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Hi, I have a pavilion 516x desktop, it seems my power supply gone bad, no light anywhere and fan don't work, now I got a new power supply and with a higher watts, so now it has an amber light lit on, in the front of on / off button, pressed power button **** will not turn on, and also the fan working on the new power supply, can someone help, thank you!

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Are you sure you have connected all cables to the power suppy, or then your motherboard has crashed. hope this helps

Posted on Mar 26, 2011

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Acer Veriton 6900 Desktop says no signal and the screen turns off. The towers power light stays on but the fan isn't running.


Hello,

Change the power supply and restart your pc. This will happen when the power supply has gone bad. It sends power to low voltage items but not the needed voltage to power the system on.

Good Luck
C2Solutions

Feb 14, 2012 | Acer Veriton 6900 PC Desktop

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Hp Pavilion a1620n seems completely dead. Went through a diagnostic and presumed the ps was burnt out. Have since seen the ps light on while all internal cables are unplugged. Can plug all cables in and ps...


No, it indicates a bad power supply.

1) ALL the lights use less than 1 Watt
2) EACH fan uses 2 to 3 Watts

3) A typical processor uses 55 to 125 WATTS.

The base model of the HP Pavilion a1620n Desktop PC, comes with an Intel Pentium D 925
(Operates at a maximum of 3.0GHz)

The Intel Pentium D 925 uses 95 Watts,

http://en.wikipedia.org/wiki/List_of_Intel_Pentium_D_microprocessors#.22Presler.22_.28dual_core.2C_65_nm.29

In most cases the inside of the computer is dirty, as well as the inside of the Power Supply, and it's fan.

Heat = Wasted Energy
When the Heatsinks inside a power supply, and it's Fan, (To include the fan blades, fan center hub, and surrounding fan cage), become clogged with gunk, the cooling capacity of the power supply drops tremendously.

Since Heat = Wasted Energy the power supply tries to keep up with the power load demands.
Eventually components inside the power supply fail.

(Usually the Electrolytic Capacitors are the first to go)

The power supply inside a Pavilion a1620n is a common SMPS. Switched Mode Power Supply.

http://en.wikipedia.org/wiki/Switched_mode_power_supply

The style is the common ATX, that is used in over 90 percent of desktop computers. (ATX 12V)

The Wattage is 300 Watts.

Should you like help in finding a replacement power supply that is affordable, and reliable, just state so in an additional comment.

I do advise staying away from the cheap generic models, as they can fail in 6 days to 6 months. ($20 to $25 range)

Jan 18, 2010 | HP Pavilion a1620n (882780664494) PC...

1 Answer

Hp Pavilion 763n won't startup light on fan on cpu not running


The most common issue is a portion of the power supply has gone bad (power supplies provide +5, +12, -5, and -12 vdc). Otherwise, the motherboard may need replacing. Try finding a spare power supply from a friend and hook it up to see if everything runs fine before purchasing one (about $40-50). If the power supply doesn't fix it, it could be the CPU (although I believe the CPU fan would still run) or any portion of the motherboard.

Dec 18, 2009 | HP Pavilion 763n PC Desktop

3 Answers

Hi, I have an HP Pavilion and I am unable to switch it on


Is there a flashing light on the back? This sounds like the PC power supply has gone bad, either test with a similar PS or purchase a new one.

Sep 19, 2009 | HP Pavilion a620n (PC028A) PC Desktop

2 Answers

I have a hp pavilion 513c it wont boot up! the


Hello,

There are only two ways this can go for you.

One- you need a new power supply

OR

Two, you need a new mother board

You can verify the power supply by checking it on another machine

If the power suppy is good

And you do not hear the bios beep- then you are looking at a new motherboard- I would double check the powersupply first- most stores that sell them will let you check before you buy a new powersupply.

Mar 26, 2009 | HP Pavilion 513c PC Desktop

3 Answers

Starts up then looses all power


It is almost always one of two things:

The power supply is going bad, or one of the internal fans are going bad. If the power supply goes bad there isn't enough electricity to keep the machine running. If the processor fan goes bad there is usualy a thermal protect switch that will stop the machine from starting.

Open the cover and try to turn on the machine. If all fans appear to spin I would bet the power supply. You can usualy purchase them for around $40

Mar 21, 2009 | HP Pavilion 762c (P8628A#ABA) PC Desktop

2 Answers

My hp pc seems to try to start on but then it shuts down immedia.


Hi there.
If its the CPU (processor fan) thats not working, it could well be the machine overheating and shutting down to prevent further damage to the machine, try another fan, if it spins up the CPU fan has gone and will need to be replaced.
If you have a working fan but it doesn't work on the motherboard, check the power supply unit as that could be faulty.

Good luck and thanks for using FixYa!!

Mar 18, 2009 | HP Pavilion 513n (P9850A#ABA) PC Desktop

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