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Question posted by spadhipadhi on March 1st, 2012

Volume Problem

i have correct volume driver and the volume option is showing in my desktop but there is no volume comming from my system so i am unable to hear the song please tell how will i solve tht step by step

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Related Compaq dc7900 Manual Pages

Hardware Reference Guide - dc7900 Series Convertible Minitower - Page 2

HP shall not be construed as constituting an additional warranty. Hardware Reference Guide HP Compaq Business PC dc7900 Series Convertible Minitower First Edition (July 2008) Document part number: 490843-001 Nothing herein should be liable for HP products and services are either trademarks or registered trademarks ...

Hardware Reference Guide - dc7900 Series Convertible Minitower - Page 7

...page 43 in the Troubleshooting Guide. 1 Product Features Standard Configuration Features The HP Compaq Convertible Minitower features may vary depending on the model. NOTE: The HP Compaq Convertible Minitower computer can be easily converted to a Desktop Configuration on some computer models only). Figure 1-1 Convertible Minitower Configuration ENWW Standard Configuration Features 1

Illustrated Parts & Service Map: HP Compaq dc7900 Convertible Minitower Business PC - Page 1

... 5.25-inch • 1 external 3.5-inch • 2 internal 3.5-inch Serial (2, 1 optional), parallel (optional), eSATA (optional), USB 2.0 (8), USB 2.0, internal on system board (2), RJ-45, front and rear audio... notice. and other countries. Illustrated Parts & Service Map HP Compaq dc7900 Convertible Minitower Business PC © 2008, 2009 Hewlett-Packard Development Company, L.P. The information...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 7

...the Chassis, Routine Care, and Disassembly Preparation Chassis Designations ...54 Convertible Minitower (CMT 54 Small Form Factor (SFF 55 Ultra-Slim Desktop (USDT 55 Electrostatic Discharge Information ...56 Generating Static ...56 Preventing...Security Lock 66 Cable Lock ...66 Padlock ...67 HP Business PC Security Lock 68 Computer Access Panel ...70 Front Bezel ...71 Bezel Blanks ...72 Cable...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 66

6 Identifying the Chassis, Routine Care, and Disassembly Preparation This chapter provides general service information for proper service. Chassis Designations Convertible Minitower (CMT) Figure 6-1 Convertible Minitower chassis 54 Chapter 6 Identifying the Chassis, Routine Care, and Disassembly Preparation Adherence to the system board. CAUTION: When the computer is plugged into an AC ...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 75

... the computer. 5. Regardless of different thread sizes and lengths; Preparation for Disassembly 63 Exit the operating system. 4. NOTE: Not all computers. 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Adherence to the procedures and precautions described in this guide are connected to it , noting its side to verify that prohibit opening the...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 76

...Power outage ● Startup failure ● PC component (for example, processor or power ...lock prevents unauthorized access to the Desktop Management Guide. Smart Cover FailSafe ...optional feature included on page 63). 64 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis order this key before you will need the key to the HP Web site (http://www.hp.com...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 78

... displayed below and on the following security devices are used to a fixed object. Cable Lock Figure 7-2 Installing a Cable Lock 66 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis External Security Devices The following page can be used to prevent unauthorized access to the internal components of the computer and/or secure...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 80

Thread the keyboard and mouse cables through the lock. HP Business PC Security Lock 1. Fasten the security cable by looping it around a stationary object. Figure 7-5 Threading the Keyboard and Mouse Cables 68 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Figure 7-4 Securing the Cable to a Fixed Object 2.

Service Reference Guide: HP Compaq dc7900 Business PC - Page 82

Figure 7-8 Removing the Computer Access Panel To install the access panel, reverse the removal procedure. 70 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Computer Access Panel 1. Prepare the computer for disassembly (Preparation for Disassembly on the access panel handle (1), slide the access panel back about 1.25 ...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 84

... the bottom of the subpanel when properly oriented. 72 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Prepare the computer for disassembly (Preparation for Disassembly on the subpanel should ... aligning pins and any remaining bezel blanks are in it away from the Subpanel (Desktop Shown) NOTE: When replacing the subpanel, ensure that align it within the front ...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 86

... Hard drive, SATA0 2nd HDD 1st ODD or 2nd HDD if no ODD present, SATA1 2nd ODD 3rd ODD 74 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Cable Connections System board connectors are color-coded to make it easier to find the proper connection.

Service Reference Guide: HP Compaq dc7900 Business PC - Page 88

... dual channel mode if the total memory capacity of the DIMMs in Channel A is not equal to dual channel 76 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis In flex mode, the channel populated with two sockets per channel. Sockets DIMM1 and DIMM2 operate in Channel B. The system will automatically operate...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 90

...socket (1), and insert the memory module into the socket, ensuring that were disengaged when the computer access panel was removed. Repeat steps 4 and 5 to install any security devices that the module is spread as equally as possible between Channel A and Channel B.... module with the tab on the computer. 78 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis

Service Reference Guide: HP Compaq dc7900 Business PC - Page 92

... the expansion slot. Press straight down on the back of the chassis. Figure 7-16 Removing an Expansion Slot Cover 80 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis If you are installing an expansion card in a vacant socket, remove the appropriate expansion slot cover on the two green thumb tabs inside...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 94

... on the card so that it with a new card or expansion slot cover for instructions on using Computer Setup. 82 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis Connect external cables to close the open slot. Figure 7-19 Installing an Expansion Card NOTE: When installing an expansion card, press firmly on...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 98

... for optional drives (diskette drive shown)2 3 Two 3.5-inch internal hard drive bays 1 An optional media card reader and an optional hard drive mounting bracket for more than the upper two bays. The bottom bay supports a half-height drive or other device that is no more information. 86 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 106

...data cable to the rear of unnecessary force when installing any hard drive performance problems. If you must connect the hard drive data cable to the dark blue ...F10) Utility Guide for instructions on using Computer Setup. 94 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis 5. The drivelock automatically secures the drive in the drive cage. Reconfigure the ...

Service Reference Guide: HP Compaq dc7900 Business PC - Page 126

...on page 72. This could damage the pins that it snaps into the drive bay may result in the Desktop Configuration 7. Figure 7-59 Installing a Drive in damage to the internal 3.5-inch drive. Gently slide the ... to the green latch drive bracket. Repeat this step for the desktop configuration. 114 Chapter 7 Removal and Replacement Procedures Convertible Minitower (CMT) Chassis

Using eSATA on HP Compaq dc7900 Business PCs - Page 2

Both the HP Compaq dc7900 Business PC Small Form Factor (SFF) and Convertible Minitower (CMT) form factors have full eSATA support. eSATA provides the following... storage device interfaces. Introduction HP introduced SATA technology for external hard drive interfaces 2 The next logical step in SATA technology is to apply it to external mass storage devices, leading to be reliable and ...