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External graphic cards does'nt work on dell Optiplex 755

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January 8, 2014 6:12:46 AM

Hi there...
I am using dell optiplex 755. It has a 128mb Nvidia 6600gt graphic card when I bought the system. But now I want to run some high graphic games like cod:mw3 etc... Now whenever i tried to put any other card in the slot... the system doesnt give dispaly... It re-starts multiple times but not gives any display.. I tried other cards also but of no use... but when i put my 6600 back... It starts working perfectly... I cant understand the problem with all this..
please can anybody help me... I am sorry if there is grammatical mistakes...
January 8, 2014 6:20:29 AM

Well I'm new to selfbuilding so no expert in desktops, but I'd see if you can get a BIOS update in the first instance. Not sure if it would work, but using your old GPU, get to windows and install the new GPU drivers and then swap cards...but updating BIOS might be the way to go first (try the Dell website support section). Also might want to update the chipset drivers if you get the machine up and running with the new GPU.
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a b U Graphics card
January 8, 2014 6:30:18 AM

My first thought is are you plugging any 6 or 8 pin power cables into the new cards? My next thought is does the power supply in the dell desktop have the necessary power and cables to handle the new card. Other things you need to think about, is the power supply a standard power supply or is it old enough to be one of their proprietary ones.
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a b U Graphics card
January 8, 2014 6:42:33 AM

Saad Pasha said:
Hi there...
I am using dell optiplex 755. It has a 128mb Nvidia 6600gt graphic card when I bought the system. But now I want to run some high graphic games like cod:mw3 etc... Now whenever i tried to put any other card in the slot... the system doesnt give dispaly... It re-starts multiple times but not gives any display.. I tried other cards also but of no use... but when i put my 6600 back... It starts working perfectly... I cant understand the problem with all this..
please can anybody help me... I am sorry if there is grammatical mistakes...


Can you list the actual model number of both your GPU (both old one - 6600gt, and your new one) and your mobo?

It could be your 6600gt is an AGP type card, and the 'new card' your putting in being a PCIe version. They are incompatible, which could be the prob.
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January 8, 2014 9:15:48 AM

keith12 said:
Saad Pasha said:
Hi there...
I am using dell optiplex 755. It has a 128mb Nvidia 6600gt graphic card when I bought the system. But now I want to run some high graphic games like cod:mw3 etc... Now whenever i tried to put any other card in the slot... the system doesnt give dispaly... It re-starts multiple times but not gives any display.. I tried other cards also but of no use... but when i put my 6600 back... It starts working perfectly... I cant understand the problem with all this..
please can anybody help me... I am sorry if there is grammatical mistakes...


Can you list the actual model number of both your GPU (both old one - 6600gt, and your new one) and your mobo?

It could be your 6600gt is an AGP type card, and the 'new card' your putting in being a PCIe version. They are incompatible, which could be the prob.



The actual model i am using(the old one) is Geforce 6600. Its not gt. Only 6600... And its PCIe version.
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January 8, 2014 9:18:51 AM

GameOfMoans said:
Well I'm new to selfbuilding so no expert in desktops, but I'd see if you can get a BIOS update in the first instance. Not sure if it would work, but using your old GPU, get to windows and install the new GPU drivers and then swap cards...but updating BIOS might be the way to go first (try the Dell website support section). Also might want to update the chipset drivers if you get the machine up and running with the new GPU.



Well I will try the BIOS update.. And the GPU drivers are up to date... I am using Windows 8.1... And can you please guide how to update the BIOS...
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January 8, 2014 9:22:51 AM

faalin said:
My first thought is are you plugging any 6 or 8 pin power cables into the new cards? My next thought is does the power supply in the dell desktop have the necessary power and cables to handle the new card. Other things you need to think about, is the power supply a standard power supply or is it old enough to be one of their proprietary ones.


No I am not plugging any 6 or pin power cables... And i dont know that if power supply can handle the card.. Its about 300 watt... And i think its enough... And the power supply is in perfect condition... Not old enough :) 
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a b U Graphics card
January 8, 2014 9:48:58 AM

Hi

First of all, no rush here.

Questions to you.

First. Which form factor you have?
Look here http://www.google.com/images?q=optiplex+745&oe=UTF-8&hl...

From left to right: Mini Tower (MT), Desktop (DT), Small Form Factor (SFF) and Ultra Small Form Factor (USFF).
So, which one is yours?

Second. You said you have old NVIDIA video card, which one is new: NVIDIA or ATI/AMD, if you can provide exact video card model number.

Third. What exactly do you need from us, if you will able to use your new card it would be enough? Or you need to buy new card?

Anything else I can help you with?
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January 8, 2014 10:10:41 AM

Kisianik said:
Hi

First of all, no rush here.

Questions to you.

First. Which form factor you have?
Look here http://www.google.com/images?q=optiplex+745&oe=UTF-8&hl...

From left to right: Mini Tower (MT), Desktop (DT), Small Form Factor (SFF) and Ultra Small Form Factor (USFF).
So, which one is yours?

Second. You said you have old NVIDIA video card, which one is new: NVIDIA or ATI/AMD, if you can provide exact video card model number.

Third. What exactly do you need from us, if you will able to use your new card it would be enough? Or you need to buy new card?

Anything else I can help you with?


Ans.1 Its Mini Tower
Ans. 2 The one i wanna buy is 8500gt 256mb
Ans.3 yes it would be enough that i am able to use the new card... And hey i did'nt bought it yet.... the display doesnt apperad so i returned it..

And yes i just visited the nvidia site for drivers... the current driver version i am using is 307.72 which support 6 & 7 series cards... but it does'nt support 8 series or above that.... you think that could be a problem...?? If so then how to solve it?? As if i insert the new one the computer doesnt shows even BIOS display....
So in this case what to do...
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a b U Graphics card
January 8, 2014 11:23:06 AM

Why so low end card, you can put HD7750 or even GTX 650 ( Zotac low profile will fit in your box) - no power supply upgrade necessary?
What is your budget, if you are from other country, please provide your location and your budget in your currency.

Your turn.
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January 9, 2014 3:03:18 AM

Kisianik said:
Why so low end card, you can put HD7750 or even GTX 650 ( Zotac low profile will fit in your box) - no power supply upgrade necessary?
What is your budget, if you are from other country, please provide your location and your budget in your currency.

Your turn.


The problems figured out buddy... It wasnt PC problem.... today i took the system to another shop and he put 9600gt 512mb which worled perfectly,,, when i told him about the problem he smiled and said that it wasnt the system fault... the card i was trying was not Ok....
So i bought that and thanks to all who tried to help :) 
And one more question... Is 9600gt good for medium gaming like cod:mw3 and gta IV etc ??
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a b U Graphics card
January 13, 2014 10:11:02 AM

Well I guess that you are having major budget issues - 9600GT is very old (5 years or even more) card so for Call of Duty: Modern Warfare 3 you are passing at minimum requirements and lucky if you will able to play on LOW settings

Minimum System Requirements:

CPU: Intel® Core™ 2 Duo E6600 or AMD Phenom™ X3 8750 processor or better

RAM: 2GB RAM

VGA: Shader 3.0 or better 256 MB NVIDIA®GeForce™ 8600GT / ATI® Radeon™ X1950 or better

DX: DirectX® 9.0C or later

OS: Windows® XP / Windows Vista® / Windows® 7

HDD: 16 GB free hard drive space

I don't know your processor, so if it is lower than above - you in deep troubles.

Use this online check to see your current standing http://systemrequirementslab.com/cyri/requirements/call...

Anything else I can help you with?
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