You will need to change the boot order in the bios set-up.
Turn your computer off, and turn it n again (alternatively Restart it) These things may be initiated by clicking the Windows button at the bottom left of tour screen, and from the shut down drop down menu selecting the appropriate option) As your computer is starting up, and the Emachines logo appears on the screen
"Press the "Tab" key repetitatively: If that fails to take you into the BIOSsetup, repeat and try either the "Escape," "Delete," or "F2" keys instead of the Tab key.
Once in the BIOS setu[p, Look through the options until see Boot order, and then change that to CD first, HD 2nd. Exit the BIOS setup with save changes option. Done.
19.February.2015
First - re-seat the harddisk and reboot the computer. If the computer does not boot up then reboot andgo into the BIOS configuration to see if the BIOS detects the hard drive. If itdoesn't detect the hard drive then it could be faulty.Then the hard drive needsto be replaced in the computer/laptop, Windows installed and the computer orlaptop's device drivers plus your programs etc. to get a functioningcomputer/laptop again.
Theres no specific order for power supply wires. Just make sure it is disconnected from a power source and connect the Motherboard and optical drive cables to their respective plugs(plugs are standard for most motherboards).
Main thing you need to know is SATA or IDE (aka .. PATA) Sata or serial uses small half inch wide cables . IDE / PATA uses 3inch wide ribbon cables. Pop the PC open andlook at the hard drive to see the cables attached. Most new drives come with basic instructions.
try F8 when the computer is booting. This should take you to an optional start up menu. Try the safe mode. Did you recently install any devices or software? If you did in safe mode remove them and reboot. Should fix the problem
try booting the computer from the disk somtimes depending on the manufacturer they are bootable somtimes you have to luanch it from an app on a recovery partion which is crazy if you cant use the pc.
my advice find a good technician to recover your data like photos, documents, etc then reload windows to it and download the drivers and start from scratch. i myself am a computer technician and it can be done without to much hastle.
hope this helps and good luck the problem and by the way don't forget to vote or rate this solution
3 long beeps means that there has been memory failure. You may have accidentaly knocked your memory sticks out of place when you opened up your computer. Try taking them out and putting the memory sticks back in, this should fix your problem.
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Hi, if you have already determined that the motherboard and power supply is dead . Then the only solution would be to replace the same. There is power supply tester available in any local computer store. You can get one to check the power supply. Because if the system is not turning on at all, and the same is not caused by a power surge etc. the motherboard still has chance that it is good.