Question about Compaq Presario Notebook

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System: Compaq presario 2100 Intel. Disassembled the computer to fix the battery/power jack that is connected to the motherboard. My pcmcia/CISCO wireless card is not working since I fixed the computer, not status lights, the machine does not recognize that is even plugged in the port, nothing. This card was working before the fix, and I do not have a way to test the card nor the port. I can connect the machine to my home network using a network cable, but the wireless network is not working since the wireless card is dead. Questions: 1. I looked in my documentation for the computer and can?t see any cable/connector to the motherboard from the pcmcia port. This port is connected directly to the mother board. Did I miss connecting something back that can make my PCMCIA port not to work when I assemble back my computer? 2. If there is a way to verify the signals in/from this port, at least power. Just to verify if the problem is with the port. 3. Can it be software; configuration/OS/Drivers/setup/cmos, something else? Any help will be appreciated

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  • Compaq Master
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You can try using Compaq Diagnostics for Windows 95/98 for your model, there is no PCMCIA driver available on HP website for this computer.

If this is not a software problem, then it is probably a bad soldering joint that lost contact on one or more of the PCMCIA motherboard contacts.

Posted on Nov 29, 2008

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My compaq is power on for 2 second and off , how to fix is thank you


You need to print this out-on someone else's computer. Hope it works for you!
Remove the battery and charger/ac adapter/power cord from your Compaq Presario F700 laptop, press and hold the power button for 20 seconds to discharge any residual current inside the Compaq Presario F700 . This clears your RAM and is like a hardware reset. Replace the battery and charger/ac adapter/power cord and turn your Compaq Presario F700 laptop on.

Boot in "safe mode". As it starts up press F8, the computer ask you if you'd like to start in safe mode. Highlight "safe mode" and press enter. See if your laptop is booting up ok .

If your Compaq Presario F700 boots ok, do the following,

Try System Restore first,
Start Menu->All Programs->Accessories->System Tools->System Restore. Choose the most recent date before you the encountered problem. If it doesn't work, try the next date.

If System Restore does not fix it, as a last resort, you might need to fdisk, reformat your laptop hard disk clean and reinstall OS, that usually fixes all bugs. Before going that route, try following,

Uninstall unnecessary programs and applications.

Scan with a antivirus program

Scan with a spyware/malware program

DEFRAG C:

CHKDSK C:

Clean up and repair registry problems with registry repair software of your choice

If the problem persists, did you check if it could be your Compaq Presario F700 laptop power cord or power source problem? Defective or insufficient power supply might cause error messages that are misleading. Take the battery out and power on your laptop with the charger only. Make sure your Compaq Presario F700 power jack and charger plug tip are securely connected. Did you notice the power jack loose? You can find laptop power jack on ebay. Fixing and soldering the power jack requires professional skill though. The charger green/blue LED should be on. If not, replace the defective charger. Compaq Presario F700 laptop battery charger, especially its power cord/cable, lifespan is limited and does not last forever, consider buying a lifetime warranty charger online from company like www.topmic.com

Dec 29, 2012 | ASUS K52n-a1 Notebook

1 Answer

How do i reset the bios password to my compaq presario 2100 laptop?


You will have to remove the power cord, remove the batteryand remove the CMOS Battery that is located on the motherboard. On mostcomputers you will have to take the laptop apart to get to the cmosbattery. On some systems it looks like a silver nickel that you will needa small flat head screw driver to pop it out. On other systems it will beinside 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 itback in and put the laptop back together. Boot the machine and you'llprobably have to go into the Bios or System Setup because the system will haveforgotten the date, time and password.

Mar 31, 2012 | HP Compaq Presario 2100 Laptop

1 Answer

HOW TO REPLACE THE POWER JACK ON A COMPAQ PRESARIO 2100 LAPTOP


There is a site that will give instruction on how to repair this but it you will need soldering skills and delicate handling to do so.
try this site see if it helps.
http://laptopsplanet.com/compaq-presario-dc-power-jack-repair/

Mar 31, 2010 | HP Compaq Presario 2100 Laptop

2 Answers

Dc jack is not working, can I still use a docking


I have seen this problem with many laptops.
What has happened is that the power connector on the laptop has loose solder connections and will not trasfer the power through the jack. Either the jack needs to be resoldered on the motherboard or replaced. This is a very intense repair, because the motherboard has to be removed for the repair.

I hope this information allows you to resolve this issue.
If you need further assistance please comment to this post and I will try to help you further.
Thanks for using FixYa
asnowman

Mar 15, 2010 | HP Compaq Presario V2000 Notebook

1 Answer

The prong where I plug in my battery charger broke off in my laptop. What can I do?


This is the DC Power Jack. Aslo known as the DC-IN jack.

You'll have to have it replaced.

