What the problem with this graphics card?

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EdgarJ201

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Jul 10, 2014
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So I recently bought an EVGA GeForce 8400 GS graphics card and I installed it and downloaded and installed the drivers too but here's the issue:
The screen keeps going black and the pc would crash and reboot.
Other times the screen would go black and return with a notification saying something like "drivers crashed but has recovered" or something along those lines. Anyways, this happens either before, during, or after I play games. The games I play aren't graphics heavy (SWBF2 & SWTOR). Someone told me that its a defective graphics card while others told me its the PSU and not the GC. People have told me that the GC doesn't need a PSU and that the stock power supply is enough for. Can I get more opinions please?
 
Solution
markwp
Your psu is not going to handle that card. Even though it's a sub-75w card, it still needs a psu that can give you 18a at 12v (see EVGA data HERE). If you have access to a different psu, give it a try. If not, IMO you will need a new psu capable of a minimum of 18a on the 12v rail.

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markwp

markwp

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Jan 22, 2013
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Your question really needs a little more information to be answered well. The 8400gs does in fact obtain its' power from pci-e slot which is power via the motherboard and does not require a direct connection to the psu. As a low power card, typically an OEM psu (300w or so) will be sufficient.

To better answer your question, especially with the driver notification, please list your cpu, m/b, psu (amps on 12v rail especially) and any other info you can provide.

A driver crash is not usually related to a power supply problem. If you had an amd card previously, you need to COMPLETELY remove the radeon drivers, including registry entries. This would include native drivers if you are using an onboard amd system. There are a large number of tutorials on how to completely remove drivers, just google "remove amd drivers" or similar.

Mark
 
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EdgarJ201

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Jul 10, 2014
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Windows 7 Professional 64-bit SP1 / Intel Core 2 Quad Q9400 @ 2.66 GHz
Yorkfield 45nm Technology / 4.00GB Dual-Channel DDR2 @ 332MHz (5-5-5-15) / HP
3031 (XU1 Processor) / 2 Intel Q45/Q43 Express Chipsets
 
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EdgarJ201

Reputable
Jul 10, 2014
9
0
4,510


Windows 7 Professional 64-bit SP1 / Intel Core 2 Quad Q9400 @ 2.66 GHz
Yorkfield 45nm Technology / 4.00GB Dual-Channel DDR2 @ 332MHz (5-5-5-15) / HP
3031 (XU1 Processor) / 2 Intel Q45/Q43 Express Chipsets
I don't have another graphics cards. I just have the integrated graphics. Output is 240W max +5.08V 17A +3.33V 15A +12V 7.5A and Input is 100-240V 5A 50-60Hz
 
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Nyphrodel

Nyphrodel

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Mar 14, 2013
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Did you go into the bios and deactivate the integrated graphics or go into the device manage and disable it? Please do this while in Safe Mode. It should have disabled it when you put in the new card but I'd still check just to be sure. This must be done in order for it to recognize your new gpu and not try to use the old one. Then, be sure to remove all of the old drivers, (including registry files) then and only then, should you install the new drivers. Try using something like this: http://www.techspot.com/downloads/4266-driver-sweeper.html to clean out the old drivers completely. Then, make sure that you do a clean install of your NVidia drivers. There are some very helpful tutorials on the internet that will take you through the steps. Be sure to watch several so you can get all of the correct information. Sometimes one of them will miss something important that the next one doesn't. This way you can be sure to fill in all the blanks ;) I hope this helps.
 
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Nyphrodel

Nyphrodel

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Mar 14, 2013
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Markwp has the right of it as far as your power supply is concerned. My only concern is that your system is specifically telling you that it's a driver issue, so I would start there. When it crashes, it's sounds like it's trying to recover and reboot to the old card because it has a mix of drivers...I would start over again and take it slow, step by step. Did you look at any tutorials on the internet as suggested? There are many very kind and helpful people out there that are willing to get you through this.
 
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