HP EliteDesk 800 G6 Maintenance and Service Guide - Page 70

Solving hard drive problems, Hard drive error occurs, Disk transaction problem

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Cause Power failure (power supply is overloaded). Solution 1. If the computer has 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 be sure that the power supply cable is seated into the connector on the system board. 3. Check whether a device is causing the problem by removing all attached devices (such as hard drives or optical drives and expansion cards). Turn 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. 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. Cause Hard disk has bad sectors or has failed. Solution 1. 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 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. Disk transaction problem Use this information to troubleshoot the computer. Cause Solution Either the directory structure is bad or there is a problem with a file. 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 a drive, select Properties, and then select the Tools tab. Under Error checking, select Check. Drive not found (identified) Use this information to troubleshoot the computer. 60 Chapter 5 Troubleshooting without diagnostics

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Cause
Solution
Power failure (power supply is overloaded).
1.
If the computer has 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 be sure that the power supply
cable is seated into the connector on the system board.
3.
Check whether a device is causing the problem by removing
all attached devices (such as hard drives or optical drives
and expansion cards). Turn 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.
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.
Cause
Solution
Hard disk has bad sectors or has failed.
1.
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 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.
Disk transaction problem
Use this information to troubleshoot the computer.
Cause
Solution
Either the directory structure is bad or there is a problem with a
file.
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 a drive, select
Properties
, and
then select the
Tools
tab. Under
Error checking
, select
Check
.
Drive not found
(identified)
Use this information to troubleshoot the computer.
60
Chapter 5
Troubleshooting without diagnostics