What Cmos battery do I need on my Acer Spire T180

It is inside the PC itself, somewhere on the motherboard, round cell, Nominal diameter is 20 mm, nominal height is 3.2 mm.
But seems need an expert to change it.

Hi

It will depend on the type of CMOS battery you have but most of them are 3V watch type to remove these type, there are normally 2 small metal clips at the top end of the battery holder, you push these in and the battery is then released, or there if not use a small watchmakers flat head screwdriver down the side of the battery and gently lift it out, then just push the new one back in making sure you have the polarity correct

Cliff Cook

MCP

They are all the same size at least the last 200 i can remember were
SONY CR2032 Equivalent CMOS battery

Hi,
You may need to replace the CMOS battery in your desktop but first:-

• Check the power connections.
  

• Disconnect power to the desktop.
• Remove and re-fix the hard disk.
  
• Remove the CMOS battery and connect power without it.
• Now power it up.
• Your desktop may run without the CMOS battery,[untill you replace] but you will be forced to re-set the date and time everytime you start it.

Hope this helps.Thanks!
Please rate this free answer.

Hi.

There is a problem with the on-board video or the graphics card. If you have a standalone graphics card in the computer take it out, clean the slot and the brass contacts on the card and re-seat it.
Also reset the CMOS by removing the power cord and take out the motherboard battery for 20 minutes. Re-insert the battery and power cord and see of the computer will boot up with a display on-screen.



Good luck.

It appears that someone has placed an Administrator password on the machine. To reset the Administrator password, unplug the desktop, open the side cover, remove the CMOS battery for 10 minutes. Then replace the battery, cover, plug the machine back in and reboot, hitting ALT+F10 at the same time to enter the recovery mode.

If you cannot access the machine after if has been powered up, it is still possible to get past the BIOS password. The BIOS password is stored in CMOS memory that is maintained while the PC is powered off by a small battery, which is attached to the motherboard. If you remove this battery, all CMOS information (including the BIOS password) will be lost. You will need to re-enter the correct CMOS setup information to use the machine. The machines owner or user will most likely be alarmed when it is discovered that the BIOS password has been deleted.

This is the problem of SMPS........................
Try to get a new SMPS................

if you remove cmos batt. then the default bios is loaded....you can find it on the mother board a round shape battery..

I think you cmos battery is dying... try to replace it.. and configure your cmos bios at exact date and time...