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Have a del inspirion 1721 i just replaced the motherboard on it and it wont power up, the middle A lite just blinks at top of keep board where the tree leds are, what do i need to do to make it power up, its getting power, thank you gary

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Unplug and take battery out. open up the memory cover in the bottom of the laptop, take both memory modules out from the laptop, now with no memory plug in the power adapter and try starting up, wait 1 minute and turn the laptop off, now place one of the memory modules back into the laptop and try starting up again, remember to unplug the power when your connecting or disconnecting parts from the laptop.

Does the laptop start up? If not, then take the ram module out from the laptop again, this time place it on the other memory slot and try again. If it still doesn't start up repeat the above with the other memory module if you have two.

if theres no improvement take the laptop apart, just disconnect all extra not required components of the laptop, modem, wireless, dvd, etc.

see if it boots up with just motherboard, cpu, cpuheatsink, other heatsinks, and one memory ram module, on power adapter.

if it doesn't start up, reseat the cpu.
if theres no improvement, I would buy a card like this
http://www.dealextreme.com/details.dx/sku.25101

should come with a good manual of the code meanings, the service manual for the laptop may contain better list, but generally those dell service manuals that they have online don't.

if it turns out to be a motherboard problem, not cpu or memory related the replacement part should have somekind of warranty from the company you purchased it from.

Posted on Jul 18, 2009

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yes it is fixable sounds like your fault is with the top screen are the hinges ok has it been dropped.

most green light and screen flashes point to a defective screen or connection on the mother board or sometimes fuses. id start with checking the motherboard connection if its ok check the fuses if all is ok buy a new top screen and replace it.

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The power light keeps blinking and it doesnt matter if i unplug the tv and plug it back in when i go to turn it back on it just blinks.


the blinking power light is actually a diagnostic of a faulty part inside the set.

Here is the diagnostic info and which part you need to replace.

1 blink STV 5v sense DG Board

2 blinks 15v SOS D Board

3 blinks 3.3v SOS D Board

4 blinks Power SOS P Board

5 blinks 5v SOS D Board

6 blinks Driver SOS 1 SU / SD / SC Boards
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7 blinks Driver SOS 2 SU / SD / SS Boards
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8 blinks Driver SOS 3 SS Board
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9 blinks Panel Config. SOS

10 blinks Sub 5v SOS / Main 3v SOS DG Board
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11 blinks Fan SOS PB Board

12 blinks Sound SOS H Board

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with IC8001 (Pesks Lite 2)

if this set is still unedr warranty, please use the warranty to replace the part. Else, have a professional install the new part for your safety.

hope this helps.

regards,

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Wont turn on


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My ds lite wont turn on i bought a new baterie and charged it with my cuzin charger and it still does not turn on it just goes on for 3 seconds and turns off and only the top screen blinks 1 and it just...


Nick625343,

Your DS Lite is damaged and needs to be sent to Nintendo for repair.

Nintendo will likely tell you the unit is beyond repair and must be replaced.

If you want to avoid the middle man, you can always purchase a new DS Lite from your local electronics retailer.


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