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Discussion Starter · #1 ·
Hello all. I have been using these forums for various problems that me and my friends encounter. Your expertise and dedication in helping others has benefited us greatly in the past so thank you :smile:

Before beginning I would like to say English is not my first language so don't mind any mistakes if you find them please, also this will be a long wall of text so sorry for that :1angel:

I have recently came across a problem that I cant simply solve.

The pc I am using now has a very interesting history: a month ago it just suddenly shutdowns dead and I couldnt turn the darn thing on. It turns out the psu died because of the erratic power output of my city and it took the motherboard with it to the grave. I had no protection whatsoever so it was coming. Seeing this as an oportunity I updated my mobo, psu and monitor also got windows 7. Everything was fine until now.

Yesterday I suddenlly couldn't run the Game Overlord II and it came up with an nvdia physx error so I thought updating the driver would solve the issue.

Usually I remove the previous driver when updating and use a program like drivercleanerpro after starting in safe mode etc. However when I tryed to unistall nvdia display from the add/remove programs in windows, my screen went black and after a while the monitor went into power saving mode. Even though I update video drivers regularly this has never happaned before. Later I booted up in safe mode to complete the uninstallation process but monitor would go black in 15-30 seconds after boot, both in safe and normal modes. The only history that migh shed some light on this is that since buying the new system the monitor would sometimes randomly shutdown when I was on the computer but this was so rare i barely remeber it.

I was worried and wanted to get on the computer quick so in that short time frame (15-30 secs) in normal mode I installed the lastest drivers withouth uninstalling or doing a driver sweep and today the pc would not start at all.

All the lights fans and hard disk are operational but monitor is completely black, when its connected to the pc it just goes into power saving mode after a while, but if I unplug it, it asks me to check the display connection so when connected it recognises a connection. From what I have seen in other ppls threads this might be the goodbye song of my video card but I would like to evade buying a new one if possible.

Thing I have done:

-Cleaned all the fans and the case.
-Tried each ram stick separetly.
-Plugged the GPU to the secondary PCI-E slot.
-Cleaned the connecting parst of the GPU and motherboard with paint brush:)
-Tried the second vga access point of the GPU for the monitor.

I dont have a second monitor or GPU so I cant perform tests using those.

Any help would be much appriciated; thank you :smile:

My specs:

-Geforce 8800GT 512 Mb GPU (3 years old)
-MA790x-UD3P ver1.0 mobo (new)
-4 Gb (2x2) KIT 1066MHz DDR2 Hyperx PC2 8500 CL5 RAM (new)
-AMD Athlon 64 x2 6400+ CPU (3 years old)
-XILENCE XP700 PSU (new)
-Windows 7 Professional 64 bit
 

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Re: 'No display' problem after driver install.

My first suspicion is the low quality XILENCE PSU but the 3 yr. old GPU is also a possibility.
Try using the Onboard Graphics. Try another PSU.
 

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Discussion Starter · #3 ·
Re: 'No display' problem after driver install.

Thank you for your reply Tyree.

I know xilence is not a top brand in PSUs but I thought it was atleast decent-medium quality, I hoped so atleast. It seems I was wrong.

This might sound stupid but I dont know how can I use the Onboard graphics card when I can't get into bios and the only connection possible to my monitor is through the external card. I didn't use the onboard unit before so if you can elaborate on how, that would be great. Thanks allot.
 

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Re: 'No display' problem after driver install.

You do not sound stupid at all.
Connect the monitor to the Mobo VGA connector. The Mobo "should" default to the Onboard Graphics.
 

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Discussion Starter · #5 ·
Re: 'No display' problem after driver install.

Thx :) After I did some research It seems my mobo doesnt have onboard graphics. That was why I wasn't able to find a vga connector.

I might have to send it for repair after all it seems :sad:
 

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Discussion Starter · #6 ·
Re: 'No display' problem after driver install.

Sry for double post, but I got an update.

I came up with the idea of connecting my laptop to the monitor as if connecting it to a projector. Laptop started normaly, at the exact moment as my pc however the monitor shuts down. It happens after the windows XP logo. Normaly there would be a very short black screen with only the pointer visible before the explorer kicks in, but my monitor stops recognising the connection there. Not even a couple of restarts makes it recognise after that. Laptop's display is normal during all this time.

To be sure I also checked the same laptop with a projector and it worked fine for hours. So I am fairly certain that the monitor is causing all this trouble.

Im planning on sending the monitor to the service tomorrow. I hope that solves the problem for me. Atleast it saves me the trouble of sending the whole pc.

I will post the result when it comes back.
 

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Discussion Starter · #7 ·
Re: 'No display' problem after driver install.

Ok so the monitor is back and the tech guys wanted to take a look at the pc as monitor was ok :rolleyes:

As you have suggested at the begining both the psu AND gpu were dead, so I had to change those and now there is no problem pc runs just fine. so thx for your advice I should have listened to it sooner but its fixed now so everything is fine :)

thx again
 
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