Question about HP Compaq 6720s Notebook

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Could you please help me on the instructions of how to remove the fan from a Compaq 6720s so it can be cleaned? Thank you

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Posted on Sep 30, 2009

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Do not tear the computer apart to clean the fan out

get a can of compressed air...

do not blast the compressed air too long... it gets far to cold... and will destroy the cpu if you blast more than 5 seconds of air

blast the error out from the bottom of the case fan slots... this is the way to clean it...

Posted on Sep 30, 2009

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Posted on Jan 02, 2017

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SOURCE: I want to replace the Display of my Compaq 6720S and need the removal instructions for this. Thanks.

they're hard. if you haven't done it before its not worth it. not only the front bezel need removing but the whole laptop ripped apart this is due to the bending in the design on the power plate.

Posted on Jun 01, 2009

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1 Answer

Were can I find the RCT battery in a compaq 6720s? Actualy I have forgotten my power on password. so i want to remove the RCT battery but i can't find it. can you help me please?


Laptops dont store the BIOS password like desktops meaning that even if you find the Battery the password wont be deleted since its stored on a eeprom.
best way to go is to go to compaq they will help you if you have proof of purchase

Jun 09, 2011 | HP Compaq 6720s Laptop

2 Answers

Hi have an Compaq 6720s and my younger neighbour has set boot-on password on it. and when i ask him what he set he dont know (2years old) so now i cant use the computer. i have tried to flip the RTC...


You can reset the password by removing the RTC battery for 5 or more minute .
On this link you can download the service manual for your model:
http://h10032.www1.hp.com/ctg/Manual/c01293339.pdf
On page 77-78 you can read the necessary informations.

If I could be of further assistance, let me know. If this helps or solvesthe issue, please rate it and give a testimonial for my response.

Apr 03, 2011 | Computers & Internet

2 Answers

I can't format my HP Compaq 6720s Notebook,win xp say can not hdd drive ,but i'll get new hdd


The reason XP cannot detect the hard drive is because thr hard drive in this model HP is a SATA hard drive and the Windows XP installation CD does not have the SATA controllers on this CD.
To install XP on a SATA hard drive, please click on this link and follow my instructions :-
http://www.fixya.com/support/r4335035-installing_windows_xp_sata_hard_drive

Feb 03, 2011 | HP Compaq 6720s Notebook

1 Answer

Halve my Compaq 6720s' keyboard doesn't work, How can i fix this without paying too much?


keyboard doesn't work usually caused the path of the key on the keyboard is dirty by the dust and liquid.
1. remove the keyboard from the laptop (see instruction how to replace keyboard)
2. remove all the key (you should do this step carefully because the mounting of the keyboard is weak)
3. you will see the key path of your keyboard clean it using some alcohol better 90% alcohol (you can find it on drug store)

Jan 16, 2011 | HP Compaq 6720s Notebook

1 Answer

Hp 6720s lap top running - vista does not load


If the laptop runs extremely hot, then CPU will shut down (thermal overload) and will not boot up again until it has cooled down.
Overheating problems is caused by faulty fan (stop spinning) or the fan and heatsink assembly is clogged with dust. Check the fan, it should spin freely and remove and vacuum the dust from the fan and heatsink.
Replace the fan if it is faulty.

Aug 03, 2009 | HP Compaq 6720s PC Notebook

1 Answer

Hello, My HP Compaq 6720s is turned off and won?t start again, when I connect the charger it's turning on and of all the time until I disconnect the charger. When I try to turn on from the battery its jus...


When you say turning on and off all the time until I disconnect the charger, IS the charger running the machine and then after so long cutting out? you leave it and it works , if so its overheating

Machine will need fan and all ducts cleaning and most likely replace arctic silver on psu

IF on the other hand its not running more likely the charger is not powering the machine or charging battery in which case you will need new charger

hope this helps get back to me if you need more help

Jun 10, 2009 | HP Compaq 6720s Notebook

1 Answer

I want to replace the Display of my Compaq 6720S and need the removal instructions for this. Thanks.


they're hard. if you haven't done it before its not worth it. not only the front bezel need removing but the whole laptop ripped apart this is due to the bending in the design on the power plate.

Jun 01, 2009 | HP Compaq 6720s Notebook

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