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How do you change the cmos battery on a acer aspire 5715z

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  • Jason Halliday Nov 06, 2008

    thank you, but is the battery under the keyboard or the back cover?

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  • 31 Answers

Locate a button cell usually cr2032 and replace it use a small screwdriver

Posted on Nov 06, 2008

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Cmos settings for acer aspire m5641


to reset the cmos you only need to take the small round battery off the board for a few minutes. if your laptop is not keeping time then you need a new battery on the board. ( you will find you cant get on websites when your laptop has the wrong time on as its a security risk ) to enter the bios ( which i would not if i didnt know what i was doing ) turn off laptop/press power button to turn it on/keep pressing F2 while its booting up ..but be careful in there

May 24, 2015 | Acer PC Desktops

3 Answers

Aspire x1800


Setting up a password on the Acer Aspire prevents others from accessing the computer without permission.

If the user is unable to supply the correct password at startup, the computer will lock the hardware and fail to boot.

This security measure is a useful feature, but it can create serious problems if you forget the password.
Basics

The Acer Aspire stores the password in a component called the complementary metal-oxide semiconductor.

This component is integrated into a random access memory chip embedded on the motherboard. The CMOS holds data that the basic input/output systema critical software utility that controls how the computer operates at startupaccesses when the computer boots.

If the BIOS detects that a password is registered in the CMOS, it will prevent the computer from booting until the user enters the password correctly.

Depending on which model of Acer Aspire you own, you may be able to clear the CMOS manually.

Contact Acer before attempting to clear the CMOS, as opening the computer without permission could void your warranty.

Desktop Models

Some Acer Aspire desktop models come with a jumper that is used to clear the password and other settings stored on the CMOS.

This jumper is located on the motherboard and is often found next to a label such as "JBIOS1" or "CLR_CMOS." To clear the CMOS using the jumpers, turn off the computer, disconnect the power cable and remove the case cover.

Remove the jumper shunt from pin 1 and pin 2; then place the shunt on pin 2 and pin 3. Return the shunt to its initial position after 10 to 15 seconds.

If the Aspire doesn't come with a jumper to reset the CMOS, the CMOS can be reset by removing the lithium coin-cell battery instead.

Removal is accomplished by pushing down on the tab securing the battery to the motherboard and lifting the battery out of its slot.

Leave the battery out for 24 hours, and then return it to its original position with the positive sign facing up.

Laptop Models

Resetting the CMOS password on an Acer Aspire laptop is much more difficult than resetting the password on a desktop.

Disassembly steps vary from model to model, but on most models, you'll have to take apart the computer to access the CMOS battery.

Don't take apart the notebook if you don't have experience disassembling PCs.

After turning off the computer and disconnecting the AC adapter, take out the battery (different from the CMOS battery).

All visible screws must then be removed from the bottom of the notebook.

Remove all components stored to their separate compartments on the base of the notebook.
Turn over and open the PC.

Lift up the switch cover and remove the screws securing the keyboard to the PC, if any are visible.
Remove the keyboard.

Remove the screws securing the monitor to the hinges, and then set the monitor aside. Disconnect all visible cables connected to the motherboard; and then remove the screws from the top cover.

Remove the top cover to reveal the motherboard.
Locate and then remove the CMOS battery.

Leave it out of the notebook for 24 hours; then reinstall it and reassemble the Acer Aspire.

Other Options

If removing the CMOS battery fails to clear the password, or if you don't feel comfortable with the idea of opening your computer, you might be able to gain access to the computer using a backdoor password.

These special passwords were implemented to allow technicians to access locked computers. Not all models recognize backdoor passwords.

Most Acer Aspires use the Phoenix BIOS, and backdoor passwords for this BIOS include "BIOS," "CMOS," "phoenix" and "PHOENIX."

All of these passwords are case-sensitive.

May 04, 2014 | Acer Aspire PC Desktops

1 Answer

I have an acer aspire ast180-340b, I upgraded the cpu from Sempron to AMD Athlon 64 x2 3800+ but the computer keep saying I need to clear cmos. How do I clear cmos on this computer ?


Hello, I am the technician that will be assisting you today. My name is Norman-Wynne Damstra.

Welcome to Fixya Van Pham.

I have published a guide that deals with this very topic, it is entitled How do I reset my BIOS/CMOS to defaults?
You also may want to see the following guide entitled, How to Remove the Side Panels of My Computer Chassis!!!

Basically you will need to remove the CMOS battery found on the mainboard for a few seconds and then reinsert it again.

Take care!
Norman-Wynne Damstra

Nov 01, 2011 | Acer Aspire (AST180-US340B) PC Desktop

1 Answer

Acer aspire x1301 u9052 wont boot


Im not 100% sure about this but may i suggest you change the CMOS battery on the Motherboard, there is a chance that it is flat its a very common battery that you can purchase from your local store, but just change that and let me know what happens

Jun 19, 2010 | Acer Aspire X1301U9032 (PTSCM02007) PC...

2 Answers

How do i change the CMOS battery in Acer L100?


Your manual will describe exactly what to do. It is not difficult.

Nov 11, 2009 | Acer Aspire L100 PC Desktop

1 Answer

I have a acer m1641 when i am using it, it shut down and i can't


Check your system board(motherboard) for a CMOS reset jumper. usually located near the CMOS battery. change it over to the "reset" position. wait 5 mins boot pc. if it makes it to windows. shut down move the jumper back to the original position and try to boot.

Jun 08, 2009 | Acer Aspire M1641-U1521A PC Desktop

1 Answer

I need to replace the cmos battery on my acer aspire 5630,


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

Jan 17, 2009 | Acer Aspire™ T180 PC Desktop

1 Answer

How do i reboot my acer aspire 3000 to factory defaults


you have 2 options
1) when u enter cmos setup press F9
2) clear clear the cmos by removing the cmos battery

Nov 22, 2008 | Acer PC Desktops

1 Answer

My acer notebook aspire 5715Z/5315 is in fench{canada} how do i set it back to engish?


Go to:

- Start
- Control Panel
- Regional and Language Options

You should be able to decipher enough French to locate those things.

Aug 31, 2008 | Acer PC Desktops

2 Answers

Acer aspire e500 won't turn on


Check that all the power supply units are switched on( Wall Plug, UPS, CPU), If all is ok and the problem exists, replace the CMOS battery.( if the sys works replace your CMOS Battery, configure the cmos settings also)

Jan 03, 2008 | E-Machines T1360 PC Desktop

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