Question about Intel Compaq EVO D500 (RBMDTCPQP42400) PC Desktop

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My son changed towers and upgraded to another power supply

Now it hangs on compaq screen wont boot

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  • markus
    markus May 11, 2010

    which os...xp or vista?

    Check the kabels to the harddrive....



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How long have you waited for it to boot up? Sometimes I have seen it sit on the logo for like 10 minutes thinking about the boot configuration. Also you might change out your hard drives and cd's and DVD's and check your jumper settings on all of them to see if any conflict with each other.

Posted on Feb 18, 2009


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What would cause my pc to turn on but not boot in fact all fans in the tower stop spinning cept for the psu and video card and the video card fan spins alot faster than normal at a point you can hear

Hi Chuck
sounds to me like your machine is not finding something required to boot. I would start by cleaning and rebuilding the machine which will hopefully discover a component such as the hdd or graphics card which is not plugged in correctly. Are you getting any bleeps when the machine is powered up? Any display appearing on the screen? Hope this helps, if there are any other signs of power e.g. display let me know as it could help diagnosis.

Feb 18, 2013 | Compaq Computers & Internet

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Hp dc7600 PC Desktop is it compatible with MSI 8400GS 512MB PCIE TV OUT + DVI and will it work and not overheat power suply?Thanks

The problem wouldn't be overheating, the problem would does your power supply have a high enough wattage to run the card. Typically you want a power supply with at least 300-350 watts. Most store bought computers won't have a big enough power supply. Drop the card in and power up the computer. If it boots all the way your good if it doesn't, upgrade the power supply. You want hurt the computer by trying. Also when you open the tower up the wattage should be listed on the side of the power supply. There are plenty of cheap power supplies on line. Just looked on $30 for a 500W. Search YouTube on how to install, it's pretty easy.

Jan 13, 2013 | HP Compaq dc7600 Small Form Factor PC...

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I know you don't want to hear this, but first thing is to check that the computer is plugged in and the switch on the power supply (right next to where the power cord goes into the tower) is turned to the on position. Also be sure the outlet you are plugged into is in good shape, you might have blown a fuse in your house or something like that to make the outlet dead.
If this doesn't work then I need to know what kind of audio/video response the computer is making.
If there is no noise at all when you push the power button on the tower, then you more than likely have a dead power supply on your hands. You will need to buy a new one that is at LEAST as powerful (same KW rating) as the power supply you had in there previously, if you haven't upgraded the computer's hardware since you bought it.
If you have speakers on your desktop and you hear the windows boot-up sounds then you either have a problem with your monitor or with your video card. There are other problems on this website you can refer to in order to trouble-shoot your video card.
There are several other possibilities if your computer is making noise (fans spinning up) but not getting anywhere:
You can be hanging on the BIOS, you need to reflash the BIOS - contact an IT Professional or look around this forum for a solution.
The Boot Sector may be corrupted, contact an IT professional or look around this forum to perform a checkdisk externally on your drive to repair the MBR.
Please post back to let me know how this goes! Good luck.
And please rate my response.

Jul 17, 2010 | Compaq Computers & Internet

3 Answers

M4A785TD-M EVO Motherboard will not boot.


From what you are descrbing it sounds like a PSU issue

Please try the following

1) Remove all the wires from the PC
2) Press and hold the power button in for about 10 seconds (yes i know there is no power :) )
3) Plug everything back in and retry, if it still fails the Power supply will need to be changed

The Power supply can be swapped out at any decent PC repair shop and is quite cheap to do

I hope this helps

Mar 08, 2010 | ASUS M4A785TD-V EVO Motherboard

1 Answer

Screen will not come on hard drive light no light checked power supply is ok

Things to check:
  1. Power led on the front of the tower, it should be solid green when on. Flashing Amber is generally an indication of a bad power supply inside the tower
  2. Power LED Solid AMBER indicates system is not finishing the power on self test (POST) and you remove all connections from the tower except power and try turning on again. If no change, remove all PCI and PCI-E cards from system, try again, no change replace motherboard.
  3. On the back of the tower are 4 diagnostic LEDs near the ps2 ports marked ABCD, after the POST, during a normal boot the will flash in several sequences and with boot is finished all 4 should be green. If they stop an a different pattern, then that indicates a failure Yellow Yellow Green Green indicate bad RAM for example
  4. If the LEDs on front and back are Green then the system appears to be booting but the monitor display is not functional

Feb 05, 2010 | Dell Dimension 4600 PC Desktop

1 Answer

Computer wont come on .. greenlight on back of tower is flashing what could be the problem?

Sounds as if your power supply has a problem with it. Try a different power supply in it. You can usually find them for 10 bucks or so at a local computer shop. Just ask if they have some old ones left from an upgrade.

Nov 15, 2009 | Compaq Presario 5000 PC Desktop

1 Answer

Wont boot up

try removing all cables connected to your tower, (including power cable, mouse, keyboard, VGA cable, scanner, printer, camera etc.)- then press the power button for at least 5 seconds, this is what we call POWER DRAIN, then try booting up your system again, if still unresolved, power off your tower, then open up your chassis, reseat the cables of your HARD DISK -- try again. if still unsolved, try entering the BIOS, check if the HARD DISK is detected..

Sep 07, 2009 | Compaq Evo N610C Notebook

1 Answer

Trying to Install Windows

Refix your RAM memory .
Aslo reconnect harddisk power cable and ide or sata cable.
I also face same problem in my pc i saort oout with Refix RAM memory.

Jul 29, 2009 | Computers & Internet

1 Answer

Wont start up

my wife has a presario that had a similar problem - it would boot up, then immediately shut down. I took off the side plate and blew off some of the dust inside. that worked for a couple of days then the symptoms returned. I took it apart again but this time I removed the cpu fan and the cpu heat sink. I cleaned all the **** off the fan and the heat sink and replaced it. this time it stayed on. I checked out the power supply. compaq installed a very cheap power supply - only 250 watts. a replacement power supply for the same machine but with an output of 300 watts is available. as soon as I can scrape up the change, I'm gonna change the PS

Jun 11, 2008 | Compaq Presario 5000 PC Desktop

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