Pc no start.........

Hp pavilion windows 2000/me operating sys..... led on pwr sply comes on,,but when front panel sw pushed....it goes out.......sys was wrk'in........win 2000 screen came on,,,,,,,,rptd software problem,,,,wouldn't load...............then nothing ,on next attmpt to start......just led on pwr supply.....front panel led "flashed' when button pushed........unit is "2003" hp pavilion 7935

noel barker Apr 25, 2007

thank u for replying,,,,I ck'd voltage(standby0 was 5 volts.....however i will ck "caps'.......tnx agn!!!!!!

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254 Answers

You might have a bad power supply. If you have a voltmeter, check the voltage of the standby power supply. This voltage is present even if the system is off, plugged in. It powers a small portion of the logic circuit. It should measure within a couple of tenths of exactly +5 volts. If it is low, or high, this will prevent turn-on. The purple wire of the 24 pin connector is what carries this to the motherboard. The color coding layout is found at http://pinouts.ru/Power/atx_v2_pinout.shtml If by chance this voltage is OK, then check the full on voltages also. Repair of the defective supply is probably by replacement of one or more small electrolytic capacitors in the appropriate circuit, especially if you are technically savvy. Capacitors are available through several suppliers; Digi-Key supplyies Panasonic FC series which are suitable for switching power supplies. Or, you may just replace the whole unit.

ATX 24 pin power supply connector pinout

pinouts.ru

Pinout of ATX ATX12V 24 pin power...

Posted on Apr 25, 2007

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HP Pavilion Dv6000z will not turn on

Florida Bob,

Battery is part of the power/charging circuit. As you have found it needs to be in place; kaput or not.

Believe your problem to be Power MOSFET's.

This will explain why,

http://www.fixya.com/support/t15330613-hp_pavilion_dv8_not_starting_up

(The Mayohardware article)

Now you may know what is wrong, and where to get replacement parts, and how to replace.

This is the HP Support link to the free Service Manual,

Main Support page for the HP Pavilion dv6000z Notebook PC,

http://h10025.www1.hp.com/ewfrf/wc/product?cc=us&lc=en&dlc=en&product=3224052

Manuals download page,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?cc=us&dlc=en&lc=en&product=3224052&

In the list you want the blue -

HP Pavilion dv6000 Notebook PC - Maintenance and Service Guide

USE an ESD wrist strap.
Use a multi-compartment container for the various screws you will remove.
Label each compartment for the area the screw/s come out of.
SOME screws look VERY similar to other screws.
Advise DO NOT mix them up.

http://www.ebay.com/itm/65W-CHARGER-AC-ADAPTER-FOR-HP-Pavilion-dv1000-dv2000-dv5000-dv6000-146594-001-/221082152535?pt=Laptop_Adapters_Chargers&hash=item337985ee57

18.5 Volts (DC)

For additional questions please post in a Comment.

Regards,
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You should read manual of the moterboard, there is wiring diagram that you need. But however, i suggest to you - take it to the expert, if you don't know how to do it.

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Problem with the MSI 7050 (HP dx5150) Motherboard Front panel wiring colour diagram please.... PWR LED, HDD LED, PWR SW, AND RST SW

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http://bizsupport2.austin.hp.com/bc/docs/support/SupportManual/c00358730/c00358730.pdf

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I have a hp pavilion a1777c desktop. i had to take it apart to replace hdd and dvd rom and some other parts. i have been trying to get detailed info on where the front power panel wires connect onto the...

There is usually a set of pins on the corner that are labeled get a magnify glass and light up the board take the glass and look down on one of the corners it is usually on the right corner of the bottom of the board at the bottom of the desktop case. You will usually see a series of abbreviations. LED, HDD, PWR, RES or RE the pins are marked. Now on the wires to the power button you will see the same wire abbreviations. Just hook up the HDD wire to the HDD pin the PWR to the PWR button wire and so on. RESET wire is RE or RES etc. Those really are the only three you will need. Not sure of the exact abbreviations. But they are lettered enough for you to match them. The best thing to do is try to download the board specs and get a look at the pins one side is neg and the other is positive it would be to your best interest to find the mother board specs for you mother board since you went all over the internet and could not find the board specs. just match the LED and the others they are marked PWR is the main and HDD is just showing when the HDD is working. The reset is for the button to reset the computer. It is basic and not that complicated really. Thanks for using FixYa! John

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Mar 02, 2011 • Computers & Internet

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I have an emachine W3080 that I unplugged the front panel wiring, power switch, power LED, and floppy LED and dont remember which pins they plug into. Can you help?

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Feb 26, 2010 • Computers & Internet

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Cklick on this picture and you will know...You have to connect all three to "Front Panel" connector the way it shows on this picture...

http://img33.imageshack.us/img33/9223/11frontpanelinstall37sc.jpg

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Feb 09, 2010 • HP Compaq Motherboard

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Describe your 261983 001 motherboard Problem. evo d310m, d510m socket 478 motherboard. Looking for pin out for the p5 connector; front panel...pwr sw, pwr led, hdd led, reset sw

Here ya go Check the site and open the pdf file this is a service manual for EVO s310m

http://h20000.www2.hp.com/bizsupport/TechSupport/DocumentIndex.jsp?lang=en&cc=us&contentType=SupportManual&docIndexId=64255&prodTypeId=12454&prodSeriesId=385204&lang=en&cc=us

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Nov 15, 2009 • Compaq Computers & Internet

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TRYING TO HOOK UP MU POWER BUTTON NEED TO KNOW

Hi there
The front panel connectors are mainly,

harddisk activity connector
power switch connector
reset switch connector
power LED connector
speakers connector
USB connector

Harddisk activity connector
This normally comes red in colour and is labeled as HDD-LED
Power switch connector
This comes green in colour and is labeled as POWER-SW
Reset switch connector
This usually comes grey in colour and is labeled as RST-SW
Power LED connector
This is usually green in colour and is labled as PWR-LED
Speakers connector
This speaker will give different beep sounds during boot to tell the user if there is any errors. It occupies 4 pins, however only 2 is important for the function. Be sure to connect the red coloured cable to the positive polarity and the black to the negative.

Front panel connectors pins on the motherboard

Front panel connectors from the casing

Good luck and thanks for using FixYa!!

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You can download the complete user manual in English from the manufacturer's website at this link:)

http://support.asus.com/download/download_item_4.aspx?product=1&model=P4B533&SLanguage=en-us&os=17

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Front panel connections

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