HP Pavilion a400 HP Pavilion Desktop PCs - (English) Users Guide 5990-6416 - Page 94

power, miscellaneous

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power Symptom PC will not turn on and/or start. PC appears locked up and won't turn off when the On button is pressed. PC powered off automatically. Problem PC is not securely connected to an external power source. Monitor is not connected or is not on. Line voltage selection switch is not in the proper position for your country/region (115V/230V). Wall outlet is defective. Wrong memory modules were used in an upgrade, or memory modules were installed in the wrong location. Hard disk drive is damaged. After an upgrade or repair, the drive power, data, or power supply cables may not be properly connected. PC is not working. The unit temperature was exceeded. The unit temperature was exceeded because the PC was functioning with the cover or access panel removed. Processor or system fan has failed. Solution Ensure that cables connecting the PC to the external power source are plugged in properly. Connect the monitor to the PC, plug it in, and turn it on. Set the line voltage selection switch to the correct setting for your country/region, or refer to the Warranty & Support Guide to contact Support. Test the outlet by connecting a different electrical device to the outlet. Reinstall the old memory to return your PC to its original state. Refer to "upgrading and servicing the pc" for instructions. Press the Help ? button on the keyboard to open the Help & Support Center, or refer to the Warranty & Support Guide to contact Support for replacement details. Reseat drive power, data, and power supply cables. See the "upgrading and servicing the pc" for instructions. Press and hold the On button until the PC turns off. Unit is in an exceedingly hot environment. Let it cool down. Ensure PC air vents are not blocked and internal fan is running. Note that your PC may not have an internal fan. Replace cover or access panel, and let the PC cool down before attempting to turn on power to the PC. Refer to the Warranty & Support Guide to contact Support for replacement details. Note that your PC may not have an internal fan. miscellaneous Symptom Problem PC date and time display is incorrect. RTC (real-time clock) battery may need to be replaced. Battery life is approximately 3-5 years. Printer has problems. Printer will not print correctly or at all. Solution First, reset the date and time in your operating system by using the Control Panel. If the problem persists, replace the battery. See the "upgrading and servicing the pc" for instructions, or refer to the Warranty & Support Guide to contact Support for replacement details. If you encounter printer problems, refer to the documentation that came with your printer. 86 user's guide

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86
user’s guide
power
Symptom
Problem
Solution
PC is not securely connected to an
external power source.
Ensure that cables connecting the PC to the external power
source are plugged in properly.
Monitor is not connected or is not on.
Connect the monitor to the PC, plug it in, and turn it on.
Line voltage selection switch is not in the
proper position for your country/region
(115V/230V).
Set the line voltage selection switch to the correct setting for
your country/region, or refer to the
Warranty & Support
Guide
to contact Support.
Wall outlet is defective.
Test the outlet by connecting a different electrical device to
the outlet.
Wrong memory modules were used in
an upgrade, or memory modules were
installed in the wrong location.
Reinstall the old memory to return your PC to its original
state. Refer to
”
upgrading and servicing the pc
”
for
instructions.
Hard disk drive is damaged.
Press the Help
?
button on the keyboard to open the Help &
Support Center, or refer to the
Warranty & Support Guide
to contact Support for replacement details.
PC will not turn
on and/or start.
After an upgrade or repair, the drive
power, data, or power supply cables
may not be properly connected.
Reseat drive power, data, and power supply cables. See
the
”
upgrading and servicing the pc
”
for instructions.
PC appears
locked up and
won’t turn off
when the On
button is
pressed.
PC is not working.
Press and hold the On button until the PC turns off.
The unit temperature was exceeded.
Unit is in an exceedingly hot environment. Let it cool down.
Ensure PC air vents are not blocked and internal fan is
running. Note that your PC may not have an internal fan.
The unit temperature was exceeded
because the PC was functioning with the
cover or access panel removed.
Replace cover or access panel, and let the PC cool down
before attempting to turn on power to the PC.
PC powered off
automatically.
Processor or system fan has failed.
Refer to the
Warranty & Support Guide
to contact Support
for replacement details. Note that your PC may not have an
internal fan.
miscellaneous
Symptom
Problem
Solution
PC date and
time display is
incorrect.
RTC (real-time clock) battery may need
to be replaced. Battery life is
approximately 3–5 years.
First, reset the date and time in your operating system by
using the Control Panel. If the problem persists, replace the
battery. See the
”
upgrading and servicing the pc
”
for
instructions, or refer to the
Warranty & Support Guide
to
contact Support for replacement details.
Printer has
problems.
Printer will not print correctly or at all.
If you encounter printer problems, refer to the
documentation that came with your printer.