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Compaq Presario A900 won't turn on, and battery won't charge (no blue light on when battery charger cord is plugged in.) Any ideas please? Thanks.

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The power connector for these Compaqs are notorious for failing when they get a bit grimy. Try wiggling the connector or cleaning it or even gently squeezing with pliers.

Posted on Feb 07, 2010

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1 Answer

HP Compaq Presario CQ60 Won't Charge


Three blinks in a row is the LED code for a memory issue.

Turn the laptop over, remove the panel over the RAM, remove the DIMMs (it will likely have 2 in it), place one in at a time and try powering the system on.


One of the two is likely bad although it is possible (although very unlikely) that both are bad. It should boot up when the good DIMM is in place. Once you have identified the bad one, buy a replacement or possible choose to upgrade the total amount of RAM.

Jan 04, 2013 | Computers & Internet

1 Answer

Compaq M2000 turns on using charged laptop battery but doesn't charge or turn on when using power adaptor, with or without the laptop battery


1) The AC adapter should ALWAYS be plugged into the laptop FIRST, then plugged into AC power. If not, this could create a voltage spike.

2) Let's look at the DC Power Jack, for the Compaq Presario M2000 series of Notebook PC's,

http://www.notebookparts.com/products/description.php?II=9741

The DC Power Jack is mounted to a removable circuit board.
Enlarging the view of the jack, shows us there is an Inductor.

The small 'can' standing up on the power board. This chipset could have gone south. (Bad)

How to know? Replace it, or dig out your dual trace oscilloscope. See if the Inductor works.

Could also just be cracked solder joints, of the DC Power Jack, TO that small circuit board. Solution would be to resolder it/them.

[ I WOULD however, search for a BETTER price, than listed in the link above, IF available ]

DC Power Jack is in good shape, soldered tight to the motherboard, and ruled out as the problem?
(Since you know the AC adapter is good)

Then the problem would be the Inductor on that power board, or power correcting chipset.

What one is it? Dunno.
DO KNOW is has J leads on the bottom.
CAN give examples, and perhaps you can identify using them.

1) https://docs.google.com/viewer?a=v&q=cache:oER5NNz8cwcJ:www.fairchildsemi.com/ds/FD/FDS6675BZ.pdf+Fairchild+FDS6675BZ&hl=en&pid=bl&srcid=ADGEEShOhWPjm_M-ROHme4iEMrztCTOd-28jNiy1hVLQQh_VOyv8zcXEVDB_iTQA6MuZO88UmRkDgjyW9j4CP2aIJ-4DS-h6JNM3lvxldeApQeecmz_DADCw1s7tmNLxfPknqX14SZP6&sig=AHIEtbS_rYUAeo_8rB9YHkW05ZjLqeH4Jg

2) http://www.utsource.net/ic-datasheet/KB926QFB1-1829416.html

Service Manual, (Free), for Compaq Presario M2000 series of Notebook PC's,
(Remember, follow Anti-Static Precautions. USE an ESD wrist strap, and connect it's alligator clip to a good ground source),

http://www.tim.id.au/blog/tims-laptop-service-manuals/#toc-compaqhp

Drop down to the line that begins with - Compaq Presario 1100.
(1100 in blue)
Scroll over, click on M2000. (In blue)

(Ignore if you are aware of the following;
PDF file. The computer you are using now has Adobe Reader on it, which uses PDF files.
After you click on the file name { M2000 }, it may take up to 30 seconds, before the first page comes up )

Compaq Presario M2000 series of Notebook PC's, disassembly guide,

http://www.insidemylaptop.com/take-apart-compaq-presario-m2000-notebook/

Regards,
joecoolvette

May 12, 2012 | Compaq Presario M2000 Notebook

1 Answer

My compaq presario cq60 won,t turn on. the power light next to the charger cable is on but it won,t turn on


Hello,

The charger is functioning well. There are still two possible reasons why your computer is not turning on. 1. The battery, 2. The computer itself.

What you need to do is to isolate the problem.

Here's what you can do to isolate the problem.

1. Remove the battery from the computer.
2. Turn on the computer using the cord. Remember not to put back the battery yet. Just the cable and the computer connected. If the computer turns on, then, you need to replace the battery.
3. If it still not turning on by using the cord alone. Try to wiggle the cord to check whether it's loose or not. Check if there are some signs of power on the computer. If there is a power like lights lit in the computer, then, it's the computer that's having the problem. You need to bring it to a technician if that's the situation.

Please let me know if there are any development after doing the troubleshooting above so that I can get back to you if you need my help.

Thank you for using fixya.com

CARLO

Apr 13, 2011 | Compaq Presario CQ60-220US PC Laptop

1 Answer

BATTERY IS BAD. CHARGE CORD HEATS UP. REPLACED CORD AND CHARGER LAST YEAR


Compaq chargers get heated up a lot when charging. This is a common problem.
Based on the issues you mentioned, unfortunately you would need to get the battery changed.
Regarding the charge cord getting heated up, try keeping it on a concrete/cold surface to lessen the heat. Unfortunately nothing more can be done about it, and as i said compaq chargers do get heated up quickly.
Thanks.

Feb 03, 2010 | Compaq Presario M2000 Notebook

1 Answer

Compaq Presario V6000 not turning/powering on


This can be a tricky problem indeed. As a matter of fact, I'm experiencing a similar problem myself. I don't know if you have done this or not so I'm going to throw it out there:

Have you tried plugging it into a charger and starting it? If so, how about without the battery?

Also, if the laptop isn't charging, check to see if the charger is faulty. The end could be bent, or something inside could simply not be working.

The most likely problem if none of these help is that the port itself is shot. In that case, you'll have to take it to a computer shop and have them diagnose it for you just to be sure.

Hope I was of assistance.

Nov 28, 2009 | Computers & Internet

1 Answer

My laptop Compaq Presario A900 can read Blu Ray?


Here are the specs on your drive. Does not look like it will read Blue-Ray

Optical drive type
A961TU: SuperMulti 8X DVD±R/RW with Double Layer Support

Oct 25, 2009 | Compaq Computers & Internet

2 Answers

Compaq presario a900 model a931nr wont boot, help!!!?


Sounds like the battery is in trouble (discharged) or the charger is bad. If you have access to a voltmeter, read the voltage across the power cable plug with the pack plugged into the house outlet socket. Does a lamp work when plugged into the same socket? If the pack checks ok, then the battery may not be able to receive charge. Have it checked by a dealer.

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2 Answers

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It could be the battery needs replacing ... it shows that the battery is charging but it doesn't keep the charge .....

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1 Answer

HP Laptop Seem to Charge but Wont Turn On


When you plugged the power cord back in did the green light on the power cord battery light up. How long have you had the cord. Make sure the power cord is working properly.

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1 Answer

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Check power out put of the adapter is it giving you the correct readings
Try to remove the battery and run it from adapter itself check to see if its working
Reset the battery ..by removing it from the system



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