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Compaq v3155 i have compaq v3155...problem is wen i switch on that,it does nt get switched on...only the lights on the keyboard come..s it mother board problem...?? wat shall i do for that??

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  • dhruba197 Sep 22, 2008

    i have compaq v3155...problem is wen i switch on that,it does nt get switched on...only the lights on the keyboard come..s it mother board problem...?? wat shall i do for that??

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  • 78 Answers

Make sure the monitor is connected properly to the CPU cabinet from the back.

Posted on Sep 24, 2008

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hi there, i was replaced my hp Compaq nx7300 laptop's keyboard but its not working what else could be wrong can you give any hints on mother board repair b caz iam also hard ware engineer

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Everything ok yesterday and at least the last two years. Today switch on (several times) green, blue orange lights come on, nothing on screen, then everything shuts down.


Sounds like Maxim 1987 chip needs resoldering onto mother board. There's many entries on Google that tell you how to do it, but it's a hard fix for a non expert solderer. Pressing down on the right hand side of the keyboard as you switch on will often allow the laptop to start up (temporarily). GOOD LUCK!

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This is was with me too. I know how to fix it. Remove all cables from your cabinet, i mean like keyboard, mouse, moniter etc. Remove your ram too. Then press your power button from 30 seconds. wait for 10 mins plugin all cables and turn it on. Hope it works for you.

Best of luck.

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There is sme problem wh ma laptop wen i am


If the screen shows a picture but very faintly, the inverter is either not connected properly or faulty.

If there's nothing on the screen at all

1) Your screen is either not connected properly or faulty.

or 2) *********** board has a fault.

or 3) Your graphics card/chip has a fault.

You can connect your laptop to another screen using the VGA port on the back. You have to switch to the spare screen using the keyboard, usually Fn and another key. If the spare screen then shows a picture, *********** board and graphics card are OK, your screen is at fault or not connected properly.

Checking the connections to both the inverter and screen will require dismantling you laptop. If you go about this, ensure all power, including the battery is disconnected.


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Only part of the keyboard types


hi this is basha ..
my pc compaq motherboard support. i last drivers. i want to know vga drivers or mother board model ,,, how can i find it both.

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My Compaq Presario v2000 laptop does not power up after pressing the power on switch. It all started whenever I hibernated it. But it worked after several attempts. Now it has become dead. Can you help?...


Generally this type of problem arises due to Battey. But in u r case it appears like a Mother Board Problem.So u better to visit nearer HP/compaq Service Station u can extende warranty for another year if ur previous extended warranty expired within 6 months...there is a provision in HP Customer Support.
Apart from this You can buy third party Mother boards compatible for V 2000 in other Laptop Acessories store

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Compaq Presario v5000 desktop


Is there a power switch on the back of the power supply which is not on? Make sure the power cord is good and plugged into a good power source. Do the fans run inside the system? Is the fan for the power supply working? If not the power supply could be bad. You can purchase a power supply tester to plug the mother board connector into to verify the operation for about $15.00. Do you see any lights on the mother board and the Hard Drive light flickering? If you do and your Key Board lights are on your video controller or monitor could be setup wrong or defective. If the power supply tests good then you need to test the memory and CPU. You could also carefully remove all boards except the video card, mother board and memory and see if it boots up.

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I've seen several of these. All have been the connector. On the bottom of you on/off switch is what Compaq calls a button board. This board if OK but it plus into a connector on the mother board. If you look at this connector closely with a magnifying glass as you attempt to remove the button board you'll notice that the connector is coming off the mother board. The pins for this connector are almost as thin as a human hair. I don't know of any way to repair this. HP is only illing to sell a new mother brd. Good luck.

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How do i remove the keyboard


Use this link for a video tutorial from HP.

In the list you will find a choice for keyboard.

http://h20181.www2.hp.com/plmcontent/NACSC/SML/results.htm?SID=384511&MEID=F2DAF231-84E4-4AE7-BE71-BB1CA8A20D6A

There are other videos listed there as well that may be usefull. Hope this helps.

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