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HP t150 Maintenance & Service Guide: HP MultiSeat 6000 Desktop, HP MultiSe - Page 190

Solving 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 K-6 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. 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 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 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. One or more audio solutions are installed in the system. Ensure that your application is set to use the correct audio device. 180 Appendix K Troubleshooting Hardware

Section	Page
Product Features	11
HP Multiseat ms6000	11
Standard Configuration Features	11
Front Panel Components	12
Rear Panel Components	13
Serial Number Location	14
HP MultiSeat t100 Thin Client	15
Front Panel Components	15
Rear Panel Components	15
Serial Number Location	16
HP MultiSeat t150 Thin Client	17
Front Panel Components	17
Rear Panel Components	18
Serial Number Location	18
MultiPoint Overview	19
Getting Started	20
Overview of MultiPoint Manager	20
MultiPoint Server management and maintenance	20
Daily use of your MultiPoint Server system	21
Computer Setup (F10) Utility	22
Computer Setup (F10) Utilities	22
Using Computer Setup (F10) Utilities	23
Computer Setup—File	25
Computer Setup—Storage	27
Computer Setup—Security	31
Computer Setup—Power	35
Computer Setup—Advanced	36
Recovering the Configuration Settings	40
Serial ATA Drive Guidelines and Features	41
SATA Hard Drives	41
SATA Hard Drive Cables	42
SATA Data Cable	42
SATA Power Cable	42
ATA SMART Drives	43
Identifying the Chassis, Routine Care, and Disassembly Preparation	44
Chassis Designation	44
Electrostatic Discharge Information	44
Generating Static	45
Preventing Electrostatic Damage to Equipment	45
Personal Grounding Methods and Equipment	46
Grounding the Work Area	46
Recommended Materials and Equipment	46
Operating Guidelines	47
Routine Care	48
General Cleaning Safety Precautions	48
Cleaning the Computer Case	48
Cleaning the Keyboard	48
Cleaning the Monitor	49
Cleaning the Mouse	49
Service Considerations	49
Power Supply Fan	49
Tools and Software Requirements	49
Screws	50
Cables and Connectors	50
Hard Drives	50
Lithium Coin Cell Battery	51
Removal and Replacement Procedures	52
Preparation for Disassembly	52
Access Panel	53
Front Bezel	54
Bezel Blanks	55
Installing Additional Memory	56
DIMMs	56
DDR3-SDRAM DIMMs	56
Populating DIMM Sockets	57
Installing DIMMs	58
Expansion Cards	60
Cable Management	65
Installing and Removing Drives	68
Drive Positions	70
System Board Drive Connections	71
Removing an External 5.25-inch Drive	72
Installing an Optical Drive into the 5.25-inch Drive Bay	73
Removing an External 3.5-inch Drive	76
Installing a Drive into the 3.5-inch External Drive Bay	78
Removing and Replacing the Primary 3.5-inch Internal SATA Hard Drive	80
Removing and Replacing a Removable 3.5-inch SATA Hard Drive	84
Baffle	89
Front Fan Assembly	90
Front I/O and Power Switch Assembly	91
Speaker	93
Heat sink	94
Processor	95
Power Supply	96
System Board	97
Battery	98
Type 1 Battery Holder	99
Type 2 Battery Holder	100
Type 3 Battery Holder	100
External Security Devices	102
Installing a Security Lock	102
Cable Lock	102
Padlock	103
HP Business PC Security Lock	103
Front Bezel Security	105
Using the HP MultiSeat ms6000 Desktop in a Tower Orientation	107
Connector Pin Assignments	108
Keyboard	108
Mouse	108
Ethernet RJ-45	109
Serial Interface, Powered and Non-Powered	109
USB	109
Microphone	110
Headphone	110
Line-in Audio	110
Line-out Audio	110
Monitor	111
4-Pin Power (for CPU)	111
PCI Express	112
PCI Express	113
DVI Connector	115
DisplayPort Connector	116
Power Cord Set Requirements	117
General Requirements	117
Japanese Power Cord Requirements	117
Country-Specific Requirements	118
POST Error Messages	119
POST Numeric Codes and Text Messages	120
Interpreting POST Diagnostic Front Panel LEDs and Audible Codes	127
Password Security and Resetting CMOS	131
Resetting the Password Jumper	132
Clearing and Resetting the CMOS	133
Managing Hardware	135
View Hardware Status	136
Work with USB Devices	137
Work with Video Devices	139
Working with video monitors	139
Working with video projectors	139
Set Up a Station	141
Setting Up Station Hardware	141
Managing the MultiPoint Server System	144
Switch Between Modes	145
Shut Down or Restart the Computer	147
Add Client Access Licenses	148
Managing Content	149
Keep Content Private	150
Save and Share Content Using USB Storage Devices	151
Share Content with Other MultiPoint Server Users	152
Managing Desktops	153
End a User Session	154
Disconnect a User Session for Later Use	155
View Desktop Status	156
Log Off, Disconnect, or End a User Session	157
Logging off or disconnecting a session	157
Disconnecting or ending a standard user’s session	157
Managing Users	158
User Account Considerations	159
What are user accounts?	159
Which user account strategy is right for your MultiPoint Server system?	159
Create an Administrative User Account	160
Create a Standard User Account	161
Update or Delete User Accounts	162
Manage User Accounts When Connected to a Workgroup	162
Manage User Accounts When Connected to a Domain	163
Troubleshooting Software	164
System and Software Issues	165
Audio and Video Issues	169
Other Issues	172
Troubleshooting Hardware	173
Helpful Hints	173
Solving General Problems	175
Solving Power Problems	179
Solving Hard Drive Problems	180
Solving Media Card Reader Problems	183
Solving Display Problems	185
Solving Audio Problems	190
Solving Printer Problems	192
Solving Keyboard and Mouse Problems	193
Solving Hardware Installation Problems	195
Solving Network Problems	197
Solving Memory Problems	200
Solving Processor Problems	202
Solving CD-ROM and DVD Problems	203
Solving USB Flash Drive Problems	205
Solving Front Panel Component Problems	206
Solving Internet Access Problems	207
Solving Software Problems	208
Specifications	209
HP MultiSeat ms6000	209
HP MultiSeat t100 and t150 Thin Client	211