WHEN BOOTING UP A DELL OPTICPLEX GX240 fan turns on I get 3 beeps
I do not get any picture on screen, I checked the monitor on another cpu and there were no problems.
suspect a bad VGA card. My question is does it matter
if I use any type of video card or I have to install the one for this model ?
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Beeping sounds when you try to boot up? Is your system booting up all the way? Beep sounds help the technician isolate the problem with your computer booting. Beep sounds normally indicate a problem with the memory, cpu, keyboard, fan, motherboard, etc. The number of beeps can be looked up based on the motherboard brand or bios and it will tell what the problem is.
Blue screen could be the windows files getting corrupted due to a virus, file fragmentation or a failing hard drive, overheating cpu or failing memory.
The beeping usually indicates a hardware failure, first open the computer and see it the CPU heatsink is in place properly seated and fan is connected and spinning.
Second with the PC off, remove and reinsert the memory.
These are just a few things to check , most likely the hard drive has failed and needs replacing.
pressing certain keys during bootup can sometimes isolate the issue, but only if the monitor still shows a picture
I hope this helps
If you mean a constant beeping, open the case and see if the CPU fan is running, check also that the heatsink is firmly attached to the board, this noise usually points to a n overheating CPU, if you get no activity on screen,it is because there is no signal being sent to the monitor. Do not operate the computer until you have checked the fan is working, you need to establish if there is power getting to the fan by testing with a multimeter on the motherboard cpu fan pins. If you are getting power, replace the fan, worthwhile removing and regreasing the CPU and making sure it is firmly in place.
If there still is no signal, replace CPU, but also try a different graphics card (faulty video will give 9 beeps).
I need many more information 1) is their a power on the CPU. if yes lets check the monitor, uplug the monitor and turn only the monitor on, their should be some message on the monitor. If no error message on the monitor, possible monitor issue. 2) do you find any error message on the screen 2) If no light on the tower, do you find any light on the back.. please reply to this question