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Video I just replaced my power supply in my s2485, everything powers up but I don't get video whether using the on-board on an AGP card. Can't figure this out!

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Hello kensansom766,
If everything is powering on and your getting no video, most likely the motherboard has gone out. With a agp card present it disables the on-board vga. Does it sound off any beep codes when you cut it on?
First thing i would do is take the memory out just to make the computer beep and acknowledge that there's no memory present, if you don't hear a beep, there another problem, if it does beep however you can assume the motherboards okay and go onto step two. It just might be bad memory too, see if you can replace it with memory from a working computer.
If you've been taking out the video card alot, i would make sure its seeded properly. Then take out some of those cards your not using. 56k modem, sound card, etc. I would also try just the on-board video, too.
Then if your still getting no video, i would remove everything from the board, ide cables, cards, usb controllers and cables, just have the power supply and the wires for the power and reset buttons connected. if you dont get at least the post screen, then its a bad motherboard for sure.
Sorry to type an essay, buts thats how i approch video issues like this. If you don't feel comfortable with doing major surgery like that, please don't. Most likely you can take it to a repair center and at least get a diagnostic, and put the fear of making things worse, in there hands.
Good Luck

Posted on Nov 06, 2008

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My son saved up and bought a Gateway SX2855-UB12P. We have upgraded to 8MB of RAM and now are looking to upgrade the video card which currently is a PCI Express x16 Graphics. Given his machine is a en

Hope you mean upgraded ram to 8 GB 8 mb is not much ram to run a computer.

To upgrade your computer's graphics card, unfortunately you can't just simply purchase a card and install it to your computer. Before purchasing a card, you must first confirm what is compatible with your motherboard. Graphics cards use either AGP or PCI Express technology. Many older computers use AGP. AGP cards can vary in version and bandwidth, whereas PCI Express cards can vary based on their lane . Moreover, the card itself is not your only consideration when looking to upgrade your computer's graphics. You must also consider the strength of your computer's power supply as well, since most newer cards use a lot of power. Download, install and run SiSoftware's Sandra (see link Below) to find out information on your motherboard. Click the "Mainboard Information" icon, then write down the information next to "Manufacturer" and "Model." Navigate to the motherboard manufacturer's website. If you are not sure of the website's URL, enter the manufacturer's name into a search engine to find the company's website. Go to the support page and enter your motherboard's model. Download the motherboard's manual or review the specifications. Search the manual or specifications for "Expansion slot," "AGP" or "PCI Express." If the expansion slot uses AGP, note the version (AGP comes in 1.0, 2.0 and 3.0), as well as the bandwidth (1x, 2x, 4x or 8x). If the expansion slot uses PCI Express, note the amount of lanes (x1, x4, x8 or x16). Search the manual or specifications for "Power," "PSU" or "Power Supply." Write down the power supply's voltage (3.3V, 5V or 12V) and amp rating (designated by "A"). Not all manufacturers list the amp rating in their documentation, so you may need to contact the manufacturer for more assistance. Compare the graphics card you want to buy to the motherboard's expansion slot. AGP cards won't work in motherboards using PCI Express, and vice versa. Similarly, AGP 3.0 cards won't work in motherboards using AGP 1.0. A PCI Express x8 card will not fit in a PCI Express x1 slot. Check the voltage and amperage of the video card to the voltage and amperage on your motherboard. A video card that requires a higher amp rating requires a powerful PSU. Hope this helps.


Dec 24, 2012 | PC Desktops



With the popularity of computer gaming video cards are becoming of of the most commonly upgraded components in a computer. However, purchasing a computer video card can sometimes be a very confusing and frustrating task. Before purchasing a video card, keep the below recommendations in mind.
Today there are three types of bus (slots) a video card is capable of connecting to. Although with most modern computers today it'll be either PCI-E or AGP. Before buying a new video card make sure you get a video card that will be compatible with the available slots in your computer.
PCI-E or PCI-Express was approved as a standard on July 2002 and is the latest computer bus found in computers. PCI Express is designed to replace PCI and AGP and is available in several different formats: x1, x2, x4, x8, x12, x16 and x32. See our PCI Express definition for a full description and related links.
pcie16.gifAGP or Advanced Graphics Port, is a new standard available on Pentium II and later motherboards. Introduced in 1997, AGP is a 32-bit Bus designed for high demanding video cards. AGP has a direct line to the computer memory, which allows 3-D elements to be stored in the system memory instead of the video memory and is available in three different standards (1.0, 2.0, and 3.0). See our AGP definition for a full description and related links.
agp.gifPCI or Peripheral Component Interconnect, was first introduced in 1992. Although still in use most computers today will have an available AGP slot and should be used instead of PCI. See our PCI definition for a full description and related links.
  • See document CH000258 for additional information about determining the type of video card you're using including the BUS type.
Power supply
Today's video cards are one of the must power hungry devices in your computer. Make sure that your power supply will meet the requirements of your video card. Many video cards will require a 500W or more power supply. If your computer doesn't meet the power requirements you'd need to upgrade the power supply before being able to install the new video card.
  • Additional information about determining what type of power supply you have and how many watts it has can be found on document CH000800.
Another important consideration when purchasing a video card is the amount of video memory the card has. Like system memory, the more memory located on the computer video card in most cases the greater capability of the video card. Today we suggest at the minimum a video card with 256MB of video memory.
Other considerations
Below are some additional considerations you may want to think about when buying a video card.
Ports - Many newer video cards will only have a DVI connection or both a VGA and DVI connection. If you're using a video card with a monitor that has a VGA connector it can still be used, but you'll need to also purchase a DVI to VGA converter if not included with your video card.
Chipset - There are dozens of different video card manufacturers. However, there are only two major chipset manufacturers; Nvidia and ATI. Although both are great manufacturers there can be great big differences between the two as far as performance. Before buying any video card it's a good idea to look up a hardware review on the video card before purchasing it if you're concerned about it's performance.
Size - If you have a smaller computer case fitting some of the new video cards in the computer many not be possible. Video cards today are much larger than older video cards because of their increased capabilities and need for cooling fans. Make sure your case is going to have room for a new video card. The only way to do this is to open the case and physically look.
Warranty - How long is the warranty and what does it cover.
Support - Is the technical support number a free number and is it open 24 hours, 7 days a week? You can find contact information for all major video card manufacturers on our video card contacts page.

