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Solved Video card crashes on startup

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Whatmustido

Whatmustido

PCHF Member
Sep 29, 2017
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#1
When I turn the computer on, everything is fine, and I can log into my account. But once I do log into my account, the screen stutters a LOT, and it eventually crashes. Background info: right before this happened, I installed a new video card on my computer, the MSI ATI Radeon HD6450, since I was told it would work on my computer, an HP Compaq 8100 Elite Small Form Factor. I replaced the bracket on the video card with the smaller one, put the Vega bracket on top, connected the video card to the black express bridge in the computer and then connected the VGA and the DVI cables to my monitor. If I use the VGA output, it won't load, and if I use the DVI output, it lets me log in but then it stutters and crashes. But it didn't crash at first. I used the disc that came with the video card to install the drivers. Then it told me to restart the computer, so I did, but now I can't see anything or it'll stutter and repeatedly crash. Am I doing something wrong? I made sure that the video card was in place completely.
 
#2
Hello

From what i can see your pc has a 240 watt PSU,the HD6450 requires a minimum system wattage of 400 watts. How the vid card is even working is surprising me .
 
#4
vger said:
Hello

From what i can see your pc has a 240 watt PSU,the HD6450 requires a minimum system wattage of 400 watts. How the vid card is even working is surprising me .
Click to expand...
I have another question. I looked it up online, and the HD6450 is said to only use 26-27 watts at peak. Shouldn't I be able to use it with my power supply, or do I really need to upgrade?
 
#6
Whatmustido said:
I have another question. I looked it up online, and the HD6450 is said to only use 26-27 watts at peak. Shouldn't I be able to use it with my power supply, or do I really need to upgrade?
Click to expand...

vger said:
Yes that may be all the wattage the vid card uses,but you have to think about the overall pc power supply and the other hardware the psu has to supply power to. Your pc doesn't have that.
Click to expand...

To add to what Veeg has already advised, all versions of the MSI HD6450 not only require a PSU with a minimum recommended output of 400W the PSU must also be able to provide a minimum of 29 amps on the +12V rail, below is a screenshot of the specifications of the PSU inside your computer, you will note that the PSU cannot even provide half of the required amps.

Regarding upgrading the PSU, more bad news I`m afraid, being SFF your computer does not use a stock ATX PSU and from the info that I can find there is no PSU available that can produce the output required to run your present video card, btw, that is one power hungry video card being that it is a low profile device.

MSI HD6450 power requirements here

The present PSU specs here the similar 320W PSU at the link also performs as bad with only producing 16 amps on the +12V rail which is not even enough to run a less power hungry low profile GTX 750 or GTX 750Ti :(
 

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#7
phillpower2 said:
To add to what Veeg has already advised, all versions of the MSI HD6450 not only require a PSU with a minimum recommended output of 400W the PSU must also be able to provide a minimum of 29 amps on the +12V rail, below is a screenshot of the specifications of the PSU inside your computer, you will note that the PSU cannot even provide half of the required amps.

Regarding upgrading the PSU, more bad news I`m afraid, being SFF your computer does not use a stock ATX PSU and from the info that I can find there is no PSU available that can produce the output required to run your present video card, btw, that is one power hungry video card being that it is a low profile device.

MSI HD6450 power requirements here

The present PSU specs here the similar 320W PSU at the link also performs as bad with only producing 16 amps on the +12V rail which is not even enough to run a less power hungry low profile GTX 750 or GTX 750Ti :(
Click to expand...
Oh, man. That sucks. I returned the graphics card, do you know of any video cards that I can get that my computer can support? Thank you so much for helping me out and explaining what's wrong in detail
 
#8
Depends what the intended use of the computer is, there is no card that we can suggest that would be able to handle any demanding games I`m afraid :(

You are welcome btw :)
 
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