Tech Support Guy is completely free -- paid for by advertisers and donations. If you're new to Tech Support Guy, we highly recommend that you visit our Guide for New Members. How to get to the BIOS jumper on a Gateway laptop. Discussion in 'Hardware' started by Closer101, Nov 15. I never said it was a failed BIOS update as you.
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The complementary metal-oxide semiconductor, or CMOS, stores the system date and time as well as other settings on your Gateway laptop. The CMOS is powered by a small battery. If this battery runs low on charge or dies completely, you will notice that your system date and time are wrong every time you reboot. You remedy this malfunction by replacing the battery. You can pick up a fresh battery at most any department, hardware or electronics store for a few dollars, and it's fairly easy to install.
1.Write down any custom BIOS settings you may have configured, such as CPU multiplier and RAM latency. Removing the CMOS battery will reset the BIOS to its factory default values.
2.Disconnect the AC power adapter from your laptop. Remove the access panels to reveal the motherboard, using your screwdriver.
3.Look for the CMOS battery on the motherboard. It is located in a circular plastic holder and secured in place by a plastic or metal clip. If you have trouble locating the battery, consult your system or motherboard manual.
4.Apply gentle pressure to the retaining clip, and carefully remove the old battery. Before doing so, however, you may want to test the old battery with a multimeter to determine if the battery is indeed the problem. If it registers at least 1.8 volts, it should be providing enough power for the CMOS.
5.Insert the replacement battery in place of the old one, making sure that the orientation is identical to the original battery (correct polarity facing up).
6.Reconnect the power plug and any other cables you previously disconnected. Reattach the access panels to the laptop.
7.When the system boots, you will need to reset the values in your system BIOS. Access the BIOS setup menu by pressing the 'F1' or 'F2' key on the keyboard. The appropriate key will be displayed on the screen as your laptop is booting.
Things Needed
- Replacement CMOS battery
- Small screwdriver
- Multimeter to test battery (optional)
Tip
- Most laptops require a CR2032 battery, which is a round, dime-sized battery. Some older models use a larger battery that is soldered to the motherboard, but if your laptop was manufactured after 2006, it likely uses a CR2032.
Warning
- Always ground yourself by touching a metal object before you work on the laptop's internal components. Accidental static discharge could damage your hardware.
References (3)
About the Author
Irving Jeffries has been writing video-game reviews/technology articles since 1999. His work appears online at MobyGames as well as his personal website. He has studied towards a Bachelor of Arts in information technology at the State University of New York, Morrisvile.
Cite this Article Choose Citation Style
Jeffries, Irving. 'How to Install a CMOS Battery in a Gateway Laptop.' Small Business - Chron.com, http://smallbusiness.chron.com/install-cmos-battery-gateway-laptop-52596.html. Accessed 30 October 2019.
Jeffries, Irving. (n.d.). How to Install a CMOS Battery in a Gateway Laptop. Small Business - Chron.com. Retrieved from http://smallbusiness.chron.com/install-cmos-battery-gateway-laptop-52596.html
Jeffries, Irving. 'How to Install a CMOS Battery in a Gateway Laptop' accessed October 30, 2019. http://smallbusiness.chron.com/install-cmos-battery-gateway-laptop-52596.html
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