Question about HP Pavilion 760n (P6320A) PC Desktop

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HP PAVILION 760n

GREEN LED LIT ON P4B266-LA (Danube) SYSTEM BOARD AND ON HP MINI-ATX POWER SUPPLY. SYSTEM POWERS UP BUT NO HARD DRIVE SPIN UNLESS 80 PIN EIDE CABLE IS DISCONNECTED FROM P4B266-LA (Danube) SYSTEM BOARD. NO VIDEO POST NO VIDEO ERROR WITH TNT2-M64 32MB SDR AGP VIDEO CARD IN OR OUT OF SYSTEM. NO VIDEO FLASH ON MONITOR AND NO SIGNAL GROUND REPORTED TO MONITOR (MONITOR LED STAYS YELLOW). WHAT DO YOU THINK IS WRONG? POWER SUPPLY OR ASUS MAMA BOARD?

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  • THEJOATMON Jan 17, 2008

    As a PC tech with nearly 25 years experience, I have already tried all of these recommendations. All I wanted to know was if the ASUS System Board would beep if there's no AGP video in place or if a more familiar technician thought the prob was with the ASUS motherboard or the proprietary HP ATX mini-power supply......

  • Anonymous Mar 29, 2014

    HP pavilion p6210y. At power up Lights come on, fans come on, sounds like HDD comes on, but monitor says "No Signal". I'm stumped.

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Tell me if there is something i need to know like: what were the things that you've doing with your computer before the problem happened?? are there any recent hardware/software changes?? tell also your OS- is it XP or Vista...
1

first, let's try to check if the problem is with the monitor or not,okey? try unplugging the monitor blue connector at the back of the tower.and make sure that your monitor is turned-on.If you can see a colored bars displayed.you monitor is okey.if not, try a known good monitor...if it woks the problem is with the old monitor.(resolved)

2 (if not)
Now, complelely turn off your computer and try reseating all the cables, and your hardware components such as memory,video card,IDE cable and so on. but before doing so, unplug the power cable and then push the power button to drain the power.after reseating everything, plug back the power cable and turn on computer.try listening to the tower,tell me if you can hear some beeps also.

if no video issue is still there, try putting a known good video card if you have any.if a known good video card works then the problem is with the old one..

if the problem is still there after everything that you've done try calling the manufacturer. this is lead to a motherboard problem but try to call them first.

Posted on Jan 17, 2008

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The green light on the back is flashing, but when I push the power button nothing happens, any ideas what it could be?


The Green LED light flashing indicates a bad Power Supply. Weak voltage power rail.

http://h10025.www1.hp.com/ewfrf/wc/product?product=404643&lc=en&cc=us&dlc=en&submit.y=7&submit.x=7&lang=en&cc=us

Troubleshooting Power Supply Issues HP Pavilion A520n,

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph06788&tmp_task=solveCategory&lc=en&dlc=en&cc=us&site=null&lang=en&key=null&product=404643#N207

Click on > Power Supply light is on or flashes

"If the LED is still flashing (it should not flash with all connectors removed), plug the power cable into a different power outlet that is known to be good. If the LED still flashes, the power supply should be replaced."


Cause?
The leading cause is the computer is dirty inside, to include the Power Supply
The next cause is that Electrolytic Capacitors have failed inside the Power Supply.

Solution is to replace the Power Supply.

The Power Supply used is the ATX form factor. The type of Power Supply used in over 80 percent of PC computers out there, and very readily available.

Size of the power supply case is approximately 6 inches Wide, 5-1/2 inches long (5.5), and 3-1/2 inches Tall. (3.5)

It is a 250, or 300 Watt generic unit, probably made by Bestec, Delta, or HiPro.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00072236&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&lang=en&product=404643

Scroll down to see the illustration and photo of the motherboard.

Power cables needed are;

A) 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

{ ATX power supply's today come with a 20 + 4-pin ATX main power cable.
The power cable can be used as a 20-pin, or a 24-pin.

Add the 4-pin connector to make it a 24-pin, or do not use it, and have a 20-pin }


B) Enough standard 4-pin Peripheral power cables for the IDE (PATA) harddive, {1}, and the optical drive/s.

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

Today's power supply's come with either at least 4, or 6 of these power cables.

C) One Floppy Drive power cable.
Won't be used for a Floppy Disk Drive on your computer. It's power for the Memory Card Reader.

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


All of the above power cables are typical when purchasing an ATX power supply today.
Need guidance in choosing a Power Supply, please state in a Comment.

Regards,
joecoolvette

Nov 30, 2010 | HP Pavilion A520n (DW233A#ABA) PC Desktop

1 Answer

Why is my hp pavilion 523w not working it just makes enough power to make a green light flash


The Green LED light you see flashing indicates you have a bad Power Supply.

Computer unplugged from power, computer on a table, computer case open, observe Anti-Static Precautions.
Clean the inside of the computer out with a can of compressed air for computers, (Or may take two, and a few Q-tips), and replace the Power Supply.

