Question about HP Pavilion a305w (DM181AR) PC Desktop

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HP a305w ok with the CPU replacing. Will that fix it or due to the bad capictor cause other components to go bad?He said the voltage change could mess up other sensitive componets.

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  • fred_marlin1 Sep 29, 2009

    ok. My computer has a bad capictor on the motherboard. It's leaking something. My friend said it would be hard to replace since it has to connect with 6 boards at once. It's not loading some programs that it needs. So he says to replace the whole mother board. I am using a loaner he had right now. Not very good either. Slow processor.

  • lassassos May 11, 2010

    please mentation the detail thanks



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I am comming into the middel of this.
But if you have a Bad Cap on the motherboard, eiather blown or crowned, forget replacing the CPU.
Eiather replace the cap or the motherboard.
You will be just waisting money on replacing the CPU.
P.S. if you have 1 bad cap on the board, you have atleast 2 or 3 others that should be changed as well.
Most of the caps on the board somewhat run in series.
Good luck.

Posted on Oct 01, 2009

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If you are changing the Power Supply, the voltage change will not mess up things, but it should be compatible with your motherboard (AT/ATX).


Posted on Oct 10, 2009


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My girlfriends Hp Pavilion A305W powers on then automatically powers off after it show a brief error message but also says F1 for startup. Should i press F1 and continue diagnosis?

Most probably your system is not getting your BIOS settings from your mainboard due to CMOS battery failure.

Check your CMOS 3.0v battery & replace it. Then reconfigure your BIOS settings from the CMOS setup.

Hope it helps

May 28, 2011 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

My HP 8710W shuts down when overheated. Usually when playing games. To overcome this, sometimes I let the part of the laptop where the power supply input is located, to stand out of my desk, so that it...

I had similar problem on my HP 8710p and eventually fixed it. Here is how.
First I had a normal overheat situations twice due to clogged dirty fan vents over a period of 4 years. You notice this when the vent cooling fan stays on most of the time, unlike when it was new, even while idling, and of coarse one is reluctant to break open new a PC. After eventually cleaning the fans the problem was resolved but the PC was actually operating at slightly higher average temperatures as the cooling fan would switch on more often that it did when it was new. This is so suttle it did not concern me at the time me until eventually after 18 months, a mere boot would send the cooling fan into frenzy of cooling mode and usually switch the PC off before a full boot could be achieved.(and yes my cooling fins were spotless as I cleaned these once a month at this point).
System reboots were a nightmare as I would have to wait for 30 mins for the CPU to cool down. Eventually I lifted my keyboard on the left side and slipped a small 5 volt fan onto the processor. The fan was powered by a USB port. This worked great but directly cooling the CPU also meant directly depositing dust directly onto the inside of your PC which had to be cleaned with compressed air at least once a week. That was besides the fact that I had to contend with a lop-sided keyboard because of the fan height.
After a year of this I finally I decided to rather try replacing my CPU as I had run out of options. While searching eBay I discovered that CPU cooling apparatus'us were sold in conjunction with CPU's so I decided to buy the cooling apparatus first as a replacement CPU was pricey, especially for an older PC. Skeptical about about my decision, I replaced the CPU cooling apparatus.
To my amazement the problem was solved. Where before I could not even touch the copper tubing near my CPU with my bare finger, now it was cool, probably no more than 30 C and booting was silent. Needing to be sure of this, I replaced the previous cooler and the problem returned, the CPU cooling apparatus copper evaporated spit near the CPU and miraculously cooled down to a room temperature on the fin end.
This was difficult to understand because copper is a very good conductor of heat and here clearly was a situation where the one end of the copper tubing was hot enough to boil spit and the other was at room temperature.

