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Cmos battery v4000 - Compaq Presario V4000 Notebook

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Presario v4000 need bios password


You will have to remove the power cord, remove the battery and remove the CMOS Battery that is located on the motherboard. On most computers you will have to take the laptop apart to get to the cmos battery. On some systems it looks like a silver nickel that you will need a small flat head screw driver to pop it out. On other systems it will be inside a vinyl covering and has a cable that plugs into the motherboard. Once you remove the CMOS Battery, let it sit for an hour or two then put it back in and put the laptop back together. Boot the machine and you'll probably have to go into the Bios or System Setup because the system will have forgotten the date, time and password.
If the password is not reset then you will have to short the password jumper on the motherboard with a screwdriver or there may be a pin on the motherboard that you can remove to reset it. I would consult the owners manual before attempting either of these two options.
I found the info below in the owners manual
1.2 Resetting the Computer
If the computer you are servicing has an unknown password,
follow these steps to set a new password. These steps also
clear CMOS
1. Enter an incorrect password and press enter.
2. Repeat step 1 two more times.
After the third entry of the incorrect password, the computer
responds with a System Disabled message and provides an
override password.
3. On another computer running Windows XP, download the
unlock6.exe utility from the HP Channel Services Network
(CSN) Web site at http://www.hp.com/partners/csn. Copy the
unlock6.exe utility into the root directory (C\ drive).
4. Access MS DOS by clicking Start/All Programs/
Accessories/Command Prompt.
5. Enter unlock6 xxxxx 0, where xxxxx is the password
generated by the computer in step 2.
The computer responds with another system generated
password.
6. Enter the password generated in step 5 on the disabled
computer to enter the system BIOS. In the BIOS, navigate
to the Security tab and Administrator Password. Enter the
password generated in step 5 as the current password. Enter
a new password to change it.
7. The password has been reset and all CMOS settings have
been cleared.

Apr 25, 2012 | Computers & Internet

1 Answer

Would a compaq presario v2000 screen be compatible with a compaq presario v4000 laptop. one of my cats juped onto my closed laptop and now there are two big black blotches and cracks across my screen so im...


Hi,

Its not compatible. It has different screw listings then V4000.
If you could provide me the product No. which is at the bottom sticker of the notebook of your Compaq v4000 laptop then I can find the part no. for LCD screen which is less costlier and exchangeable.

May 31, 2010 | HP Compaq Presario v4000 Notebook

1 Answer

Cd not reading in v4000 presario laptop, problem w...


cd not reading in v4000 where are there totally free downloads for driver

May 19, 2010 | Compaq Presario V4000 Notebook

2 Answers

Were can i get drivers for my compaq presario v4000?


On Following link you can download Driver for your Laptop.

http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=461884&lang=en&cc=us&prodTypeId=321957&prodSeriesId=434656&taskId=135

Thanks.

Oct 14, 2009 | HP Compaq Presario v4000 Notebook

1 Answer

I have a compaq presarion v4000 series laptop


yes it can be repaired it will cost between 40 and 150 depending on where you take it

Sep 19, 2009 | HP Compaq Presario v4000 Notebook

1 Answer

Want to replace 2x 256mb of memory with 2x 512mb of memory into my hp compaq presario v4000


Hi there.
Yes you can upgrade the memory to 2 x 512MB DDR SDRAM memory.
You will be pleased to know that the system supports up to 2GB DDR SDRAM memory (2 x 1GB)
Please be gentle when installing the new memory taking care to remove the battery and the mains power from the laptop first before installing.

Have fun and thanks for using FixYa!!

Mar 24, 2009 | HP Compaq Presario v4000 Notebook

1 Answer

Charging Problem


Your problem could be one of the 3 things:

a) the battery (about $50 to replace on eBay)
b) the AC/DC card which actually converts electricity into "juice" for your battery (probably around $50-75 + labor)
c) motherboard (for most laptops, between $200 and $400)

My recommendation would be to either buy a new battery first to see, since that's the easiest way to determine the problem ...or perhaps post an ad on Freecycle.org for someone to give you or let you borrow their battery just to test it out.

If the new or borrowed battery doesn't charge, it's options b or c

Hope this helps :)

Sep 28, 2008 | Compaq Presario V4000 Notebook

1 Answer

The provision of Special Education differs from country to country, and state to state. The ability of a child to access a particular setting may be dependent on their specific needs, location, family


if u can reach for the main board and clear cmos by the jumper next to a small battery if it didnt work try to chek for power connectors to the main board

Nov 11, 2007 | Compaq Presario V4000 Notebook

4 Answers

Keyboard does not work


don't think this is caused by the game install shut down the pc and remove the battery and charger for a few minutes. Boot it and try again try connection an external keyboard

Sep 11, 2007 | Gateway 2520915 Keyboard

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