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I have the same problem. I need to find the CMOS battery on an Acer Aspire 5100 laptop. I have heard that it is soldered to the motherboard but this has not been confirmed. Acer Support is useless even though I have a 3 year extended warranty. All they say is send it in and we will fix it.
I have the same problem. I need to find the CMOS battery on an Acer Aspire 5100 laptop. I have heard that it is soldered to the motherboard but this has not been confirmed. Acer Support is useless even though I have a 3 year extended warranty. All they say is send it in and we will fix it.
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The CMOS battery may see when and removed the key board on top of
laptop and under cover of the battery you are looking for, careful to leave only
the battery
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Maybe you even cen get a video for your make and mode of laptop, introducing in a ggogle search term
Youtuba, change cmos battery, your make and model of laptop
General info All laptops have a CMOS battery. The main purpose for the CMOS battery is to store the system time, date and BIOS settings even if the computer is turned off or the main battery dies. Individual Acer Aspire laptop models differ somewhat, but the general steps are the same when replacing a dead CMOS battery.
Before you start 1) Read through the owner's manual for your particular Acer Aspire laptop to determine what kind of CMOS battery you need. 2) Purchase the battery through Acer or a local or online computer parts dealer. 3) Turn the laptop off and unplug it. Also unplug any external hard drives, cameras, or other external devices. 4) Turn the laptop over (bottom facing up), then touch something metal to remove static charge.
Removal of the CMOS battery Remove the Phillips screws that secure the motherboard cover (refer to your owner's manual if necessary), then release the cover from the clips on the bottom of the plastic casing. Lay the cover aside then locate the CMOS battery cable on the right side of the motherboard. Unplug the cable then remove the battery.
The battery should look something like this
Plugging the new battery in Plug the new CMOS battery cable into the motherboard. Slide the battery partially under the laptop casing (somewhere to hold it in place), then align the cover with the slots on the bottom of the laptop housing. Replace the screws then turn the laptop back over.
Finalizing 1) Turn the laptop on. 2)Enter your BIOS (usually by pressing the "Delete" key) before the operating system loads. 3) Follow the BIOS prompts or refer to your Acer Aspire owner's manual to reset your time, date and desired system settings.
Reason: Anytime the CMOS battery is unplugged for more than a few seconds your BIOS will be reset to the default manufacturer settings. If you make any changes to the BIOS that cause problems with your Acer Aspire, unplug the CMOS battery for 3 to 5 seconds to correct the problem.
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Cmos battery is usually a 3 V button battery, there are variety of different brands so you need to open and check it.
eBay: ACER ASPIRE 7741G 334G50 MS2309 CMOS BATTERY - 476 http://www.ebay.com.au/itm/ACER-ASPIRE-7741G-334G50-MS2309-CMOS-BATTERY-476-/161408573087?pt=AU_Components&hash=item2594b35e9f&_uhb=1
2035, 2032 can be bought from any super market or hardware store. Need to open the PC, locate the battery, which is normally clipped to the mother board. Use a small screw driver and lift out. If battery is soldered to the mother board then need to access under the board and de-solder carefully without damaging the tracks.
Press F2 (during POST) to enter the BIOS utility. Or if you want to clear the cmos, just remove the removable coin shaped battery for some ten minutes to do the same effect as "clear cmos jumper".
All laptops have a CMOS, or "Complementary Metal Oxide
Semiconductor," battery.
The main purpose for the CMOS battery is to keep the system
time, date and BIOS settings even if the computer is turned off or the main
battery dies.
Individual Acer Aspire laptop models differ somewhat, but
the general steps are the same when replacing a dead CMOS battery.Preparation
Read through the owner's manual for your particular Acer
Aspire laptop to determine what kind of CMOS battery you need.
Purchase the battery through Acer or a local or online
computer parts dealer.
Turn the laptop off and unplug it.
Also unplug any external hard drives, cameras or other
external devices.
Turn the laptop over (bottom facing up), then touch
something metal to remove static charge. Removal
Remove the Phillips screws that secure the motherboard cover
(refer to your owner's manual if necessary), then release the cover from the
clips on the bottom of the plastic casing.
Lay the cover aside, then locate the CMOS battery cable on
the right side of the motherboard. Unplug the cable, then remove the battery. Installation
Plug the new CMOS battery cable into the motherboard.
Slide the battery partially under the laptop casing to hold
it in place, then align the cover with the slots on the bottom of the laptop
housing.
Replace the screws, then turn the laptop back over. Settings
Plug the laptop in and turn it on.
Enter your BIOS (usually by pressing "F1,"
"F2," F10" or the "Delete" key) before the operating
system loads.
Follow the BIOS prompts or refer to your Acer Aspire owner's
manual to reset your time, date and desired system settings. BIOS Reset
Any time the CMOS battery is unplugged for more than a few
seconds, your BIOS will be reset to the default manufacturer settings.
If you make any changes to the BIOS that cause problems with
your Acer Aspire, unplug the CMOS battery for 3-5 seconds to correct the
problem. http://support.acer.com/us/en/default.aspx
I have the same problem. I need to find the CMOS battery on an Acer Aspire 5100 laptop. I have heard that it is soldered to the motherboard but this has not been confirmed. Acer Support is useless even though I have a 3 year extended warranty. All they say is send it in and we will fix it.
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