Solving Hard Drive Problems - HP EliteDesk 705 G1 Microtower Maintenance And Service Manual

Power LED flashes Red four times, once every second, followed by a two second pause, and the computer beeps four
times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Cause

Solving hard drive problems

Hard drive error occurs.
Cause
Hard disk has bad sectors or has failed.
Disk transaction problem.
Cause
Either the directory structure is bad or there is a problem with
a file.
Drive not found (identified).
Cause
Cable could be loose.
The system may not have automatically recognized a newly
installed device.
Solution
the system enters POST, then power off and replace
one device at a time and repeat this procedure until
failure occurs. Replace the device that is causing the
failure. Continue adding devices one at a time to ensure
all devices are functioning properly.
4. Replace the power supply.
5. Replace the system board.
Solution
1. In Windows 7, click Start, click Computer, and right-click
on a drive. Select Properties, and then select the Tools
tab. Under Error-checking click Check Now.
In Windows 8.1, on the Start screen type e, and then
select File Explorer from the list of applications. In the
left column, expand Computer, right-click on a drive,
select Properties, and then select the Tools tab. Under
Error checking click Check.
2. Use a utility to locate and block usage of bad sectors. If
necessary, reformat the hard disk.
Solution
In Windows 7, click Start, expand Computer, and right-click
on a drive. Select Properties, and then select the Tools tab.
Under Error-checking click Check Now.
In Windows 8.1, on the Start screen type e, and then click
File Explorer from the list of applications. In the left column,
expand Computer, right-click on a drive, select Properties,
and then select the Tools tab. Under Error checking click
Check.
Solution
Check cable connections.
See reconfiguration directions in the
Installation Problems on page 144
does not recognize the new device, check to see if the
device is listed within Computer Setup. If it is listed, the
Solving hard drive problems 131
Solving Hardware
section. If the system still