Question about HP PHOTOSMART 7520 E-ALL-IN-ONE

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How to replace a CMOS battery in a HP 7520 printer

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Posted on Jan 02, 2017

bronk50
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SOURCE: how do i replace a cmos battery in my hp compaq nc2400

I was unable to locate your specific laptop this might ge you some in sight in what to look for and how to remove cmos battery remember some cmos batteries are soldered in
RTC battery replacement procedure on Compaq HP Mini 110 netbook & clear CMOS http://www.youtube.com/watch?v=P_cxAireIsw

Posted on Feb 26, 2013

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SOURCE: hp pavilion dv4 1280us CMOS battery error code 502

Only the coin battery on board. They come different ways. Mine had a battery with a wire connected, another had just a coin size 2020. Different configurations around but ow days its just a coin size battery.

Posted on Mar 26, 2014

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I have a HP 7520 printer which is connected by wireless to my Apple Mac 21 computer. Can I also connect by cable an elderly Pc operating on Microsoft XP.


I have setup HP printers with both connections with no trouble even though their manual said to disconnect usb after wireless setup. I don't know if this would work with every model. I am including a link to the manual pdf for this model and a link to an HP employee discussing this on a different model. I would just try it.

Manual
http://www.hp.com/ctg/Manual/c03456524.pdf

HP Support
Re Can use both USB Wireless connections on OfficeJet 6700

Feb 18, 2015 | HP Hewlett Packard - Photosmart 7520...

1 Answer

Will the hp photosmart printer use 8x10 photo paper?


You will have to check the equipment driver itself. While attempting to print, try changing the page size (go to page setup). This will give you an idea.

Sep 07, 2014 | HP PHOTOSMART 7520 E-ALL-IN-ONE

1 Answer

Hp 7520 carriage slams back & forth


Sounds like a defective printer that you may need to replace. If you ever need the ink for it, please let me know. Damien @ iPrint Technologies - 818.700.7419

Aug 28, 2014 | HP Photosmart 7520 All-in-One Color Inkjet...

1 Answer

Which router works with aol and apple iPad so I can airprint


Any wireless device should work. Add the HP Printer App form the iPad App store. Is the HP 7520 Printer AirPrint compatible?

Jan 30, 2013 | Computers & Internet

2 Answers

Can you remove cmos Battery from acer aspire 7520


See http://www.acer.co.uk/ac/en/GB/content/drivers then select your Acer Aspire 7520 which will then give you access to the User Guide for this laptop.
In the User Guide - under Troubleshooting Tips and Error Messages it says:Error messages Corrective actionCMOS battery bad Contact your dealer or an authorized service center.CMOS checksum error Contact your dealer or an authorized service center.
This suggests that you would need to take your laptop to a dealer or service centre to get the CMOS battery replaced which would be advised if the laptop is still under warranty.
The alternative would be to open any covers on the underside of the case and see if your can see a small button cell type battery that you may be able to get a replacement for. Please note that you should remove the main battery before opening the laptop case and ensure that you ground yourself to avoid damaging any components with static electricity from your clothing etc.

Oct 30, 2011 | Acer (ACERMOTHERBOARD)

1 Answer

How do you replace the cmos battery on acer aspire 7520


See http://www.acer.co.uk/ac/en/GB/content/drivers then select your Acer Aspire 7520 which will then give you access to the User Guide for this laptop.
In the User Guide - under Troubleshooting Tips and Error Messages it says:Error messages Corrective actionCMOS battery bad Contact your dealer or an authorized service center.CMOS checksum error Contact your dealer or an authorized service center.
This suggests that you would need to take your laptop to a dealer or service centre to get the CMOS battery replaced which would be advised if the laptop is still under warranty.
The alternative would be to open any covers on the underside of the case and see if your can see a small button cell type battery that you may be able to get a replacement for. Please note that you should remove the main battery before opening the laptop case and ensure that you ground yourself to avoid damaging any components with static electricity from your clothing etc.

Oct 30, 2011 | Acer (ACERMOTHERBOARD)

3 Answers

Hello sir,my laptop is acer aspire 7520 no charging,no run on main,run on battry only,laptop power adaptor led is damage,


this could be due to the fault in the ac adapter,please try swapping another adapter if it works then you need to replace your adapter.

Jun 20, 2009 | Acer (ACERMOTHERBOARD)

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