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New computer - display corruption

L

Liddan

n00b
Joined
Feb 4, 2005
Messages
15
Just got my new computer, put it togheter and when I boot it up I get some strange graphic corruption. I can just about to read what it says on the screen but the strange symbols in different colors are all over the screen.

What might be wrong?


PC:
AMD X2 4200+
Asus A8N-X
2048MB DDR-400
Sapphire Radeon X1800XT
Antec NeoPower 500W
3x320GB harddrives
 
Either The Video Card is bad, or you have a wire touching the video card (I know my case, the PCI-E Doesnt lock in place well at all). Check those things before RMA'ing
 
The wiring is fine, checked it several times.

I guess I will have to send the card back, thanks for the reply.
 
try a different power connector to the graphics card.
Make sure the card is properly seated in its socket.
unplug everything except the graphics card and motherboard from the psu as a test.

If you can try another power supply it would be a good idea in case yours is faulty.
 
I tried a different power connector.
Made sure the card was properly seated.
Unplugged everything except CPU, 1 ram stick and the graphic card.

Sadly my old PSU died last week, so I cant try another one.
Thanks for your pointers.
 
Can you completely reset your CMOS?
It could be just a BIOS data corruption or has settings not compatible with your hardware (ie ram speed set too high or too fast timings etc etc).
Failing that...

These are the potential points of failure (in no particular order):
Monitor (and lead ?)
Graphics card
Motherboard/BIOS
CPU
Ram
PSU
Basically a list of everything needed to get a picture on the screen.

As I cant see your screen I cant diagnose if the type of problem you have could be a faulty monitor. Try the monitor on another PC or try another monitor on your PC.

Make sure all the necessary power plugs from the PSU are plugged into the motherboard.
There can be up to 3 different cables! Check your motherboard manual to see its minimum requirements and make sure your PSU is up to the job.
The PSU could still be faulty on the 12V rail as the graphics card and CPU are the 12V hogs.

Try the graphics card in another machine.
Using a less powerful graphics card in your machine may not show the problem if its power related so if you try another card make sure it uses as much power.
On the other hand, if a less powerful card does work, it narrows down the most likely bad components to your PSU or graphics card.

A faulty motherboard can make pretty much any component look faulty.
Its possible the motherboard BIOS is not compatible with your graphics card (it happens) so updating the BIOS may help if you can manage it somehow. If there is no update, its most likely not a BIOS issue.

Check the CMOS (if possible) to make sure the memorys speed and voltage are set to default.
Swap ram sticks and use a different ram slot to rule out a dodgy slot or ram stick.
If possible test your ram in another PC.

Test another CPU in your box or test your CPU in someone elses.
If the speeds are set too fast in the BIOS, the CMOS reset should have fixed it.
Check the CMOS (if possible) to make sure the speeds and voltages are detected correctly
 
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