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How do I replace the CMOS battery in my Sony Vaio PCG-272L all-in-one computer?

The time is no longer kept. I want to replace the CMOS battery on this PC. Where on the motherboard do I find it?

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  • 106 Answers

Look for the round silver circle on the board. Disengage the lock and just pull it out. Put in a new battery. A battery can be found in just about any hard ware store.

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

  • 35 Answers

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

  • 149 Answers

SOURCE: CMOS battery

the cmos battery is under the palm rest of the viao....requires you to take off the keyboard and undo 2 screws holding the palmrest on....slide the palmrest off....battery is plugged into the touchpad circuit board

Posted on Dec 15, 2008

HW_Dude
  • 87 Answers

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

  • 20 Answers

SOURCE: I have a Sony VAIO PGC-272L that ignites the

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Posted on Jan 03, 2010

walesarumi
  • 6993 Answers

SOURCE: The screen is white u

Hello,

Firstly, connect your laptop to an external monitor and observe if there would be any display. If there is display, then it means, your laptop screen, screen flex or screen inverter is defective, that's why its not display.

If you know about laptop repairs you can dismantle the laptop, remove the screen and screen inverter, use another laptop to test it so that you can know precisely which is bad and make necessary replacement.

But if you cannot do this yourself, then you will be needing the assistance of a repairman to help you test which is faulty between the screen and inverter.

Good luck.

Posted on Oct 07, 2010

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If you mean the cmos battery you will probably need to take the laptop apart - if you are lucky it may be under the keyboard - look at the screws on the back and see if any show symbols for keyboards.

There is a vaio manual here.
https://docs.sony.com/release/PCGFX170.PDF

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Instructions
    • 1 Open the Vaio screen until you can easily access the keyboard.
    • 2 Locate the plastic bar that borders the top of the keyboard. Insert the flat head screwdriver at one end of the bar and gently pry it up until you can grip the edge with your fingers.
    • 3 Pry the other side of the bar up with the screwdriver and pull out the entire bar, being careful to mind the ribbon cord that connects the keyboard to the computer.
    • 4 Remove the two screws on either side of the keyboard that secure it to the computer. Slide the keyboard up and place it to the side.
    • 5 Remove the four screws on the exposed metal plate that covers the motherboard and remove it. You should now see the CMOS battery in the bottom-right-hand corner of the motherboard.
    • 6 Remove the battery by gently pulling it up and off the motherboard. Replace it with the same model battery (available at any computer store or online). Reassemble the computer the same way you took it apart.

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How to reset bios password on sony vaio laptop?


Hello,
Please open you vaio laptop from bellow instruction link.
http://www.insidemylaptop.com/how-take-apart-sony-vaio-vgn-sz-series-laptop/

Follow step 14
You can manege the idea about CMOS battery.

http://www.insidemylaptop.com/disassemble-sony-vaio-vgn-bx-series-laptop/

Follow step 11

But this is your actual model
http://www.insidemylaptop.com/?s=PCG-K33+PC+Notebook
Just remove the Cmos battery And wit 2 minutes again fit the battery .Your password will be soon reset.

Hope it will help you.

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Sony vaio pcg-272l all in one with catv connection bios screen password can't get pass it is there a soloution


To reset the BIOS read the information from this link.

In case of your laptop the easiest method would be using software from Hiren's Boot CD as it's pretty hard to open it up and reach for the CMOS battery or the jumper.

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open the case at back of your notebook you will see the motherboard, look for the battery just a size of a coin, thats the cmos battery and replace it with a new one.

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Can anyone tell me where the cmos battery is on a Sony Vaio PCG-7


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Upgrade memory - computer now won't turn on or boot


Follow this link to do it,

http://support.vaio.sony.co.uk/tutorials/memory/memory.asp?m=2108&site=voe_en_GB_cons


Hope this helps

TC and Cheers!!!!!!!!!!!!!

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