Which part on an HP Compaq dx7400 Business Desktop PC requires the least technical ability to
replace?

You are servicing an HP Pro 2000 Business Desktop PC when you see the power LED indicator flash
red and beep five times (once per second) followed by a two-second pause. Which condition does
this indicate?

The Power LED indicator on an HP Pro 3005 Microtower is flashing red, and beeps a sound eight
times, once per second, followed by a two-second pause. What does this indicate?

An HP Compaq dc5850 Microtower PC has a total of 4GB RAM installed, but the operating system
only sees 3GB. What is the probable cause?

You are troubleshooting a problem with an HP Compaq dc5800 Business Desktop PC when you see
the power LED blink red seven times (once per second) followed by a two-second pause.
Which issue does this indicate?

A user reports that an HP Compaq dx7500 Business Desktop PC seems locked up and will not power
off, even when the power button is pressed. What is the probable cause?

What is the proper order for tightening the four screws on the heatsink of an HP Compaq dx7400
Business Desktop PC?

During POST operations on an HP Compaq dx7500 Business Desktop PC, you hear one short beep
and one long beep followed by a three-second pause. Which component has failed?

You serviced an HP rp5700 Point of Sale System, but when you powered it back on, the power LED
turned red and remained that way. What is the cause?

What is the correct way to handle the processor in an HP desktop PC during removal?