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Cq40 charger light blinking - Compaq Presario Notebook

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I have a laptop model compaq presario cq40. after formatting the laptop i found webcam is not working


sounds like driver and software issue.. go to device manager make sure the webcam driver is properly installed, if not go to Compaq website or google search for the device driver..

Aug 22, 2013 | Compaq Presario CQ40 Series Laptop Charger...

2 Answers

Dead compaq cq40 laptop no power no charging


Step 1:
If your laptop charger seems broken, it's most likely because the battery will not charge. You plug in the cord, the lights come on, but the charging light doesn't change or blinks repeatedly. When you remove the power cord, the laptop shuts off instantly due to the depleted battery. There's more than one cause for this, and it's not always a broken charger.

Check the connection between the charger and the laptop. It should fit firmly in the DC jack without wiggling. If it is loose, use electrical tape to hold it in place so the charger can receive power. This is a temporary fix, however, because a faulty connection can create sparks and cause a fire or injury. A loose connection will just get worse over time, so have it sent to a DC jack specialist as soon as possible. Turn off the laptop and flip it upside down. Locate the latch that secures the battery and slide open. The battery should pop out; give it a tug if it doesn't. Apply a small amount of rubbing alcohol (Methylated Spirits)to the tip of a cotton swab and use it to clean the battery's connectors. Dirt can build up and interfere with the connection, giving the appearance of a broken charger. Let the alcohol dry completely and re-insert the battery. Slide the latch to secure it and plug in the power cord to test it. See if the laptop powers on with the charger only and battery removed. If it does, the battery is the likely culprit and should be replaced. If the charger is truly broken, the only thing to do is to replace it or the power cord attached to it. Look on the bottom and write down the part number. Call the laptop manufacturer for a replacement charger or search for the part number on eBay. If you purchase from anyone other than the original manufacturer, ask for genuine parts to reduce the possibility of problems. Troubleshoot Mag Safe adaptors
http://support.apple.com/kb/ts1713

Mar 31, 2013 | Compaq Computers & Internet

1 Answer

Blank screen


Failed to boot. The most usual cause of this fault is a GPU issue. Overheating problem.

Jan 11, 2013 | Compaq Presario CQ40 Series Laptop Charger...

1 Answer

Where i can buy compaq presario cq40 in cebu, philippines


COMPAQ PRESARIO Cq40
Glossy and piano cover finish.
Stylist chick.
Ready to use.
Wifi Ready.
3 USB ports.
Backup Battery Charger.
Windows 7 Starter operating system.
Prices is negotiable for interesting only to buy.
*** ONLY IN METRO CEBU PHILIPPINES***
You can contact me through my mobile number: 09321413197
hope this helps

Jun 27, 2011 | Computers & Internet

1 Answer

My laptop compaq cq40 is not charging, i think there is a problem on the charger


I would recommend taking it to a battery retail store or laptop specialists to have the charger and battery tested. It can be very expensive to purchase either a battery or a charger or both if not needed. Have it tested to verify the problem device ....then purchase as needed.

May 27, 2011 | Compaq Presario CQ40 Series Laptop Charger...

1 Answer

Only charge when its closed


Has it always done this , or only recently ? HP (Compaq) has a LOT of different models in the CQ40 series. I'd need to know the "model number" or "Service Tag" number in order to help you more.

Mar 25, 2011 | Compaq Presario CQ40 Series Laptop Charger...

4 Answers

Good day.. my compaq presario cq40..is powering on but blank on the screen and caps lock and num lock blingking only..thanks


Hello good day,sir
My compaq presario cq40..is powering on but blank on the screen and caps lock and num lock blingking only.I try ready so many time but everything are not meaning for me that's why i need your help,sir.please,give me some advice for power back.
Thank sir.

Feb 18, 2011 | HP Compaq 6735s Notebook

2 Answers

I need this charger


hi calvinis, you can go to Ebay.com or amazon.com to buy your compaq persario charger, in ebay you have more security in purchasing any product , and you have shipping to any part of world , before searching in ebay , check whether ebay have seperate domain for your country , so that shiping will not take more thn one week to reach you. i have already search one product for you

http://cgi.ebay.com/COMPAQ-Presario-CQ40-CQ45-CQ50-CQ60-AC-ADAPTER-Charger-/250558120799?pt=Laptop_Adapters_Chargers&hash=item3a566d835f

copy and paste about link in browser.

Good luck

Jan 12, 2011 | Compaq Battery Charger Adapter Cord For...

2 Answers

My laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically


my laptop presario cq40's monitor is not displaying anything. but caps lock key and scroll lock is blinking automatically

Jul 08, 2010 | Compaq Computers & Internet

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