The CMOS battery is located on the motherboard, just under the bottom left side of the keyboard, by the letter 'V". It looks like a clock battery, marked 3V (volts). The battery comes out of its "cage/connector" by gently lifting it with a small flat screwdriver. Replacement CMOS batteries are inexpensive and readily available at any computer shop. Hope that helps
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Re: Gateway 450rog cmos battery
On laptops the CMOS battery is invariably soldered to the motherboard, often it's a tiny silver square component. I'm not familiar with the particular gateway you're referring to, but if there's no obvious sign of something that looks like a battery, chances are it's not the kind of component you can easily change yourself.
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When you turn on the host machine, enter the CMOS setup menu (usually
you have to press F2, or DEL, or CTRL+ALT+S during the boot sequence)
and go to STANDARD CMOS SETUP, and set the channel to which you have put
the hard disk as TYPE=Auto, MODE=AUTO, then SAVE & EXIT SETUP. Now
you have access to the hard disk.
One should not need to. Laptop cmos batteries should last for many years. Some cmos batteries are soldered directly to the board, you would need to dissasemble the laptop to find out.
Not many manufacturers provide service manuals, they dont want the average person to try to take the laptop to bits.
However, i have found your service manual in case you wish to try http://tim.id.au/laptops/gateway/gateway%20450rog.pdf
I have the very same problem, the Drive light turns red, the screen is "black" and the battery charging light indicator on the front is off. No differance if I'm traying to power up on battery or AC-adapter.
Before this problem appeared I had problems where the laptop was powering off, with no warning, and I had to restart it. This happened several times and was going on for about a week before it died totally. Can it be the CMOS battery on the mother board? Anyone having clue what the problem could be?
What I did was removed all the case screws.and gently pulled the front left corner up.(front left as if you were looking at the screen). You will need some hook nosed pliers to reach in and pull it out. replace with same size battery.