Supporting data:

HP Support > Pavilion 523w desktop computer > Main support page,

http://h10025.www1.hp.com/ewfrf/wc/product?product=90859&lc=en&cc=us&dlc=en&submit.y=9&submit.x=7&lang=en&cc=us

Click on > Solve a problem > Start Up/Shutdown/ Power > Power Management

Click on the + sign to the left of > Power supply light is on or flashes


Replacing a Power Supply,

1) http://www.fonerbooks.com/r_power.htm

2) http://www.videojug.com/film/how-to-install-or-change-my-computers-power-supply

The Power Supply is an ATX form factor. The ATX style of Power Supply is found in over 80 percent of personal computers out there, and is readily available everywhere.

It's a 250 to 300 Watt power supply.
Probably made by Bestec, HiPro, or Delta, or some other generic power supply manufacturer of low quality power supply's.

Has a 20-pin ATX main power cable, and a 4-pin ATX +12 volt power cable.
Plus the usual amount of 4-pin Peripheral power cables, and a Floppy Disk power cable.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=bph07845&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&product=90859&lang=en

Scroll down to the illustration and photo of the Motherboard.

Typical 20-pin ATX main power cable,

http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain20

Typical 4-pin +12 Volt power cable,

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

Nov 15, 2010 | HP Computers & Internet

1 Answer

Hp pavilion a430n power supply is blinking


Look at this photo
(http://www.atxpowersupplies.com/images/300-watt-atx-power-supply-FSP-ATX-300GU-350w.gif)

Did you connect the p4 atx 12vx1 plug?
You may also need to connect the aux x1 plug on some models.

Mar 08, 2010 | HP Pavilion a430n PC Desktop

3 Answers

I have a burned out Bestec ATX-250-12z power supply for a hp pavilion a320n. I need to know if a Dynex® - 400-Watt ATX CPU Power Supply, will work in its place.


yes it should do provided your current psu is not a small mATX one. ATX power supplies are pretty generic. Make sure you get one that has enough connectors to suit your system, having said that, Considering it's an off the shelf PC I would guess most PSU's would have the right number and type of connections.

Jan 10, 2010 | HP Bestec ATX-250-12ZD 250w HP Pavillion...

1 Answer

I have a Bestec atx-300-12az and i need to know which power supply harness to use on a Samsung model#HD103UJ hard drive.Thanks,Tony


Technical Details
  • Samsung Spinpoint HD103UJ 1 Terabyte SATA/300 Hard Drive General Features:
  • 1 Terabyte formatted capacity 7200 RPM spindle speed SATA/300 interface 32 MB buffer
  • 8.9 ms average seek time 4.17 ms average latency 3.5-inch form factor
  • Improved recording stability over temperature with PMR
  • Advanced dynamic FOD control for best data integrity
SATA Power3 Peripheral4 Floppy5 02 +3.3V (Orange)
03 COM (Black)
04 +5V (Red)
05 COM (Black)
06 +5V (Red)
07 COM (Black)
08 PG (Gray)
09 +5VSB (Purple)
10 +12V (White)
11 +12V (White)
12 +3.3V (Orange)
13 +3.3V (Orange)
14 -12V (Blue)
15 COM (Black)
16 PS-ON (Green)
17 COM (Black)
18 COM (Black)
19 COM (Black)
20 Blank
21 +5V (Red)
22 +5V (Red)
23 +5V (Red)
24 COM (Black)', CAPTION, 'Pin Signal (Color)', WIDTH, 150, BGCOLOR, '#000000', FGCOLOR, '#FFFFFF');" onmouseout="return nd();" href="javascript:void(0);">matx24pin.gif
atx12v.gif sata.gif drive.gif floppy.gif This ATX12V power supply is a 300W, five output unit with remote on/off, and UL, CSA, and TUV approvals. RoHS compliant. Original HP part number 5188-2625 used in many Media Center, Pavilion, and Presario computers. Also serves as upgrade for HP/Compaq part numbers 5189-3964, 5188-0131, 5187-5116, 5187-6114, 5188-0129, and 410507-001. Airflow drawn out of case into surroundings by 80mm internal fan. Built-in power status LED above AC inlent. 2 x 12 (24 pin) main board power connector. Includes two daisy chained Serial ATA connectors. Bestec model ATX-300-12Z CDR, also replaces ATX-300-12Z BC, ATX-300-12Z BD, and ATX-300-12Z CC. i trust this helps

Jul 15, 2009 | HP ATX-300-12Z (ATX30012ZBD) 300-Watt...

1 Answer

Power turns on then immediately off


The case shouldn't have anything to do with power getting to the motherboard. Though there should be a switch on the power supply to increase or decrease the voltage move the switch to the other position and see if the machine stays on.

Apr 26, 2009 | HP Pavilion a1630n PC Desktop

1 Answer

PC not booting


the mother board can have a short and the green light is on, replace the motherboard. when the power box goes bad, most of the time it shorts the mother board out, this has happened to me a few times. Farren

Dec 25, 2007 | HP Bestec ATX-250-12ZD 250w HP Pavillion...

1 Answer

Upgrade my computer procesor


Socket type: mPGA478 (P4).
P4 – 1.4-3.4 GHz
P4 EE 3.2-3.4 GHz
MOTHERBOARD MANUAL: http://www.elhvb.com/mboards/OEM/HP/manual/danube_manual.pdf
It shows you how to take off and put in the CPU.
This is a guide on how to install the CPU/with FAN.
http://www.pctechguide.com/tutorials/Pentium4_CPU.htm

Nov 11, 2007 | ASUS P4B266 Motherboard

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