Screen Flashes when starting computer then stops.

[Noximana]

Hello, I have windows vista ulti on my computer, when ever my computer starts my screen flashes repeating itself untill it stops flashing, its giving me a headache so i thought maybe its a system error so I backed up my system and reinstalled windows but to have the same problem coming on.

This is also been going on befor, befor this i bought a new GFX card diffrent company even. went from Radeon to GeForce. This problem is kinda new but the computer equiptment isnt that old. i had this system i built for about 1 year and a half now.


System Spec :

Motherboard : Socket 775 Asus P5LD2 Delux
CPU : Intel 775 Dual Core 64 Bit, 2.6
Ram : OC 4x512 5200 DDR2
Hard Drive : 3x Western Digital 120gb, 250gb,120gb 1xMaxtor 200gb
Screen : 1x DVI Viewsonic 19" 1x AGP->DVI (This is not the screen doing it) Sansun syncmaster 913v.




Please help

[crenn]

Check your PSU to see if it's powerful enough

[Noximana]

I beleave its a 550 Wat. should be powerfull enough. beleave all i needed was a 500 i went with 550 just to make sure

[crenn]

What graphics card are you running?

[AMD Killa]

What about your monitor, have you tested it with another computer yet?

Try changing the refresh rate in the display settings. It should stop you from selecting ones that wont work with your monitor.

[FuzzyPlushroom]

My first reaction is to check out the monitor - when you list both of them, do you mean that you have a dual-screen setup, and only one of them is flickering/flashing, or that you've tried two known-good monitors with the same effect?

[killergamer]

Is it posting then loading up and then after it boots the screen starts flashing or right away? DO you hear any beeping when powering on? Does the board have on board vid that you might need to turn off? All little things that need to be solved to understand at a better detail. Ohh did you just now install the new cards? Maby you need to update drivers... Sorry cant help that much never gotten the chance to build a actual computer and put drivers on. most of what I go off is from reading Internet. Yes please tell us the vid card specs too.

[Noximana]

1. The Graphics Card is a GeForce 8600 GTS its only a couple months old bought it after i had problems with my old one.

2. There is no Onboard Video Card.

3. Whats really freaking me out is that i am on a dual Monitor Setup and only Screen 1 Blinks. Screen2 is perfictaly fine.

4. The Problem goes like this i Wake up, start my computer and it blinks on and of first fast then progressivly gets slower and finaly stops. after it stops its like it nothing happened, i can restart my computer again and it wont happen. it only happens if the computer is off for a certine ammount of time.


5: It happened on windows Vista Ulti 32bit and 64bit wich im now on, i upgraded all possibal drivers to latest.



Hope these answers help.

[FuzzyPlushroom]

Re. #3, have you tried switching the left and right monitors? That could determine whether it's a monitor issue, or whether it's somehow based on the DVI port used.