Question about Dell Latitude D520 Notebook

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I think motherboard power problem

When i press power baton,power stay 2/3 second than it going to off.i alredy diassemble my laptop.instant i just connect my addepture and motherboard problem is same.i connect processor,ram and switching,problem is same.

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Hmmm...sounds like the connections are fine. mayhaps you have a major component failure, like uP?

check your warranty for FREE here

Posted on Feb 22, 2008

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Power light comes on but nothing happens


What type of laptop? What operating system?

Laptops don't boot for the following reasons: 1) Bad Power Cord. 2) Bad DC Power Jack where the power cord plugs into the laptop. 3) Static Charge Buildup. 4) Bad Motherboard.

The above 4 reasons are when you press the power button and absolutely nothing happens. You hear no fans running, no disk drive running, no one time clicking sound on the CD Drive and No light for a second or two when the CD drives click. In the case of a motherboard issue sometimes you will hear beep sounds or see blinking lights. Those beep sounds and blinking lights tells the technician what is going on with your motherboard and why it will not boot. If you see the blinking lights or hear beeps count them.

So you have a power light which means your power cord and dc power jack is good. So lets see if you have a static charge buildup.

Remove the Power Cord and the Battery from the laptop, then Press and Hold the Power Button for 30 seconds. After 30 seconds put the power cord back into the laptop, but leave the battery out. Press the power button to see if it boots. If it does you had a Static Charge Buildup and it's ok to put your battery back in. If it does not you more than likely have an issue with your motherboard.

Mar 22, 2012 | Computers & Internet

1 Answer

I have nx9500. No power on response UNLESS 1.) battery is removed and 2.) on/off switch held down for 30+seconds and 3.) AC brick then plugged in. When all this is done and on/off switch pressed, the LEDs...


It would appear from what you say, there is a short on the motherboard. This can cause the adapter to shut down, which it is suppose to do. Unless there is an object in the laptop, the motherboard is damaged and must be repair/replaced.
Please rate this solution.

Apr 07, 2011 | HP Compaq nx9500 Notebook

1 Answer

I have a compaq presari R3000 which fell down when I put it my bag. After I tried to trun it on, when I press the power button, the power light just on,the both fan run about 5 seconds and stop, after 10...


The ribbons of the laptop inside may have been dis-attached, please bring it to an expert immediately and don't try to open or touch anything inside it.

Mar 08, 2011 | Compaq Presario R3000 Notebook

1 Answer

No power comes to the laptop..what could be the issue? dont see any lights lighting up...


Hi,

First: Pull out the battery and try to power it on with the AC adapter only
Second: If that doesn't work check the power Jack, sometimes it gets deattach from the Motherboard, you may need to diassembly your laptop
Third: If you find no problems there, then it may be the video card: for this you need to reflow the motherboard. A local computer shop may be able to do it. if it's too expensive you may be better buying a new laptop

Nov 19, 2010 | Gateway MX3416 Notebook

1 Answer

It wont stay power up;and screen stays black; and shuts down after a second' please help'''''


try to power drain pc first. to do that, turn pc off, remove battery and ac adapter. press down power button for 15-20 sec, then but all back in and try to turn pc on. if still no go, you may need to replace battery or ac adapter, f it still wont work, possible motherboard replacement is needed.

Mar 29, 2010 | Dell Inspiron 1501 Notebook

2 Answers

Hp pavilion dv6775us will not power up.


These are the reasons why your pc wont switch on

1. Defective power adapter
2. Defective Processor
3. Defective Motherboard
Note: If you replaced your motherboard check the specs on the previous motherboard it should be the same part number or a replacement part number.

You can purchase your motherboard to HP System Board HP Motherboard

Here's a sample video

Feb 13, 2010 | HP Pavilion dv6775us Notebook

3 Answers

I have a dell Inspirion 9400 and it won't start. When I press the power button, all that happens is the power light and the dvd player light comes on and about 3 seconds it turns off. Does it with and...


It shows no power on your laptop but it shows you the dvd player led comes on then off. I would suggest try the following:
1. Remove laptop battery, optical drive, hard drive and ram. Remove external peripherals as well. 2. Make sure AC Adapter is not yet connected to the laptop. Press and hold on the laptop's power button for 10 seconds to drain the power flea. 3. Connect the AC Adapter to a known good power outlet, check AC Adapter power LED if it is on. Try to sense if AC Adapter is not making a bit of noise when it is plugin to the wall power outlet. 4. Connect now the AC Adapter to the laptop. Check if AC Adapter LED stays on when it is connected to the laptop. If the LED stays on means the AC Adapter is fine. If the AC Adapter LED turned off check the AC Adapter pin that goes to the laptop AC socket if it is loose. 5. If AC Adapter stays on after connecting to the laptop try to power on laptop. If no power LED comes on then this is motherboard problem. 6. Before replacing the motherboard there is one checking needs to do. If you can open your laptop bottom part then good, do this when laptop is not connected to any power source. Try to reseat the laptop CMOS battery then try to power on laptop after, if still fails then replace motherboard. I hope this helps.

Dec 12, 2009 | Dell Inspiron 9400 Notebook

2 Answers

Acer Aspire one screen stays black


i have this problem 2 days ago.. and this works on me... maybe on your's too you may need to flash your bios. why need to flash the bios.. ? 1. had the black screen of death. or deleted the bios how to flash the bios: STEP 1.download the AA1 BIOS from this link: http://www.acerpanam.com/synapse/data/7117/documents/AS1_BIOS_3309.zip 2. extract the file 3. rename the file 3309.fd to zg5ia32.fd 4. put zg5ia32.fd and FLASHIT.EXE onto the usb drive now, start the process STEP 2 A. make sure the power cable is in B. the laptop is turned OFF C. Plug the usb stick in! STEP 3: Press and HOLD down the FN and ESC key together then press the power button, while holding the buttons release the power button and continue holding FN and ESC for about 5 seconds release the buttons and the power light will start to blink let the laptop run and DO NOT PRESS anything this can take upto 8 mins when it's done the laptop will restart. this works on me... good luck.. and i hope it will help you.....

Jun 15, 2009 | Acer Aspire One PC Notebook

1 Answer

NO VIDEO OUTPUT FROM LCD OR EXTERNAL MONITOR ON TOSHIBA SATELLITE L20 LAPTOP


you may do follow steps
1) eheck memory : reseat all RAM or change other same model RAM
2) take out wireless card at back of laptop MINIPCI. try it
3) still nothing run, your otherboard hardware damaged, need to change the motherboard. the parts please reference here
http://shop.ebay.ca/items/__Toshiba-Satellite-L20-motherboard_W0QQ_kwZToshibaQQ_kwZSatelliteQQ_kwZL20QQ_kwZmotherboardQQ_ckwZlaptop?_trksid=p3286.m104.l1200
hope help you something fixed, please take a rating let me know how much helped you thanks! keep in touch your question

May 22, 2009 | Ultra Computers & Internet

2 Answers

Dell Latitude C610 Laptop won't turn on


If the light comes on for three seconds and then go out ,generally means a power distrubution problem . remove the optical drive and memory from the system and try powering it on. If u get the same result , its time to take it to service tech , as your motherboard needs to be checked

Apr 07, 2008 | Dell Latitude C610 Notebook

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