Having problems getting a friends computer working. It boots up, no bios beeps, the monitor is getting a signal but the power light gives the standby blink. I'm thinking it's the on board video but before I order a pci vid card to install I want to make sure it's the problem. Also the cr9f1 or cr9f4(can't tell if it's a 1 or 4) light is blinking but I can't find what this means because I don't have the original manual and the online ones don't have any info on it.
Try resetting your bios.. reset it to system defaults.. check all connections properly.. pc to monitor..etc etc.. if you mean no error code by "no bios beeps" then it's okay.. if you mean even the regular single beep after post is not heard than chances are high that your video card has some problem.
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Have you tried a different Graphics Card, looks to me like the onboard graphics card is at fault, there should be an AGP slot or PCI slot that you can plug a new Graphics card into then you should be fine...
add a external (slot) card for video temp, and see if signal comes up, and boots to Bios, it might have the onboard video disabled if so you should be able to enable it and then pull video card and check the MOBO
Your monitor is probably OK, it is the computer that probably has the issue.
On a great number of e-machines that I have worked on this is caused by the following:
1) Failed power supply unit. Swap with another of equal or greater power. Caused by failed capacitors in the power supply.
2) Failed capacitors on the motherboard. Look at all of the cylinder looking things on the mother board. If ANY of them have a bulged/raised top or are leaking fluids then you have bad caps( capacitors) and the motherboard is bad. Caps can be replaced by an experienced person. Caps should be perfectly flat. I have had several e-machines in the shop with this same problem.
3) Failed video card.
4) Failed processor.
What is most likely happening is that the computer is not passing the POST (Power-On-Self-Test) and therefore does not get to putting the video output to the monitor. When the monitor gets nothing from the computer it will display the message you are seeing. In a majority of e-machines that I have seen it is caused by bad caps on mobo and PSU.
If the machine is out of warranty then open the case and look at your motherboard (mobo), you may need a flashlight. If you could respond back and let us know if you have done this and if you have no bad caps, then what are you getting from the computer:
Fan turns on, CD lights briefly, Hard drive is spinning, etc. Also listen for beeps.
If all you have done is upgrade the memory, take out one stick of memory and see if the computer will start up. If it acts the same way it has been acting, take out the other stick of memory and put the first stick of memory back in. You could have a bad stick of memory. Does the computer make any beeping noises when you try to start it? Those beeps are the BIOS way of telling you there is a problem. One BIOS beep means the system is starting if you have more than one beep, there could be a problem, the number of beeps along with the brand of BIOS will give you a clue as to what the problem is. Once you know the number of beeps and the brand of BIOS you can search the Internet for what the problem might be. Your monitor showing "NO SIGNAL INPUT" is its way of saying "I'm ok but something else is wrong".
Based on your previous troubleshooting, with both built-in video and alternate video card, I'd guess you have a bad mobo. Anything else that was wrong with it (RAM, CPU, etc) and you'd get beep codes.
Sounds like it's time for a replacement board. If the eMachine is out of warranty, it might make more sense just to go ahead and upgrade now, as they are so inexpensive. If you are capable of replacing the board yourself, that would be the cheaper alternative.
Hope this helps - remember to rate (and great troubleshooting, btw!)