Question about Acer Aspire™ T180 PC Desktop

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On startup goes to bios update screen

To get out i have to press f2 to go to default settings i then have to reset time and date this happens every 2nd or 3rd restart,hope you can help,thanks.

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Hi,
this means that your internal battery on the computer ie. the one that is present on the motherboard has gone out, you will need to replace the battery,
if you are comfortable with it you can replace it on your own, for that

unplug all the cables from the back of the system tower,
press hold the power button for 15 sec to release any flea power to avoid shock
and the open the system tower, it will be a button shaped battery, you will need to replace it
here is a helpfull link
http://www.hardwaresecrets.com/article/81

Further Queries are welcome
if you think my solution was helpfull please do rate me

Posted on Feb 26, 2009

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Posted on Jan 02, 2017

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HOW TO REST MOTHERBOARD AFTER CHANGING BATTERY


If you changed the CMOS battery you in effect reset it. On boot up, go into the BIOS setup and check all settings. Even if you don't change any of the BIOS settings, save them as if you did and it will reboot. Should be OK then.

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Try this. Right out of the manual. The reset button is the little pin hole next to the power. Will need a paper clip that is straightened.

Entering the BIOS Setup
BIOS (Basic Input and Output System) stores system hardware
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In normal circumstances, the default BIOS settings apply to most
conditions to ensure optimal performance. Do not change the
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1 Answer

Cmos incorect perriferique non specifier


google translated

incorrect CMOS device not specify

CMOS device(electronics)

A device formed by the combination of a PMOS

(p-type-channel metal oxide semiconductor device) with an NMOS (n-type-channel metal oxide semiconductor device). Derived from complementary metal oxide semiconductor device.

The CMSOS is only a battery to store you're bios/mainboard settings.
CMOS is an on-board semiconductor chip powered by a CMOS battery inside computers that stores information such as the system time and date and the system hardware settings for your computer..

The moment that you unplug the power and remove the battery for at least 10seconds, the mainboard will reset it self into the 'default-state'.

This can also be done by selecting 'reset to default settings' in bios screen.

Restart your computer
During the boot process you will see on the screen to press a certain key to enter setup usually the Delete or F2 key
this will vary depending on your computer and operating system

Press and hold that key during the boot up process to enter BIOS using the arrow keys load failsafe defaults or load optimized defaults press escape then press f10 to save to cmos to restart

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If time and are wrong, set them to correct and save settings. If system keeps losing time and date after power is removed, then the backup battery may need to be replaced.

If HDD is not detected, then reseat it. If still not detected replace it.

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