Question about HP Officejet J5780 All-In-One InkJet Printer

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Where is the CMOS battery located on an HP Officejet J5780?

Is it the soldered-on type? Any advice on removal or breaking contact? Problem is non-HP cartridges, which have worked fine for months, suddenly no longer recognised. Hard reset does not cure.

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  • 43 Answers

It does not have a cmos battery. the printer has flash memory so no need for battery

can't help with factory reset or bios flash sorry

Posted on Jun 21, 2015

Testimonial: "Thanks for a quick reply!"

  • Jon Jarratt
    Jon Jarratt Jun 21, 2015

    Now the obvious follow up Q: is there a way to flash the memory with software or a key press combination (beyond #6 or #9 already done) ? Thanks

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Posted on Jan 02, 2017

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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

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HP OFFICEJET J5780 HOW TO GET SCANNER TO WORK


To get the scanner working this is what you should do. First, do not install the software for Officejet All-in-one J5780. Instead of this, install HP Officejet All-in-one J5700, you can get it from the HP website. I do not know why but this software makes the scanner work. You can then install J5780 which will delete some of the old files but will keep the scan file on.

on May 25, 2008 | HP Officejet J5780 All-In-One InkJet...

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How can I get the HP officejet J5780 printer owner's manual?


Hi there !

You need to go to HP website to get free manual. Just type the HP officejet J5780 printer manual. Another way is to go through websearch, there are manual posted there for free download.

I hope help you find your problem. Regards.

Feb 02, 2011 | Office Equipment & Supplies

1 Answer

Had problems with my compaq EVO N 180. Hp suggested I upgrade bios. During upgrade computer seized. Now it will not start. HOw can i jumper the bios.


You can attempt to reset Bios By Pulling the CMOS battery, you will need to disassemble laptop, Not sure offhand if you have a plug in battery or one thats soldered on... Basically in a laptop there are 3 main types of Cmos battery connections.. 1 is plugged in to the motherboard using a 2 wire plug... 2 is a battery tray on the motherboard that the battery snaps into and out of... 3 is a battery that is soldered to the motherboard from both the positive and negative sides....

With any 3 of these.. You need to remove the battery... HOLD the power button (make sure your laptop battery is removed as well and unplug the AC Adapter... )
Then Reattach CMOS Battery and reassemble and attempt to power on

Note: The Soldered On Batteries Can Be Desoldered and removed...

Do Not Remove the solder from the contact points!! You need to use a pointed flat tool and your soldering gun... Use your tool to pry the battery away from its connection pad... To Do This, First Heat the soldering gun, carefully heat the 2 contact pads of the CMOS battery, as your heating them get the solder to melting point and then quickly pry the battery off the board, heat the 2 connection pads again and pull the battery away from the motherboard.... You should have the 2 contact pads still with solder left on them...



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1 Answer

HP Officejet J5780: Cannot scan, copy, or fax from my computer.


Kindly install the scanner software for printer the driver software cd just re install it will install the scanner software and make sure in device manger there is not other usb device listed if it is there just remove it. And refresh it in will automatically install the driver.

Nov 12, 2009 | HP Officejet J5780 All-In-One InkJet...

1 Answer

Hp officejet j5780, NOT SCANNING


go to www.hp.com and download a new driver of your scaner for xp

Jul 03, 2009 | HP Officejet J5780 All-In-One InkJet...

1 Answer

I lost the CD for instalation and now I cannot use the device HP officejet J5780 except printer, what can I done


If you do not have the software, you need to download the software fromthe following location:

HP Officejet J5780 All-in-One Printer

Chose 'software and drivers' link on page above.
Chose operative system and follow instructions to download the printer driver.
After downloading is finished, unplug the printer USB and run the software that you downloaded.
The software installer will tell you when to connect USB.

Mar 14, 2009 | HP Officejet J5780 All-In-One InkJet...

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