My acer laptop is not booting up

[jothish]

My acer laptop i snot booting so I tried toupg rade my system to windows 7, I tried to boot it with windows 7 bootable cd but still it is not booting

 

[ksiemb]

My acer laptop i snot booting so I tried toupg rade my system to windows 7, I tried to boot it with windows 7 bootable cd but still it is not booting

You have to enter BIOS setup (f2 key) and make CD Drive 1st in boot sequence for the CD to boot.