I just put a new power supply in my computer because before it would flash amber light. now that a new one is in, it sounds like computer is working, fans are running. when it first starts up i get a series of beeps about 5 and then they stop, monitor says no signal, i tried unplugging and plugging all plugs
If the beeps when u turn the pc on are longer than normal this can mean that something to do with the computers memory is malfunctioning. Check the memory processors, and memory related itmes in the pc to check for loose connections.
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Check physical connections first, check monitor cable if securely plugged in and then check power light of monitor. If power light on monitor is amber or yellow it means that monitor is not getting a signal from cpu/ tower. Try to do a power drain on the computer, remove power cable at the back of the computer and then press and hold the power button for 10 secs, after that plug in power cable again and restart the computer.Check if there is any connection if not then try to use another monitor, a known good one. If you get a video from another monitor it means monitor is already defective.
Try these (un order of degree of difficulty)
1. Try replacing the battery on the system board. it is typically a CR2032 button-style battery. This helps if the computer has been off for a long time.
2. Make sure all dust has been blown or vacuumed out of the computer.
3. Check to see if the USB pins are bent inside the connector on the back and the front of the computer. Straighten if possible.
4. Remove add-in cards, fans, shrouds, and heatsinks, then check the system board for leaky or mushroomed capacitors. If you would like, this may also be a good time to see if the processor is seated correctly or possibly short-circuited (burned black on the bottom, burnt or missing pins, etc). If it is any of these, you may need a new system board (motherboard)
5. It may be that you need a new power supply. Do your best to make sure that it will fit your computer case and have all the power connectors you need; they are not created equal.
Is the green flashing on the tower or the monitor?
If it is flashing on the monitor, then it might be tht the monitor is not gettign signal from the tower.
To check, disconnect the monitor from the tower and check the monitor. If you get a msg on the screen like no input signal or check video cable, then 99% monitor is fine.
Check for the power supply light at the back of the tower.
Disconnect everything from the computer and then press and hold the power button on the comp for about 30 seconds.
Then connect the cables and check if it is working.