Hi I have a sony vaio PCG-3E2L,How I can to clear the CMOS ? Is there battery jamper ? (CMOS didnot clear with removing the battery)
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The CMOS is a block of static RAM that will lose its data if power is removed.
most newer laptops are using a small block of Flash RAM (perhaps a block of addresses within the Flash BIOS chip itself) or other type of EEPROM chip to store the password.
No amount of removing batteries and pressing power buttons will change it
http://esupport.sony.com/US/perl/model-documents.pl?mdl=PCG-3E2L
you might get some more information from the manual
hope this helps
Posted on Jul 24, 2012
SOURCE: CMOS Battery Replacement
No access panel for that. That is located on the motherboard. You will have to take of the keyboard to get access to it.
Posted on Aug 19, 2008
SOURCE: sony vaio VGN FJ290P password reset sony vaio VGN FJ290P
I have set the password for administrator when i entered the bios set up. you can change its setting but not the configuration unless you've entered the password. you can't change the password with a new one if you cant enter the old password. Next time dont forget your password because laptops has its security even when stolen you cant open its bios set up if its protected by password. CMOS battery is in the mother board. You need a service technician to open your laptop to reset the bios setup battery.
Posted on Oct 11, 2008
SOURCE: How Replace CMOS Battery in Sony Vaio VGN-FS742 / PCG-7D2L?
Here is are disassemble instructions for you,
Good Luck
Posted on Jan 11, 2009
SOURCE: how much is a SONY vaio pcg-3e2l?
Research it on the internet. Don't forget to add shipping. The price will vary from site to site.
Posted on Jul 25, 2009
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