My Computer beeps 3 times and Monitor has no Signal!!

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Irison Steal Ayumi

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Jul 6, 2013
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Hello,
hey i have a dell dimension 4400 and i just got his new video card called ati radeon 9700 and i opened up my pc and switched that video card with the old one i had ! and i took the molex connecter i think called p7 and i plugged on the side of my video card and closed my computer and plugged everything in and all of a sudden i plug in the power supply and the screen says no signal and the Pc beeps three times ! i don't know what that means i mean i haven't touched anything else but the molex connecter ! SO IT COULDN'T BE ANY THING ELSE besides the fact i have to get a new power supply! ANYWAY PLEASE HELP!!!!!!!!
 
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JobCreator

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Well, according to the user guide provided by DELL, ftp://ftp.dell.com/Manuals/all-products/esuprt_desktop/esuprt_dimension_desktops/dimension-4400_User%27s%20Guide_en-us.pdf page 3, 3 beeps indicates an error in the first 64kb of memory. They recommend reseating your memory modules. However, the guide has beep codes of 1, 2, 3, 4, 6, 7, 8, 10, and 11. This is kind of quirky to me, as I highly doubt they would have the mobo beep ELEVEN times to indicate an error. So, I'm wondering if that's simply a reference to a particular number of beeps. Anyway, I'd try what they recommend and seeing if that doesn't fix the problem. Reseat your memory modules and get back to the forums, successful or not.
 
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JobCreator

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Take both thumbs, place them on either side of the stick of ram and push down. Push straight down. Push hard and with force, but with much caution. It should snap into place. Then you can easily reposition the "teeth" to keep it in place.
 
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Tabris DarkPeace

Tabris DarkPeace

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How much power does the Radeon 9700 that you have installed require?
- Dell are notorious for pairing their low end PCs with barely adequate power supply units.

The power consumption should be listed on the box somewhere or in the manual.

It is quite possible that your Dell PC does not have enough of a PSU, as they fade in rating over time.
 
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Irison Steal Ayumi

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Okay so now i did all u said do! And now the Computwr stopped beeping!! Thank you so much! :DDDD but the thing is...i put in the video card the Radeon one...i should have put in the old one....:/. But now i think the power supply died.....i think because now its on and the light is on but the fan is not moving and the system is not making any start up sounds...i dont know what happen...
 
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JobCreator

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The PC powers on, but the power supply fan is not spinning? Or nothing is running including the PSU fan? That same user guide shows what the lights on the motherboard mean. Page 2 has all the corresponding warning lights that are associated with your motherboard, so if you can match what you see on your mobo with one of the ones in the guide, you can identify exactly what is wrong.
 
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Irison Steal Ayumi

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Oh, im sorry! I pressed the button! :) and it's running! But it still says no signal! The lights are all 5 that glow! And i read the dell link u gave me but i dont understand it that well its really complicated! Dx it says i should do this! "set the configuration jumper to maintenance mode" when the light is on 5 but the thing is i dont know where it is! Dx
 
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JobCreator

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If I'm reading this right, you're going to want to flash the CMOS. This is a very, very simple process, but often quite difficult to find on the motherboard as it is very small. There is a 3 pin jumper somewhere on the motherboard. This is a description for a DELL 2100 model, but I suspect it may be the same on a 4400. It's usually a 3 pin jumper, but this looks like a 4 pin. Regardless, there should be a small plastic "cap" on 2 of the pins. What you want to do is remove that plastic "cap" and replace it on the OTHER two pins. If it's a 3 pin jumper, and the "cap" is originally connected to pins 1 and 2, you want to remove it and connect it to pins 2 and 3. Then reconnect it in it's original position. Let me know if there are any questions.

http://www.ehow.com/how_7475518_bios-pins-dell-dimension-2100.html
 
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Irison Steal Ayumi

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This about sums it up to whats happenig!
I have a Dell dimension 440 and then i wanted to play a game called sims so i got a new video card! I got radeon 9700 video card and switched the my old video card with the radeon card! And then i turned on my computer screen. So then the computer beeps 3 times and the monitor has no signal! But then i figured out the beeping problem, i simply reseated the Ram. Then the computer still would load the monitor screen still no signal to monitor. Then, i took out the bios battery for 5 seconds and then put it back in. Then i put the jumper in slot 2 and 3 then it loaded up Bios Mode. So then in bios mode i cliked setup configuration then clocked saved and exit. It said "Turn off power and reinstall the jumper in normal mode position" so i did all that and then turned the pc back on and the screen became black and said "Boot Faliure:System Halt" something like that. I loaded the bios again! And pressed setup configuration and then the logo screen came up and it wouldnt let me press <f12> i would only tell me to press <Del> so i did and it went straight back to bios.-____-
Could someone please tell what is going on? I really dont get how all this crap happend just for putting a new video card in....
 
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JobCreator

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If you're able to get into BIOS, reorder the boot order. Boot from CD/DVD first. You can also open the CD drive so long as the PC powers on. Unless there's something wrong with the CD drive (?). So, power it on, get into BIOS, and rearrange the boot order/boot menu to CD/DVD first. Open the CD drive, insert the disc, then save settings and restart. It should boot straight from the CD.
 
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