Question about Compaq Armada 4220T Notebook

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How to Replace CMOS battery in compaq armada 4220t

Needing help getting to the CMos battery to replace it, not sure of the location. got the compaq armada 4220t from a friend saying it had problems, when i tried to boot it up, it gave me a date/time error, which is obviously a dead battery. the shop want 400 to replace it, so i figured i would ask for some help before i go paying that for a lappy that isnt worth that much.

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  • Compaq Master
  • 5,627 Answers

A howto,
easy no.. all HP putes have a service manual
and all cover this, (not thin notebooks, they hide head in sand)
the COMPAQ is HP, for sure.
the question is where is it, well its on the mother board.
and can be top or bottom on all Laptops.
some are just hatch cover, access, did you try those first.
400 what, bottle caps, or dollars or Rupies? what?
lappy means you are not in USA but UK or down under or india.
we dont use that word here, notebooks now, or laptop.
this tells me what actions are possible for you , you never told country so cant really help can we, you posted to a CALIFonia from
and you dont have Geek squad do you, LOL !!!!!!

this PC is now officially obsolete.
HP calls that RETIRED, I call it zero support and is that.
or LEGACY, means same, DEAD.

first what is there, only this.
https://support.hp.com/us-en/document/c00424053


we throw those away here in USA>
it has no value at all now. why not upgrade,
buy a pc with W7 on it, and win.spend cash on things worth cash.
this thing is not. but that is good advice, so now your answer
we use google here, to find relic books
lets do that now.

heads up , laptops can be very hard to service.
ever do one. simple as
hatch off
keyboard off
or total disassembly on some.
see?
on a desktop (hint get one) its always easy

google hits the 1st one, OMG 1st yes,
is your manual. free btw no scalpers pricing nor viruses hacks.

https://www.manualslib.com/products/Compaq-Armada-4220t-2342152.html


now to to the coin page. coin cell battery page.


pdf page 118
real page 5-30


it says open bottom memory hatch.
gee you did look there first> wow.

Posted on Sep 06, 2017

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5 Suggested Answers

6ya6ya

6ya staff

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Posted on Jan 02, 2017

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Anonymous

  • 457 Answers

SOURCE: BIOS Clock Error

Update the BIOS or CMOS it should be fine after that.

Posted on Sep 09, 2007

lolita

Rona Heredia

  • 385 Answers

SOURCE: need replace cmos battery on Compaq Armada E500

Hello,
Please check the manual at this link for the proper removal procedure. In the manual, go to Removal and Replacement Procedures, and then to 5.10 Real Time Clock (RTC) Battery. It will explain how to replace the battery.

Thanks,
Lolita

Posted on Mar 05, 2009

Anonymous

  • 63 Answers

SOURCE: i've got a compaq presario 1245 laptop. On booting

hi
you will need to open your computer and look inside. if you are not sure take to a repair centre, the battery is on the motherboard, thats why you need to take really if you are going to be doing it. But i would advised to get a IT guy to do it for you. once its taken out you need to replace it with a new one.

Posted on Mar 25, 2009

Anonymous

  • 1 Answer

SOURCE: date keeps reverting to 10/08 and clock won't keep time

i donno much........ may be ur comp inbuilt[battery used 4 time setting] battery would hav run out....... i think so

Posted on May 11, 2009

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Thanks,
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kind regards

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http://www.mk-stuff.de/artikel/how_to_disassemble_a_compaq_armada_m700/

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