HP Pro SFF 400 G9 - Solving Hard Drive Problems; Hard Drive Error Occurs; Disk Drive Transaction Problem; Drive Not Found (Identified)

SolutionCause
Select the proper AC voltage using the selector switch.If the computer has a voltage selector, the
voltage selector switch on the rear of the
computer chassis (select products only) is not
switched to the correct line voltage (115 V or
230 V).
Replace the power supply.Power supply will not turn on because of
internal power supply fault.
Solving hard drive problems
These tables provide common causes and solutions for hard drive problems.
Hard drive error occurs
Use this information to troubleshoot the computer.
SolutionCause
1. In Windows, type file in the taskbar search box, and then select
File Explorer from the list of applications. In the left column, expand
This PC, right-click a drive, select Properties, and then select the
Tools tab. Under Error checking, select Check.
2. Use a utility to locate and block usage of bad sectors. If necessary,
reformat the hard disk.
Hard disk has bad sectors or has failed.
Disk drive transaction problem
Use this information to troubleshoot the computer.
Solution
Cause
In Windows, type file in the taskbar search box, and then select File
Explorer from the list of applications. In the left column, expand This PC,
right-click a drive, select
Properties, and then select the Tools tab. Under
Error checking, select Check.
Either the directory structure is bad or there is
a problem with a file.
Drive not found (identified)
Use this information to troubleshoot the computer.
Solution
Cause
Check cable connections.Cable could be loose.
See reconfiguration directions in the Solving hardware installation
problems on page 59 section. If the system still does not recognize
the new device, check to see if the device is listed in Computer Setup. If
it is listed, the probable cause is a driver problem. If it is not listed, the
probable cause is a hardware problem.
If this is a newly installed drive, run the Computer Setup utility, and add a
POST delay under Advanced > Boot Options.
The system might not have automatically
recognized a newly installed device.
Run the Computer Setup utility and be sure that Device Available is
selected for the device's SATA port in Advanced > Port Options.
The device is attached to a SATA port that has
been hidden in Computer Setup.
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