Price range
The price range can vary depending upon the type of video card purchased, amount of memory, the interface used, and the available options. In general prices can range from $100 to $500 USD.
Where to purchase
For best price we often recommend that users purchase all computer hardware online. You'll be able to look at other customer reviews and get a much lower price. If you're uncomfortable buying online or want to talk to a sales rep you can always visit a local retail store and then buy online. See listing of places to buy computer hardware.

Video card installation
Additional help and information about installing a computer video card and other computer hardware can be found through in this page

on Mar 14, 2010 | PC Desktops

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Hi..just tried an install of HD4650 video card, it had no POST screen, only beeps in Phoenix BIOS : 2-4-1. (No 4th report...There should be one more according to my searches) I don't know what this...

If this is your card:
It has a 2.0 x 16 slot requirement that may not be compatible with your system. If this is your prior card:
It is AGP 8x, which i a totlally different setup. I looked up your system and it has AGP 8X slot:
If this is your card:
It would work, providing you have 400w power supply and a 6 pin connector to hook up.
The only way I can clarify what you've got and whether it's actually compatible, I need the make and model number of the card you have. You can see there are alot of different options.
Note: after looking again at the specs for you system, it comes with a 425w power supply. If you have your case open look at your power supply and it should say on it what the supply is.

Jun 17, 2011 | IBM IntelliStation Z Pro 6221 PC Desktop

2 Answers


Since you have to purchase a new video card then I would go ahead and get one and see what happens. Worst case, you'll have to go buy a bigger power supply.

Oct 08, 2010 | PC Desktops

1 Answer

I have an IBM thinkcentre A30 8199 pc desktop with and AGP slot, the bios always read the on board video card . i can`t get any agp card to work on my pc.

Go into the BIOS and disable the on-board video. With the system powered off, turn on the system and hit enter when it says "To interrupt normal startup, press Enter". Alternatively, press F1 on startup. Turn off the system if you get to the login screen and try again. Go through the BIOS menu to enable the AGP slot. (IIRC go to the line for Video and toggle On-board or AGP. My system is a A50p but it's been a while since I put in my video card.) Then exit the BIOS (save your changes) and shut down the system.

Do this step before adding the new card. Make sure that your power supply is sufficient to support the video card (and attach the power cable to the card). Make sure the card is fully seated in the slot.

If you continue to have a problem, go to the site and download the diagnostic program and see if you have a hardware issue with the slot or the card. under Diagnostics in the drop down menu.

I hope this helps.

Cindy Wells

May 14, 2010 | Lenovo IBM ThinkCentre A30 8199 (8199XX2)...

1 Answer

I have a kt400 dragon motherboard on the top of the agp slot theres a plug-in that looks like a power supply wire would plug in there, is that what its for? or is it for a agp card to plug into or sumthin?


That is your ATX 12volt 4 pin connector. Some video cards need extra power so that is where this plug comes in. A plug from your power supply plugs into it. If everything is good with your graphics then you don't need that extra power.


Jul 07, 2009 | PC Desktops

2 Answers

I have an HP Pavilion a1777c with a blank monitor

If the computer is starts up normally other than the no-video problem (that is, you hear all the normal sounds from the computer and the usual Windows startup music), then you probably do need a new video card. According to HP's spec page for the motherboard used, you'll need a PCI-E video card. Don't confuse this with a regular PCI card which has a different connector.

The spec page also says the board has integrated graphics. so you could remove any video card that's been installed and try booting with the built-in video. If everything else is working properly you can use that until you get a new expansion video card.

If the trouble is that the computer's not booting at all even though it's coming on, you'll need to figure out why. This might be a memory or video problem, although these usually cause some beep code if the motherboard gets into its POST (power on self-test). If nothing at all happens, this is often the sign of a bad power supply, processor chip or system board.

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1 Answer

Video card

This link covers basically everything you need to know for installing a video card. Basically you need to determine what kind of card you are going to use based on available slots on your motherboard (PCI, AGP, or PCI-E).

Then find a new card (some really good deals on video cards at

Setup is pretty easy, once you physically install the card, you usually just have run the CD that accompanies your video card to install the drivers for it. If your current video card is onboard video, then you will have to disable it in device manager in order for your new card to work properly.

You also want to be sure your power supply is large enough to supply enough juice to your new video card.

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New video card keeps monitor blank

you have to reprogram your pc. or try changing the jumpersetting. disabling your onboard video display. hop this solves the problem.

Jan 10, 2008 | E-Machines W3052 PC Desktop

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