power

Symptom

Problem

Solution

 

 

 

PC will not turn on

PC is not securely connected

Ensure that cables connecting the PC to the external power

and/or start.

to an external power source.

source are plugged in properly.

 

Monitor is not connected or

Connect the monitor to the PC, plug it in, and turn it on.

 

is not on.

 

 

 

 

 

Line voltage selection switch

Set the line voltage selection switch to the correct setting for

 

is not in the proper position

your country/region, or refer to the Warranty & Support

 

for your country/region

Guide to contact Support.

 

(115V/230V).

 

 

Wall outlet is defective.

Test the outlet by connecting a different electrical device to

 

 

the outlet.

 

 

 

 

Wrong memory modules

Reinstall the old memory to return your PC to its original

 

were used in an upgrade, or

state. Refer to upgrading and servicing the pcfor

 

memory modules were

instructions.

 

installed in the wrong

 

 

location.

 

 

 

 

 

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.

 

 

 

 

After an upgrade or repair,

Reseat drive power, data, and power supply cables. See

 

the drive power, data, or

the upgrading and servicing the pcfor instructions.

 

power supply cables may

 

 

not be properly connected.

 

 

 

 

PC appears locked up and

PC is not working.

Press and hold the On button until the PC turns off.

won’t turn off when the On

 

 

button is pressed.

 

 

 

 

 

PC powered off

The unit temperature was

Unit is in an exceedingly hot environment. Let it cool down.

automatically.

exceeded.

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

Replace cover or access panel, and let the PC cool down

 

exceeded because the PC

before attempting to turn on power to the PC.

 

was functioning with the

 

 

cover or access panel

 

 

removed.

 

 

 

 

 

Processor or system fan has

Refer to the Warranty & Support Guide to contact Support

 

failed.

for replacement details. Note that your PC may not have an

 

 

internal fan.

 

 

 

troubleshooting 83

Page 91
Image 91
HP a300n, a307x manual Power

a307x, a300n specifications

The HP A302x, A300n, M400y (D7222P), M490n, and A307x series represents a diverse range of printing solutions tailored to meet the demands of various users, from small businesses to larger enterprises. These models showcase HP's commitment to innovative technology, quality output, and cost efficiency.

The HP A302x is designed for high-volume printing, offering fast print speeds and high-capacity toner options that reduce the frequency of cartridge replacements. It features HP's Precision Laser Technology, which ensures sharp text and vibrant images, making it an ideal choice for business reports and marketing materials. The model is equipped with wireless connectivity, allowing users to print from smartphones and tablets easily, enhancing overall convenience.

The A300n model is a versatile all-in-one printer that combines printing, scanning, copying, and faxing capabilities into one device. Its user-friendly interface and compact design make it perfect for a limited office space. The A300n supports mobile printing through HP’s Smart App, allowing users to easily manage printing tasks on the go. It also includes energy-efficient features like automatic duplex printing, which helps to save both paper and energy.

The M400y, identified by the model number D7222P, is engineered for efficiency and high-quality output. Its advanced security features protect sensitive data during printing, making it a suitable option for industries that prioritize confidentiality. The M400y offers reliable performance with a user-friendly control panel and customizable settings, enabling businesses to tailor their printing preferences for maximum productivity.

The M490n model excels at delivering outstanding print quality with minimal maintenance. Its robust design is coupled with a high print resolution capability that ensures every detail is captured with precision, whether printing professional documents or marketing visuals. The model also features fast processing speeds that cater to busy work environments where time is crucial.

Lastly, the A307x is another innovative addition to HP’s lineup, focusing on a seamless user experience. This printer is designed to integrate effortlessly into existing workflows, providing compatibility with a range of operating systems and devices. With features like an intuitive touchscreen interface and customizable print settings, the A307x ensures that users can easily navigate its functionalities and achieve optimal results.

Together, these HP models offer a comprehensive suite of features that cater to various printing needs, emphasizing quality, reliability, and user-friendly technology. Whether for small offices or large enterprises, the A302x, A300n, M400y (D7222P), M490n, and A307x are crafted to enhance productivity and deliver exceptional print results.