3 beeps is usually a memory error. In fact, it means there is a failure within the first 64KB of system memory. You can usually find out if one of your ram sticks is bad by taking a stick out and turning the PC back on. If it boots, you found the bad ram. If not, replace and try again.
Once you can ever get it to boot, you can go to memtest (http://www.memtest.org/) and download the auto installer for USB key and boot from USB (usually by pressing f12 or del, depending on your bios...it will say on boot up). This will tell you if you have any further ram issues.
If this doesn't resolve your issue, the other option 3 beeps can mean is a bad motherboard or other system device (worse case scenario, and fairly rare).
Hope this helps...
Hello
The three beeps normally due to RAM defect, check the RAM stick if it is placed properly, re-install the RAM module, els replace the RAM.
Hope this helps, if so do rate the solution
Normally this is an sympton of your harddisk crash. But would recommend you to try few steps try disabling few hardware items one by one and then check if the computer boots up like disable CD Drive it that works then the problem is with cd drive. and then graphics card and try the trail and error methods.
Note: Perform the steps only if you are aware about how to remove and add the hardwares back to your computer if not take the computer to the techician who will perform them for you.
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long steady beep over and over, monitor won't turn on.
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