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Compaq presario CQ62 On bootup, it has a white screen....

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  • 21 Answers

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Posted on Oct 23, 2013

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Posted on Jun 10, 2011

KingDWS
  • 1606 Answers

SOURCE: My Compaq Presario CQ62-225NR keeps

This can be the fan or what is more common is just dirty fans and ducts. It takes very little dust or lint to stop the airflow in a laptop and if you have pets, gas heat or use near a kitchen (hot cooking oil vapours)
they will need cleaning as little as every 2-3 months. The more it runs with the particles in the air the faster it gets dirty. Can can blow this out using compressed air. You need to take the battery out then insert something to stop the fan from turning. The compressed air will turn the fan too fast and risk burning its bearings out. All you might see is one good puff of dust and thats all it is. You blow the air in through the fan and then reverse through the exit duct. That should knock the dust loose. You might have t pick out lint through the grill but get it as this will block more air and collect the dust faster. You can do it yourself or most shops will do it fairly cheap.

This is the cause of the majority of heating issues.I've only had to replace a handful of fans over the years. And I've ended up with free laptops where the dust was the only problem. Most times the fan doesn't move that much air so people think it is out. If you set your fan to max cooling under power properties you will get as much cooling at it is designed to do. Normally it will be off or very low speed until it hits a certain temp than will kick up the speed .

To replace the fan you need to take the laptop almost totally apart. The display comes off, the keyboard off and the case split and usually the motherboard comes out as well. Before you attempt this try blowing it out first. Then look at pictorial instructions so you have an idea of the work involved. It isn't tricky other than splitting the case but it is involved and you can damage the board with static.The fan will run you $20-$40 from a laptop repair parts place (search for laptop repair parts) Most shops do not do laptop repairs but send them away to a repair depot so you may have a bit of trouble finding someone to do it for you.

Posted on Sep 01, 2011

SOURCE: Compaq Compaq Presario CQ62 white screen

When you plug in the power cord is there any lightswhatsoever on the laptop, where the plug goes in or on the AC Adapter of thepower cord?

When you press the power button do you hear fans running, hard drive spinning,lights on the computer, hear any beeps or lights constantly blinking, hear theDvD/CD drive click and the light on the drawer of the DvD/CD turn on for asecond or two? If so the laptop is trying to boot or may have booted, butthe screen is not showing for some reason.

Beep tones and blinking lights tells the technicians what is going on with thelaptop and why it is not booting. Most times it's a motherboard issuewhen you hear beeps or blinking lights continuous.

Maybe your power cord is bad if you don't get anything to happen whatsoeverwhen you press the power button. And if that's true maybe you wasoperating off the battery the last time you had it on and since the power cordis bad, it was not charging the battery so the battery is drained and the powercord is bad.

Maybe you have a Static Charge Buildup. Remove the Power Cord, Remove theBattery, then Press and Hold the power button for 30seconds. After 30 seconds plug the power cord back in (leave the batteryout) and hit the power button to see if it boots. If it does, you can putthe battery back in and let it charge.Maybe your DC Power Jack which is where the power cord plugsinto the computer is bad. Take an ink pen and push the tip inside thejack and see if the little pin wiggles, if so the jack is bad. You'll have totake the laptop apart to fix it. Most times it is soldered onto themotherboard, so you will have to desolder the old and solder a new one.

Posted on Apr 02, 2012

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http://h10032.www1.hp.com/ctg/Manual/c02641795.pdf
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If you are unsure of this pls dont open the screen as it would add more problems. Better go to the service center and have your laptop check by a trained and qualified technician. This would certainly solve your problem and not adding to it.

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