Pc won't boot after cmos reset

Question

Hi i was working on my m92p thinkcentre and everything worked properly, after i finished working i powered off my computer properly(start->shutdown).
The next day when i pressed the power button it booted but than showed a message saying that it couldn't find an operating system and rebooted and so on (infinite loop of this message). So my first idea was to reset the cmos, i went into the cmos menu by pressing f1 and weiredly it suggested resseting the cmos setting (It never did it before) and so i did but after resseting the cmos i rebooted the computer and the monitor stopped working (No signal).
What i did next was opening the computer case, pulling the cmos battery and putting it back in after a minute but it only made the problem worse.
Now every time i boot my computer nothing appears in the monitor and i hear 2 beeps and that's it, nothing happens next.
What should i do??
Thanks for the help

Answer 1

if the computer making a beeping sound, one of the memory sticks or both of them may have a loose connection. try one memory stick first then try to boot up the pc...if it works attach the seconed memory stick...if its making a beeping sound you have to reattach the memory stick.  another thing to consider is the memory sticks should be compatible to your computers specs.