So what can cause this? I am not sure exactly but its not mentioned any where on the Internet as a fix, Not even by HP themselves.
I suspect initial over heating may have messed with the internal climate system in the copper tubing to the extent that the coolant dissipated, probably due to high pressure. The faulty cooling apparatus did not demonstrate any signs of ware and tare, actually the replacement cooling apparatus looked worse than mine as the copper had lost its sheen. I also examined the faulty apparatus from close up for any possible cracks and holes and found nothing visibly wrong. All I had to go on is that the replacement worked and mine did not.
My CPU now peaks at around 50 C when number crunching and the cooling fan is seldom activated. The copper tubing is warm, but not hot, right up to the area where the CPU is located. My system runs so quiet now it has a feeling of newness about it. That raises another question, modern PC's have normally have self preservation software coded into their BIOS that prevents or slows down the CPU clock speeds when over heated or running on battery. The battery part is to conserve power but the heating part is to not do irreparable damage to the CPU. This feature is usually referred to as "dynamic clocking". A hot CPU will run at the slowest possible speed it can function at, (beyond this it will be shut down) at a time when you are trying to crank every bit performance out of it. So it goes without saying my PC now runs faster and appears to be more responsive, just like the day I bought it.
While this occurred to my HP 8710P, I know the problem occurs to many aging laptops that can by fixed the same way. Currently there are many alternative external CPU coolers being sold to solve this problem(and I have seen many and the ones I purchased I have returned). I believe that Trojans and viruses are not always responsible for sluggish PC's. Until you address the real issue, your problem will continue. Consider the above as an option.
My PC was headed for the trash heap. (I am a developer, not a gamer) but now it will stay. Its reliable, trustworthy and never had a problem besides the cooling issue.

May 24, 2011 | HP 8710w Mobile Workstation - Intel...

1 Answer

Hp a305w will not turn on.

Remove the side-panel.
Press the POWER button.
Does the fan inside the power-supply start to spin?
Does the fan on top of the CPU start to spin?
Is there any lamp on the motherboard that lights up?
Is there any noise (from disk-drive, floppy-drive, CD-drive) ?

If not, take your computer to a computer store, and get them to replace the power-supply. Hint: the smaller the computer-store, the more-likely that they will install for FREE, if you BUY from them.

Aug 09, 2010 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

Have an hp a305w pavillion powers up but nothing on the screen, tried f10 an nothing happened. Its as if the monitor isn't receiving a signal.

Disconnect all cables, remove all cards and memory. Reinstall one stick of ram, power cord, video cable and keyboard. If that works reinstall other components one at a time. I found a hp a1600n at the dump. Brought it home, had same problem, tried this. A memory stick was loose. Resetting it fixed it. I am typing on it now. You might try the memory first. A chip could have gone bad.Are you using the board video or a video card?

Jul 17, 2010 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

Friend said the capicitor went bad and they are

Could be true, but often it is cheeper and better to replace cpu. Otherwise you still have an older computer, that got repaired.

Sep 25, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

HP A305W Screen Res


Removed your added ram. Test if the unit will run to your expectation. Then test just your new ram with the unit if it will run, if not your new ram is incompatible. It also could be old ram has dirty contact clean it using soft eraser.

Mar 26, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

HP a305w Won't Boot Up With New Ram

That should support the two 512s you installed. Try each stick one at a time to verify you don't have a bad stick.

Mar 18, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

I have a hp a305w. Last night it worked fine, today nothing.

Most propably it is the RAM that is making troubles. Before doing anything - first change the RAM.

Feb 15, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

1 Answer

How to change the prosessor in my desk top

this is the guide to replace the cpu

it appears there were two different motherboards used in that computer so you need to open the case and read the model number....

not all cpu's will work... you need the motherboard manual to see if the p4 cpu is compatable


Jan 27, 2009 | HP Pavilion a305w (DM181AR) PC Desktop

2 Answers

Cpu or motherboard

laptops are not the same as desktop PC that you can easily swap parts to be able to determine which one is causing problem. i suggest that you refer to your product manufacturer service to determine which is causing trouble if other companies are giving you different opinions

Apr 02, 2008 | HP Pavilion dv6000z Notebook

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