Finding Help & Support

Power (Continued)

Symptom

Problem

Solution

Computer will not turn on and/or start.

(Continued)

Wrong memory modules were used in the upgrade, or memory modules were installed in the wrong location.

Reinstall the old memory to return your computer to its original state. Refer to “Upgrading or Replacing Memory” on page 8–17 for instructions.

 

Hard drive is damaged.

Refer to the Warranty and Support Guide for details.

 

 

 

 

Drive power, data, or

Reseat drive power, data, and power supply cables.

 

power supply cables may

See Chapter 8, “Upgrading the Computer” for

 

not be properly connected.

instructions.

 

 

 

Computer appears locked

Software control of the

Press and hold the Power button for at least 4 seconds

up and won’t turn off when

power switch is not

until the computer turns off.

the power button is pressed.

functional.

 

 

 

 

Getting Started

7–29

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HP 6450NX, 6430NX, 6420NX, 6404US, 6401RSH, 6415CL, 6400NX, 6433US, 6435CL, 8000T-P8654M, 6485CL, 6475CL, 6470NX manual Power

6475CL, 6450NX, 6435CL, 6401RSH, 6485CL specifications

The HP 6470NX, 8000T-P8654M, 6400NX, 6420NX, and 6430NX are part of HP's diverse lineup of desktops designed for various uses, from home computing to business applications. These models offer a range of features, technologies, and characteristics suited to meet the needs of different users.

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Overall, these HP models cater to diverse needs, offering a range of features and technologies that ensure reliability, performance, and efficiency across various computing tasks. Whether for home use, small business applications, or intensive computing, HP provides solutions aligned with user requirements.