IF, this is a reference to a Compaq Presario V2000 Series Notebook PC, (The exact Model Number, is on the bottom of the laptop in a white Service Tag),
the DC Power Jack is soldered directly to the motherboard.

The DC Power jack resembles this one,

http://www.laptopjacks.com/view_part/Compaq-Presario-laptop-power-jack-CQ21325.html

[At the top of the page you can click on the multiview (Three views shown), to enlarge it]

You can see the size of the jack. Not much larger than the AC adapter,
(Charger), plug.
The rectangular dark body of the jack is made of plastic. The metal center pin is riveted to the body.

This is the Maintenance and Service Guide, (Really a Service Manual), for the Compaq Presario V2000 Series Notebook PC's,

http://h10025.www1.hp.com/ewfrf/wc/manualCategory?lc=en&dlc=en&cc=us&lang=en&product=500508&

It's a download page for the Maintenance and Service Guide, from HP Support. (As you know HP bought out Compaq)

Left-click on -
Compaq Presario v2000 Notebook PC, HP Pavilion dv1000 Notebook PC, HP Compaq nx4800 Notebook PC - Maintenance and Service Guide

(Last file in the list)

This is a PDF file. (The computer you are using now has Adobe Reader on it, which uses PDF files)

After you click on the link it may take up to 24 seconds to see the first page. The file is downloading in the background.
(First page usually comes up faster)

After you see the first page, the file may still be downloading. (Blue download progress bar)
I advise letting it fully download, before looking through it.
You may break the download connection otherwise.

This shows you the inside of your laptop. Shows you how various components are removed, and installed.

[Tells you about Static, and how it's harmful to your computer, therefore before diassembling the computer, you should take appropriate measures. ESD wrist s-trap. Price is around $6]

Included this file download link in case you are curious about the inside of your computer.

To repair, or replace, (IN your case it would be replace), the tech has to,
1) Wear an ESD wrist s-trap, and have the alligator clip attached to a good ground source. [Electro Static Discharge]

The human body carries Static electricity. Static wil fry out the delicate hardware components inside a computer. (Laptop or desktop)
Can do it in less than the blink of an eye, and you won't see it, or feel it.

The ESD wrists-trap helps to prevent this. (It works, trust me. IF, you have the alligator clip attached to a good ground source)

A multi-compartment container is used for the various areas the screws come out of, and the various screws. There are over 60 screws, and 12 different types. Some look the same, but they Aren't.

2) The laptop must be Completely disassembled down to the bare motherboard in hand.
No Processor, Ram Memory, Wireless module, Harddrive, Optical drive, (DC/DVD drive), and other hardware components, can be attached to the motherboard.

Bare motherboard.

3) The DC Power Jack, (DC-IN), is unsoldered from the motherboard, using careful desoldering techniques.
The new jack is then soldered in using careful soldering techniques.
(Very few techs are qualified to do this anymore. They just want to replace the motherboard)

4) Then the laptop is reassembled, power sources are attached once more, and the laptop is tested.

Dec 29, 2009 | HP Compaq Presario V2000 Notebook

1 Answer

Power shorting out


This is a problem where the dc jack on the motherboard is defective or broken off of the board and it is shorting out.

The jack can be replaced for about $100.00 by a repair shop or you can do it yourself for about $6.00.

The job is fairly involved and you may not want to attempt it. I repaired mine about a year ago.

The new jack needs to be soldered on the board.

The motherboard must be removed to to the job

Mar 28, 2009 | Compaq Presario 2100U Notebook

1 Answer

Compaq presario c300 usb problem


Well instead of repairing it have you tried an external usb pcmcia card? They are cheep and mine is usb2 4 port on a pcmcia and works fine. Just a sugestion for you. It runs about $14.00. I ave a 900 Compaq and the first to go was the dvd/cd [ replaced ] then the battery [ running off a cordless drill battery now ] and then the usb. I know your question was about fixing this but an easier way is described above. Over current on the usb port is no problem with the pcmcia 4 port usb card as if you need more current, it comes with an external power supply only if needed. I have never had to use this external supply yet. It supplies [ the card ] up to 800ma.
Hope this helped a little...
Kevin

Feb 05, 2009 | HP Compaq Presario V2000 Notebook

3 Answers

Compaq Presario X1000 Power Issue


Two things... put your hand on the bottom of it.... is it really hot and second any chance of trying another power cord on that ?. I believe you mentioned you tried that cord on another computer. perhaps use the other cord on yours to test it .

Aug 28, 2008 | Compaq Presario X1000 Notebook

2 Answers

Compaq presario 158793-001 motherboard


Hey Mike

Go back and check the fine cabling that connects LED indicaters to motherborad. There's got to be a small cable you forgot to plug into the board to feed back poer state. Take your time and check everything twice.

Dec 12, 2007 | HP (158800-001) for Compaq Presario 1246,...

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