Question about HP Pavilion A720N PC Desktop

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Internal schematics to connect the port p2 and p3

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  • M Norwood May 11, 2010

    Which motherboard, ports etc. Can you show us the wiring schematics?

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Hi.. for any assistance on the internal parts of HP computers.. visit the following website.. www.techport.info it will prompt u for user name and password.. ID = mygoal Pass = 2help
select model on top and enter the model no of ur computer.. once in.. select CHASSIS.. and there u have the answer to all ur questions about the internal components of ur computer :-P regards, Guru

Posted on May 05, 2010

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Problem with COMPAQ DC5850 SFF ATH/5000 2GB80GB COMBO WVXP PC Desktop hp compaq dc5850 pc won't turn on after plugging in old hard drive for transfer Posted by Author imageGuest on 1/4/2013


The h3ll you say.

(Kidding around)

Let me see if I understand this straight;

You unplugged THE harddrive to your computer..............

Then you plugged an old harddrive in, and expected to be able to use it.

Expected to because you've done it in the past.

Really

Curious;
1) Was it an old harddrive you had in the computer, removed it; and had a larger one installed?

2) Is it one that you have had in another computer?

Here's what I know, and why I'm asking;

When Windows is installed on a computer it assigns hash values, to certain major hardware components.
For example;

A) Processor
B) Motherboard: To include the motherboard chipset, and BIOS program. (To include version and date)
C) Harddrive
D) Graphics chipset

Change any two of these hardware components, and Windows will think it is being stolen. Put on another computer.

Microsoft User's License states, "One GENUINE copy of Windows per ONE computer"

(Microsoft makes one Master disk, and from it all GENUINE copies are made, and sold to the consumer)

Now if you stated you installed the old harddrive as a Slave drive; then I could understand.

P2 connector?
That is a Power Supply power cable.

According to specifications the Harddrive is a SATA unit.

http://h10010.www1.hp.com/wwpc/ca/en/sm/WF06b/12454-12454-64287-3328896-3328896-3658105-3687950.html?dnr=1

Internal Drives - Hard disk controller -SATA 3.0Gb/s NCQ SMART IV

The power cable to it is a SATA power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#sata

Probably what your P2, and P3 power cables are.


http://www.ebay.com/itm/HP-DC5850-SFF-Motherboard-SPS-461537-001-/310417711958?pt=Motherboards&hash=item4846566356

P1 will be a 24-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24

P4 cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4

P5 cable, MAYBE, (Might be P3 too)

http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral

And P6 power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#floppy

This type of power cable is also used on a Card Reader.

To conclude;

A) SATA harddrive has to have a SATA power cable, and SATA data cable.

The SATA power cable's connector is wider, than the SATA data cable's connector.
15-pins for the SATA power cable connector; 7-pins for the SATA data cable's connector,

http://en.wikipedia.org/wiki/File:SATA_ports.jpg

The above is a general example of a SATA data cable, and it's respective connector on the motherboard.

Your SATA data cable connectors on the motherboard, are of a different style than the above.

You have Four SATA connectors on the motherboard;
1) Light Blue
2) Orange
3) Dark Blue
4) White

Regards,
joecoolvette

Jan 04, 2013 | HP COMPAQ DC5850 SFF ATH/5000 2GB80GB...

Tip

How to use a P3 power supply with a P4 or newer motherboard.


Well its fairly simple, You need the following cable to convert your P3 power supply into P4 power supply.


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The pictures pretty much explain every thing, this is the only plug that is not present on a P3 power supply. You can make this cable your self by salvaging connectors from non-working power supplies and other computer peripherals. The connections are straight forward just connect both the yellow wires to the single yellow wire and the black wires to the black wires and your done.

on Feb 09, 2010 | Computers & Internet

1 Answer

Wen i start my pc then my motherboard dnt wana show video on my scren.hw can i fix this problem on my motherboard.and here on my motherboard is a P9 plug in but my power supply dnt have that plug is it...


P1, P2, P3.... are just spare power connections from the power supply. Some units are not even labeled, because it does not matter which one you use as long as they fit. If this is what you are referring to.

Nov 30, 2012 | Computers & Internet

1 Answer

Cannot connect via Remote Desktop Connection


due to the open ended nature of the question ... I am assuming you wish to connect to you rpc from another pc using RDP (Remote Desktop Protocol) or commonly known as remote desktop.

if connecting on internal network without any firewalls, start RDP and connect via name or ip address to the other computer. Follow the steps highlighted HERE and you can't go wrong for windows 7.
If external ... please note ... ports 3389 should be enabled on your firewall router. As there are plenty of routers/modems on the market, it will be too numerous to mention here, however, it is commonly noted as NAT'ing or Port forwarding to enabled ports 3389 and redirect the link to you local machine on the internal side of the network. from an external network ... just connect to it's public ip address and you shoul dbe able to connect to your internal machine via rdp. good luck ...

Sep 28, 2010 | Computers & Internet

1 Answer

HP Compaq 5311SR Desktop with XP. I changed the


THERE IS ONLY TOW WAYS TO TIE A POWER SUPPLY TO THE MOTHER BOARD BOTH ARE PLUG
INS TO THE BOARD

Jan 06, 2010 | Computers & Internet

1 Answer

My cd dvd player stopped working? pc says working fine?


try switching the power cable attached to the cd / dvd player..it will have a code on (P1, P2, P3...) swap it with 1 that is not in use...change ribbon cable dats attached from the cd/dvd palyer to motherboard...do not place your hand on the motherboard. if these dont work buy a new cd / dvd player...

Dec 08, 2009 | Gateway Computers & Internet

1 Answer

What do the wires iside a desktop p4 p3 p8 p2 and p5 do


I'm assuming you mean where the power plugs into the motherboard. The big rectangular plug that plugs into the board.

Sep 27, 2009 | Computers & Internet

1 Answer

Need instructions


see if they have a web site. most makers have downloadable manuals.

May 01, 2009 | Computers & Internet

1 Answer

Pc will not power on .Press main power button on the front of the server,all fans work and front Disk LED glows yellow. Power LED at rear glows green but LED on the front(light bulb symbol) not lit....


Open the case and check the connection between the case power button and the motherboard. unplug that connection and short out the pins on the mb. The computer should start up. If it doesn't, there is something wrong with the mobo. If it does, there is something wrong with the switch, or the connector wasn't tight.

Sep 06, 2008 | Compaq Computers & Internet

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