Just reset you bios and see. I will tell you simple way toreset system for your BIOS
1. On the motherboard there is a small watch battery. Remove this battery alongwith the power cable from the power supply. Hold down the power button to fullydischarge the system. Wait 2-3 minutes then reinstall the battery and plug inyour system. Your reset is now complete
2. Some motherboards have a 3 pin jumper by the battery. Let's say that thejumper connect with pins 2 and 3. follow picture with this link
Remove the jumperwhile the machine is OFF and place onto pins 1 and 2. Now Power on your machinefor a minute. (Note: Your system willnot POST
). Shutdown your machine and put the jumper back to pins 2 and 3. Nowyour system will POST.
Your reset is now complete.
Now you switch off the pc and fit the sata /pata cabletightly. If the problem same please fitthe cable as NEW.If the problem is creating same please install a new DVD/CD RW.
Hopeit solve you