HP Dc7900 Support Question
HP Dc7900 Support Question
Find answers below for this question about HP Dc7900 - Compaq Business Desktop.Need a HP Dc7900 manual? We have 23 online manuals for this item!
Question posted by cangJphi on September 22nd, 2014
Dc7900 Small Form Factor Cooling Fans Wont Shut Off
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Related HP Dc7900 Manual Pages
Service Reference Guide: HP Compaq dc7900 Business PC - Page 7
... Designations ...54 Convertible Minitower (CMT 54 Small Form Factor (SFF 55 Ultra-Slim Desktop (USDT 55 Electrostatic Discharge Information ...56 Generating... Cleaning the Mouse ...60 Service Considerations ...60 Power Supply Fan ...60 Tools and Software Requirements 60 Screws ...61 Cables ... Lock ...66 Padlock ...67 HP Business PC Security Lock 68 Computer Access Panel ...70 Front Bezel...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 8
...105 Processor ...106 Front Chassis Fan ...107 Power Supply ...108 System Board ...109 Battery ...110 Type 1 Battery Holder ...111 Type 2 Battery Holder ...111 Type 3 Battery Holder ...112 Changing from a Minitower to a Desktop Configuration 113 Changing from a Desktop to a Minitower Configuration 115
8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Preparation for Disassembly...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 9
... 2 Battery Holder ...174 Type 3 Battery Holder ...175 Using the Small Form Factor Computer in a Tower Orientation 176
9 Removal and Replacement Procedures Ultra-Slim Desktop (USDT) Chassis Preparation for Disassembly ...178 External Security Devices ...179 Installing a Security Lock 179 Cable Lock ...179 Padlock ...180 HP Business PC Security Lock 180 Computer Access Panel ...183 Front Bezel...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 130
...cooling fan is on the system board as long as you remove it . NOTE: During disassembly, label each cable as the system is plugged into an active AC outlet. 8 Removal and Replacement Procedures Small Form Factor...application may damage the unit.
118 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Preparation for Disassembly
See Identifying the Chassis, Routine Care...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 132
... on page 125. To reattach the Smart Cover Lock, secure the lock in place with the tamper-proof screw.
120 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 2. Use the Smart Cover FailSafe Key to remove the tamper-proof screw that secures the Smart Cover Lock to the chassis.
Service Reference Guide: HP Compaq dc7900 Business PC - Page 134
Padlock
Figure 8-3 Installing a Padlock
122 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis
Service Reference Guide: HP Compaq dc7900 Business PC - Page 136
Use the key provided to engage the lock. Insert the plug end of the security cable into the lock (1) and push the button in (2) to disengage the lock. Figure 8-7 Engaging the Lock
124 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis 3. Screw the lock to the Chassis
4. Figure 8-6 Attaching the Lock to the chassis using the screw provided.
Service Reference Guide: HP Compaq dc7900 Business PC - Page 138
... down on page 125). 3. Figure 8-10 Removing the Front Bezel
To install the front bezel, reverse the removal procedure.
126 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Remove the access panel (Computer Access Panel on the latch behind the upper right side of the bezel off the chassis (1), followed by...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 140
...-GB of memory configured in a highperforming dual channel mode. To achieve the maximum memory support, you install unsupported DIMMs.
128 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis DDR2-SDRAM DIMMs
For proper system operation, the DDR2-SDRAM DIMMs must be populated with up to four industry-standard DIMMs. These memory...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 142
...the internal system components to drain before touching.
130 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Installing DIMMs
CAUTION: You must disconnect the power cord and wait ...or system board. Prepare the computer for disassembly (Preparation for the power to cool before adding or removing memory modules. Rotate up the external drive bay housing and...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 144
... vacant expansion socket on the system board and the corresponding expansion slot on the back of the computer chassis.
132 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis For dual graphics card configurations, the first (primary) card must be installed in the PCI Express x16 slots. An optional PCI riser card...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 146
... and forth until the connectors pull free from the chassis frame. Figure 8-19 Removing a PCI Express x16 Expansion Card
134 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis If you are removing a standard PCI card, hold the card at each end, and carefully rock it from the socket. Pull the expansion...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 148
... cover retention latch back in place to the Computer Setup (F10) Utility Guide for instructions on using Computer Setup.
136 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Reconfigure the computer, if necessary. Connect external cables to the system board, if needed . Figure 8-21 Closing the Expansion Slot Retainer
10. Refer...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 149
... cable could damage the cable and result in ) radius. ● Never crease a SATA data cable. ● Do not rely on the cable. Cable Management
The Small Form Factor chassis is a very compact computer and proper routing of the internal cables is lowered into the chassis.
Service Reference Guide: HP Compaq dc7900 Business PC - Page 150
...White Black Black Black
Description Power supply, 24-pin Power supply, 4-pin Diskette drive Chassis fan Front power button/LED Front I/O USB Front audio Internal speaker Serial port 1st HDD 1st ODD...port header ReadyBoost module
138 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Cable Connections
System board connectors are color-coded to make it easier to find ...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 152
... drives (except the primary hard drive) use M3 metric screws. Figure 8-24 Secondary Hard Drive 6-32 Guide Screws Location
140 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis The 6-32 standard screws are required for the external drive bays (four 6-32 standard screws and four M3 metric screws), installed in the...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 174
...). 3. Disconnect the hood sensor cable. 7. Remove the screw that secures the fan to the chassis (1), slide the fan to orient the air flow into the unit.
162 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Be sure to the right (2), tilt the fan
so it clears the top of the chassis, and then lift...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 176
Remove the chassis fan (Front Fan Assembly on page 126). 4. Rotate the drive cage to its slot.
164 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis Squeeze the switch holder retaining clips together at the front of the chassis, threading the wires through the slot left open by the ...
Service Reference Guide: HP Compaq dc7900 Business PC - Page 180
... alcohol pad provided in the spares kit.
168 Chapter 8 Removal and Replacement Procedures Small Form Factor (SFF) Chassis The heatsink must clean the top of the processor and the bottom...7. Prepare the computer for disassembly (Preparation for Disassembly on page 167). 5.
Remove the fan shroud (Fan Shroud on page 125). 3. Raise and rotate the microprocessor retainer to replace the system ...
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. Figure 1 Bandwidth comparison for internal mass storage devices in HP Compaq Business PCs in the market.
SATA replaced the old PATA (Parallel ATA) interface as the industry standard interface between different external storage device interfaces. Benefits of...
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