How i change the CMOS battery of acer aspire 4530?

Yes, laprops have a CMOS battery and it can be changed:


Tutorial How to replace the CMOS battery in your laptop


laptop cmos battery


CMOS battery hack Laptop CMOS battery


Acer Aspire CMOS battery Acer Aspire losing date


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

no, cmos batteries are not soldered to the motherboard nowadays

I know some methods to reset bios password.

1. The best and easiest method: Close OS and shut down the electricity power of computer. Open your computer box, take out the cmos battery from the mainboard. Then the bios password will be reset to blank. Put it back after a few minutes.
Reset ACER Aspire 3610 BIOS Password - Only 8 Steps


2. Follow some tutorials. For example the tutorials:
Reset HP / Dell BIOS Password. http://findpassword.net/reset-hp-dell-bios-password/

Top 3 methods to crack bios password!

3. Use the bios password recovery tool , but that is not free!

So I would suggest you the 1st method. Hope it helps.

Hi
I am giving you another model for dis assembling and from this way you can change your cmos battery.

http://www.insidemylaptop.com/take-apart-acer-aspire-5520-laptop/

Remove the CMOS battery from socket and change .
For Purchase
http://www.buy.com/sr/searchresults.aspx?loc=33409&sid=48

http://www.bizrate.com/travelmate-cmos-battery/?sc=1

http://www.buy.com/retail/searchresults.asp?qu=cmos+battery+for+Acer+TravelMate+4150LCi+PC+Notebook&queryType=home&storeResults=0&cb=338259E-02

Hope it will help you.

Speaker is faulty. If the laptop is in warranty, get it replaced.

http://shop.ebay.com/i.html?_nkw=ASPIRE+4530+battery+&_cqr=true&_nkwusc=ASPIRE+4530+batterry&_rdc=1

Turn off your laptop and turn it upside down there are symbols (1) is a battery unlock it and take it out. Go to Acer web sight and ordfr it.

My Acer Aspire 4530 Wireless (Atheros AR5891) missing

http://support.acer-euro.com/drivers/notebook/as_4530.html