I have removed the battery, set the jumper to clear the CMOS, then reinstalled the battery and still I'm getting CMOS Battery Low, CMOS Date/Time Error. Along side of that I'm also getting Boot Sequence Error. I haven't ever had this problem until I had bought a Solid State Drive and installed it.
I would assume you put the CMOS jumper back to default. You could easy drain your CMOS battery with metallic objects. The unmarked side of the battery is where the contact is. Thus, be careful when you're replacing parts in your computer, or where you place the battery when you take it out from the motherboard. Also, use anti-static wrist strap if possible.
This is usually a very short and sweet step to complete.
After you have changed the CMOS battery over to a new one all you should have to do is go into BIOS set the date, the time and the year. Save the settings in the BIOS, exit and restart the computer.
You have to set the date, time and year in the BIOS first then change it on the desktop.
The proper battery to use for CMOS is a C2023 coin cell battery.
Hope this helps
Testimonial: "I found out from opening the case of this computer I own that the CMOS coin cell battery is C2032. I did research the battery I have that is going low so I bought myself a new battery from Ebay to replace it. Now my last question is simple. Can installing any hardware or software cause a problem with a CMOS battery if it's brand new?"
No. The cmos battery stores basic information like time and date and other user set options done from within the BIOS its self.
The answer to your question is no. The CMOS battery only provides power when the computer is off. We are talking date and time and some basic user settings that make the computer run and operate how you have set it up. Any new hardware or software you install won't be affected by the CMOS battery and the CMOS battery won't affect any new hardware or software.
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