Bad Power Supply.
Weak Voltage power rail.
The Pavilion a6000n desktop computer uses an ATX style of power supply, and is rated at 300 Watts.
(Probably made by Delta Electronics)
The ATX style of Power Supply is used in over 85 percent of PC's. Very common unit.
[Case size is approximately 6 inches Long, 6 inches Wide, and 3-1/2 inches Tall ]
What you are looking for is an ATX power supply with at Least 300 Watts, and the correct power cables.
Note that a computer only uses the power it needs, and No more.
Wouldn't matter if you had a 10,000 Watt Power Supply, (Exaggeration), and the computer only needed 100 Watts, it will only use 100 Watts.
(Surfing the internet typically uses 100 Watts.
Computer. Monitor uses it's own power, and is separate from this figure)
This is HP Support > Pavilion a6000n desktop computer > Specifications,
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00873231&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&product=3377269&lang=en
This is HP Support > Pavilion a6000 desktop computer > Motherboard Specifications,
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c00906129&tmp_task=prodinfoCategory&lc=en&dlc=en&cc=us&product=3377269&lang=en
1) Scrolling down the page, and looking at the photo of the motherboard, you can tell the Power Supply must have a 24-pin ATX main power cable.
To the right of the Blue, and Black ram memory slots is the 24-pin ATX main power cable connector, on the motherboard.
It is White in color, and consists of 2 rows of 12 socket holes.
24 total.
On the illustration it is marked as - ATXPOWER.
This is a closer look at a typical 24-pin ATX main power cable, and it's respective connector,
http://www.playtool.com/pages/psuconnectors/connectors.html#atxmain24
Note the Lock on the side of the connector. The Lock is hinged in the middle, (Plastic), and operates like a see-saw on a playground.
Squeeze the top of the Lock in to remove the 24-pin ATX main power cable.
ONLY gently pull up on the connector, and NOT the wires.
[This action brings the hooked end of the Lock away from a 'Bump', or protrusion, that is present on the female connector, on the motherboard ]
2) The Power Supply must also have a 4-pin ATX +12 Volt power cable.
On the illustration where it states Socket AM2 is the Processor socket.
To the left, and down a little of the Processor socket, is a blank square.
The writing under it is illegible.
This is where the 4-pin ATX +12 Volt power cable plugs in.
On the motherboard photo it is to the left of the white Processor socket, and is square in shape, with four socket holes.
This is a better look at a 4-pin ATX +12 Volt power cable, and it's respective connector,
http://www.playtool.com/pages/psuconnectors/connectors.html#atx12v4
Color of the plastic used in the connectors, does not matter.
3) Looking at the Specifications page, you will see that the Power Supply must have at least 1 SATA power cable.
It's used for the 250GB SATA harddrive.
Closer look at a SATA power cable, and it's respective connector,
http://www.playtool.com/pages/psuconnectors/connectors.html#sata
NOTE*
If the SATA harddrive in your computer has a place for a SATA power cable, and a 4-pin Peripheral power cable, ONLY use the SATA power cable.
DO NOT use both.
4) Again looking at the Specifications page, the Power Supply must have at least two, 4-pin Peripheral power cables.
Used for the optical drives.
(DVD drives)
A closer look at a 4-pin Peripheral power cable, and it's respective connector,
http://www.playtool.com/pages/psuconnectors/connectors.html#peripheral
There may be more 4-pin Peripheral power cables needed, to run any computer case fans.
[The Processor fan plugs into the motherboard ]
An example of an ATX power supply that is 500 Watt rated, and has the correct amount of power cables, plus the correct type of power cables,
http://www.tigerdirect.com/applications/SearchTools/item-details.asp?EdpNo=3255392&sku=ULT-LS500
For the Plantronics Pulsar 590 & 590A & the Universal Adapter:
Begin with the headset turned off. Press and hold the call control
button. Power the headset on and when the indicator light flashes red
and blue, release the call control button. Turn the Universal Adapter
on. Press and hold the adapter pairing/connect button for 7-10
seconds. When adapter starts flashing red and blue release the
buttons. The headset and adapter will flash blue when paired
successfully.
Plantronics Pulsar 260
Start with the headset powered on. Press and hold down
the call control button while also rotating the multi function dial
upward (away from the light) until the indicator light on the headset
starts flashing red then green. When prompted for passkey, enter
0000.
For the Plantronics M1000 (discontinued):
Hit and hold the volume/mute switch in until the indication light starts blinking.
For the Plantronics M1500 & A500 adapter
(discontinued): Turn the headset on and the adapter off. On the headset
push in and hold the mute/volume dial until the indicator light begins
to flash. On the adapter press and hold the blue power button for 10
seconds. The light on the adapter will flash once after 3 seconds-
continue to hold the power button for another-7 seconds until the
light flashes red. If the pairing is successful, the headset will
sound a tone and both the headset and adapter lights will turn off.
For both the Plantronics M1000/M1500 (discontinued):
If you remove the battery cover from the headset and then remove the
battery itself. On the Green PC board itself there will be a letter
followed by 4 numbers. These 4 numbers are your personal PIN code.
You can also use the Plantronics Bluetooth Pairing Guide
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