Travelmate

Hi there, im not sure this is the right location for this post. if not apologies. I have an Acer travelmate 6594 series. I turned it on fine about a year ago, then opened it up and realized i didn't have a good enough screw driver to take the cpu guard off. so i half put it back together and...

After powering the laptop on, the backlight is on for 3-10 seconds. If i press the lid switch and release, it will turn the backlight on again for 3-10 seconds. The time it remains on is based on how long i hold the switch pressed but it still varies. Picture with the switch ...

What should the cmos battery voltage read on a Acer travelmate2300?? I read 1.18volts,Which to me is not sufficient...I know from experience that 3volts lithium battery is the norm...This battery's size is considerably smaller though...Any 1 ideas please????thnx