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HP dx7400 - Microtower PC Troubleshooting Guide

HP dx7400 - Microtower PC
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The removable hard drive has no power to the hard drive enclosure.
Cause Solution
The lock on the enclosure is not turned to the “ON” position. Insert the key and turn the lock clockwise 90 degrees. The
green LED on the front of the enclosure should be on.
Power cable from the computer power supply to the enclosure
frame is not properly connected.
Check the power supply to make sure it is properly connected
to the rear of the enclosure frame.
The removable hard drive is not recognized by the computer.
Cause Solution
The removable hard drive carrier is not fully seated in the
enclosure frame or the hard drive is not fully seated in the
carrier.
Push the carrier into the enclosure frame so that the connector
on the rear of the frame is properly seated. If this does not solve
the problem, turn off the computer, remove the carrier, and
check to see if the connector on the hard drive is properly
seated in the carrier.
The removable hard drive enclosure is beeping and the green LED is flashing.
Cause
Solution
Fan failure alarm on the removable hard drive enclosure has
been activated.
Shut down the computer and contact HP for a replacement
enclosure.
Table 2-4 Solving Hard Drive Problems (continued)
20 Chapter 2 Troubleshooting Without Diagnostics ENWW

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HP dx7400 - Microtower PC Specifications

General IconGeneral
MemoryUp to 8 GB DDR2 SDRAM
AudioIntegrated High Definition Audio
Power Supply300W
ProcessorIntel Core 2 Duo, Pentium Dual-Core, or Celeron
StorageSATA Hard Drive
Optical DriveDVD-ROM, DVD+/-RW
GraphicsIntegrated Intel Graphics Media Accelerator 3100
NetworkingIntegrated Gigabit Ethernet
Expansion Slots1 PCI Express x16
Ports1 serial, 1 parallel, audio in/out
Operating SystemWindows XP Professional

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