Question about Compaq ( 277498-001) Motherboard

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No post on my compaq desktop fan to power supply is running. I tested and even replaced the power supply still nothing what next

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Get a new motherboard, this one is dead.

Posted on Oct 14, 2010

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Posted on Jan 02, 2017

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I have a compaq cq5110y computer. When I push the power button nothing happens. It doesn't turn on, no fan or lights come on either. The only light that is on is on the back of the computer and it's a...



It might be a connector cable between the mother board and the power supply has worked loose when the machine was moved. That blinking light appears to be on the power supply.

While there might be other causes, I suspect the power supply needs to be replaced.

You could take up considerable time and try to reseat everything and check all the connections and even put new thermal paste between the CPU and heatsink, but in the end, I suspect putting in a new (or used of the same type) power supply will be the fix. If the power supply has failed before damaging anything, that at least would be good news.

Feb 17, 2015 | Compaq Computers & Internet

1 Answer

MY PAVILLION WILL NOT COME ON AFTER PRESSING THE BUTTON.


1) HP Pavilion 745n Desktop PC is dirty inside. Power unplugged from computer, Anti-Static Precautions -> FOLLOWED, use a can, or two of compressed air for computers, and clean. (Especially the processor heatsink fins, and processor fan)

2) Also replace the Power Supply.

Before doing so suggest performing the simple test to see if the problem is the Power On button, or Power Supply. Test voltages coming out of Power Supply with a multimeter, or use a KNOWN to be good, Compatible power supply for a test unit, borrowed from a working computer.

Need guidance with the above post back in a Comment.

http://h10025.www1.hp.com/ewfrf/wc/product?product=296688&lc=en&cc=us&dlc=en&lang=en&cc=us

Regards,
joecoolvette

Nov 23, 2012 | HP Pavilion 754n PC Desktop

1 Answer

HP Compaq Evo D310 Desktop. After connecting the mains supply to the desktop and swithing the power on, nothing happens when pressing the power button on the front of the unit. I notice there is a small...


That switch is there to select between European and US voltage - if the pc has worked before then leave it as it is. Change it to the wrong setting and the power source will be fried.
Your pc doesn't start because you have a hardware fault.  Disconnect the data cable from the hard disk and try again. Next you must test the power source itself , outside of the pc - take it out then connect the green wire from the big connector to the black wire next to it; if the fan of the source doesn't start then it's fried, replace it. If it does then you must try the other components. If you haven't done that before , or if you don't have other components to swap for testing ,  then it's time to take it to a shop, nothing more you can do to it

Aug 05, 2010 | HP Compaq Evo D310 PC Desktop

2 Answers

Compaq Presario SR2150NX doesn't turn on. Front panel green light turns on but nothing else happens (no fans, no boot, no noise, nothing) Please advice


On the back of the Power Supply there should be a Green LED, When you power it on if it is flashing, this means that the Power Supply is dead and you need to replace it.

Apr 14, 2010 | HP Compaq Presario SR2150NX PC Desktop

1 Answer

Hello, I have compaq presario SR2020NX. One morning it was simply dead. No lights, fans. nothing. Power supply and on off sqitch ok. Is motherboard the next check?


No lights and fans ? then how du u can say that power supply is ok. Is the fan inside the SMPS spinning ? if yes, remove the cpu cab. remove 24 pin power supply cables and 4 pin 12 v supply from the motherboard and re attached them. and try.

Jan 30, 2010 | HP Compaq Presario SR2020NX PC Desktop

1 Answer

I recently had a new power supply installed in my compaq presario SR1318NX, now the fans run almost constantly. The air from the fans does not feel hot, nor does the tower. Is this serious?


Hi,

In a desktop computer the fan is supposed to run constantly otherwise the processor would get that hot the system would repeatedly shut down or even damage the processor or motherboard.

If the fan is noisy then chances are that the fan blades need cleaning of dust.

Other than that you have nothing to worry about.


Regards.

Dec 02, 2009 | Compaq Presario 5000 PC Desktop

4 Answers

HP dc5000 won't start. Green light on front is dim and flashing.


Hold down the power button until the machine completely turns off. Then turn the machine back on and let me know what happens.

May 26, 2009 | HP Compaq dc5000 Small Form Factor PC...

1 Answer

Will not come on


Does it run through the memory test, or begin to post?
Try pressing F8 repeatedly at startup to enter the OS options page and if you boot that far, choose last known good configuration. Otherwise, you may have some kind of hardware or driver conflict, a failing hard drive or even a failing power supply, despite the lights and fans. Finally it could be the result of malware installed on the system.
Here's a great article for general startup troubleshooting.
Here's a link to your system's support page and Here's HP's version for xp.
Here's a MS startup troubleshooter for xp.
Here's a link to my recommended malware removal protocols if you get it booted and that seems like the direction to go.

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
If I've managed to answer your question or solve a problem, please take just a moment to rate this post....thanks!

May 22, 2009 | HP Compaq Presario SR2011WM PC Desktop

2 Answers

My cpu got a power surge during a lighting storm an burned up my power suplie ive replaced it an now the power light will come on when i push the power button on and the fan on the mother board works but...


In addition to your power supply, your motherboard was also probably affected by the surge. Most surges do damage beyond the motherboard. The power supply is still supplying power to it, which is why the fan runs and power lights come on, but it probably isn't doing much more then that. You might want to start looking for a motherboard replacement. The best and most inexpensive place is www.tigerdirect.com.

Mar 25, 2009 | HP Compaq Presario SR1303wm PC Desktop

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