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Solving Hard Drive Problems - HP EliteOne 1000 G1 Maintenance & Service Manual

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Computer powered off automatically and the Power LED flashes Red two times, once every second, followed by a two second
pause, and the computer beeps two times. (Beeps stop after fifth iteration but LEDs continue flashing.)
Computer powered off automatically and the Power LED flashes red four times and then white two times.
Cause
A fan may be blocked or not turning.
OR
The heat sink is not properly attached to the processor.
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.)
Computer powered off automatically and the Power LED flashes red three times and then white four times.
Cause
Power failure (power supply is overloaded).

Solving hard drive problems

Hard drive error occurs.
Cause
Hard disk has bad sectors or has failed.
Solution
2.
Open the access panel, press the power button, and see if
the processor fan (or other system fan) spins. If the fan does
not spin, make sure the fan cable is plugged onto the system
board header.
3.
If fan a plugged in and not spinning, replace it.
Solution
1.
If equipped with a voltage selector, check that the voltage
selector, located on the rear of the power supply (some
models), is set to the appropriate voltage. Proper voltage
setting depends on your region.
2.
Open the access panel and ensure the power supply cable is
seated into the connector on the system board.
3.
Check if a device is causing the problem by removing ALL
attached devices (such as hard drives or optical drives and
expansion cards). Power on the system. If 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 10, 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 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.
Solving hard drive problems
67

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