S3500t Slimline 180W PSU with Radeon HD 5450 card

I got a hp s3500t with vista home 64bit OS, E7200 CPU, 4gb ram and now a new ASUS HD 5450 card bought to replace the Nvidia 9500gs that got to be too noise. But, although I did lots of research and thought I found the card with the lowest consuption on the market - something like 20 watts under normal load, my 180W PSU is probably preventing it from working. Specifically, now that I got the card installed I cannot open ANY video or flash material, I get media player, gom etc, crashes as well as flash crashes in youtube. But the PC itself does not crash and runs at normal resolution. Would you have any suggestion? Do you think it is the PSU? Should I get a 250 or 300 watts supply for this unlucky machine? Appreciate any comments.

re?>I was poking about and discovered this

In Device Manager
Under Display Adapter
ATI Radeon HD 5450
Conflicting device list:

Input/Output Range 03B0 - 03BB used by:
Input/Output Range 03C0 - 03DF used by:
Memory Range 00000000000A0000 - 00000000000BFFFF used by:

Network Adapters 6TO4 Adapter X 10
MS 6TO4 Adapter #28
MS ISATAP Adapter #6
MS ISATAP Adapter #6

Could this be where the secret to my *crashing avi’s and flash* lies? Before I go an’ spend 60 bucks getting a new PSU shipped to Chile. Would you happen to know of any way to resolve something like this? Thanks very much in advance.

I have also updated to the latest Catalyst driver and still no effect, still anything remotely "visual" crashes, even Skype, but the pc itself works fine, word, explorer etc.
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More about s3500t slimline 180w radeon 5450 card
  1. Sounds like that is causing the problem : conflicting devices are never good. You can change that somewhere, can't remeber where, have to look in to that.
  2. Duh, in the same place you got that info from . . .
  3. OK, well let me rephrase that, I found it there but I don't have any way to change it, as far as I can tell, so Veteran, help a guy out.
  4. ububoy said:
    OK, well let me rephrase that, I found it there but I don't have any way to change it, as far as I can tell, so Veteran, help a guy out.

    Mmmm. I couldn't change it there also but i thought that was because i havent got a conflict. I hoped when there was a conflict you have that option.
    I know i did change settings like that somewhere in the past with a P3, just can't remember how. I'll look into that. Back later.
  5. Well, it seems that when there is no option to change ( impossible to switch off the automatic source ) than it's just not possible.
    Maybe take out the network adapter see if the problem is solved and after that reinstall the adapter again. Maybe Windows give that one an other source than.
    I think i remeber that you also can do something in the bios screen but have to look into that.
  6. Wel, great! thanks for the effort, if you find any way to resolve the matter, please let me know.
  7. Video Adapter
    Name ATI Radeon HD 5450
    Video Processor ATI display adapter (0x68F9)
    Manufactory ATI Technologies Inc.
    Video Architecture VGA
    DAC Type Internal DAC(400MHz)
    Memory Size 1.00 GB
    Memory Type Unknown
    Video Mode 1366 x 768 x 4294967296 colors
    Current Refresh Rate 60 Hz
    Driver Version
    Driver Date 1/27/2011 1:13:34 AM
  8. so apparently the pc finds and ids the card but something is not letting it run videos. this great mystery is costing me sleep.
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