PC is running, but monitor not responding...

J

Justzen

New Member
Today, I went over to a friend's place to help his tuition teacher repair his computer, or rather, to get it working, since he just upgraded.

And, well, thanks to ComputerForum.com, I've picked up quite a few hardware tips and managed to get the computer running, as initially, it couldn't even turn on, and the PSU is new too.

PSU was 450W, so it shouldn't had been the problem.
Then it leaves us to the wiring, the part where I was a little confused as I have no hands-on experience, but a little contextual knowledge.

So I played with the wires, looked at the motherboard for the mini words printed in white to check if I had put the correct wires in place, and then I "screwed-up" the PSU and it started working miraclously!

However, there was one problem.
When I plugged the monitor up, a CRT monitor, it was no signal at first.
Then the monitor lamp (uh, the light that indicates that the monitor is on) started blinking, and then I thought to myself, oh-no.

So, can someone list the possibilities of what might be happening?

1) monitor too old and not compatible?
2) problem lies with CPU? (unlikely, everything was running smoothly, only no monitor)
3) suggest some?

Thanks for your help guys!
Appreciate all the help I can get :)

Once a learner, always a learner.
 
I had the same problem when i upgarded my pc and it turned out to be the ram. I took out one stick of ram and it booted up fine.
 
Check the memory and the monitor connector/cable to see if there are any loose crooked pins.

also, what type of upgrades did he do? where they all compatible with his motherboard/pc?
 
statue12 said:
I had the same problem when i upgarded my pc and it turned out to be the ram. I took out one stick of ram and it booted up fine.
Click to expand...

ive had that happen to me before too, and it was my ram also
 
first cheak, ur monitor show yellow blinking or green near swicth button .If yellow then ur cpu dont attached with ur monitor or if green then ur cpu is ok may be problem in monitor, if nothing then ur monitor power supply is not working
 
rajivdigital said:
first cheak, ur monitor show yellow blinking or green near swicth button .If yellow then ur cpu dont attached with ur monitor or if green then ur cpu is ok may be problem in monitor, if nothing then ur monitor power supply is not working
Click to expand...

dznutz said:
try using another monitor. if that also doesn't work i'd suspect the video card.
Click to expand...

footballdude2k3 said:
my friend had this once it was the videocard, other time once my dad had probs with the monitor from something similiar to this.
Click to expand...

Ok, you guys do realize this thread is almost two years old right?
 
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