routing Cables to External Devices	70
Optional Integrated USB Modules	73
Optional HP Retail RP7 10.4” Customer Display	77
Optional HP Retail RP7 VFD Customer Display	82
Installing the VFD Customer Display Without Poles	82
VFD Customer Display With One or Two Poles	86
Cable Management	91
Memory	92
SODIMMs	92
DDR3-SDRAM DIMMs	92
Populating DIMM Sockets	93
Installing DIMMs	93
Hard Drive	96
Removing the Display Head from the Stand	100
Rear Metal Plate (EMI shield)	101
Battery	103
Blower	105
Heat Sink	107
Processor	109
Drive Cables and Bracket Assembly	111
Hood Sensor	114
Hard Drive LED Cable	115
Speaker	117
USB+PWR 24V and Cash Drawer Port Daughter Card	118
WLAN Module	119
System Board	120
Restoring and recovering	122
System Restore	122
System Recovery	123
System Recovery when Windows is responding	123
System Recovery when Windows is not responding	124
System recovery using recovery media	124
Creating recovery media	125
Using recovery media	125
Configuring the Software	127
Touch Screen Calibration	127
Calibration for Windows 7 and POSReady 7	127
Calibration for Windows XP	127
Configuring the MSR and VFD Customer Display	128
Configuring Powered Serial Ports	128
Power Cord Set Requirements	129
General Requirements	129
Japanese Power Cord Requirements	129
Country-Specific Requirements	130
POST Error Messages	131
Power-On Self-Test (POST)	131
POST Numeric Codes and Text Messages	132
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	137
Password Security and Resetting CMOS	140
Resetting the Password Jumper	141
Clearing and Resetting the CMOS	142
Troubleshooting Without Diagnostics	144
Safety and Comfort	144
Before You Call for Technical Support	144
Helpful Hints	145
Solving Retail System-specific Problems	147
Solving general problems	148
Solving power problems	151
Solving hard drive problems	151
Solving media card reader problems	154
Solving display problems	155
Solving audio problems	157
Solving printer problems	158
Solving keyboard and mouse problems (if installed)	160
Solving hardware installation problems	162
Solving network problems	164
Solving memory problems	166
Solving processor problems	168
Solving USB flash drive problems	168
Solving internet access problems	169
Solving software problems	171

Match case Limit results 1 per page

Solving audio problems

If the computer has audio features and you encounter audio problems, see the common causes and

solutions listed in the following table.

Table F-7

Solving audio problems

Sound cuts in and out.

Cause

Solution

Processor resources are being used by other open

applications.

Shut down all open processor-intensive applications.

Sound does not come out of the speaker or headphones.

Cause

Solution

Software volume control is turned down or muted.

Double-click the

Speaker

icon on the taskbar, then make

sure that

Mute

is not selected and use the volume slider to

adjust the volume.

Audio is hidden in Computer Setup.

Enable the audio in Computer Setup:

Security

Device Security

System Audio

Speakers muted in On-Screen Display (OSD) settings.

Make sure the speakers are not muted in the OSD.

The external speakers are not turned on.

Turn on the external speakers.

The audio device may be connected to the wrong jack.

Ensure that the device is connected to the correct jack on the

computer. The speakers should be plugged into the rear line-

out jack and the headphones should be plugged into the

front headphone jack.

External speakers plugged into the wrong audio jack on a

recently installed sound card.

See the sound card documentation for proper speaker

connection.

Headphones or devices connected to the line-out connector

mute the internal speaker.

Turn on and use headphones or external speakers, if

connected, or disconnect headphones or external speakers.

Computer is in

standby

mode.

Press the power button or touch the screen to resume from

standby

mode.

CAUTION:

When attempting to resume from

standby

mode, do not hold down the power button for more than four

seconds. Otherwise, the computer will shut down and you

will lose any unsaved data.

Internal speaker is disabled in Computer Setup.

Enable the internal speaker in Computer Setup. Select

Advanced

Device Options

Internal Speaker

The application is set to use a different audio device than

speakers.

Make sure the correct device is being used.

Some applications can select which audio output device is

used.

Make sure the application has selected the correct audio

device.

The operating system controls may be set to use a different

audio device as the default output device than what is

expected.

Set the operating system to use the correct audio device.

Speakers muted in On-Screen Display (OSD) settings.

Make sure the speakers are not muted in the OSD.

Solving audio problems

147