Tom's Hardware > Forum > CPU & Components > Other Components > HP pavilion laptop won't boot!
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BruceMyers48   10-19-2008 at 06:46:16 PM

I have a pavilion laptop dv9205 and when I turn it on it lights up the keyboard for 30 seconds and then shut down and tries again. This will go on for ever. I hear the fans and see the power lights but never boots up. This all started one day when I had left it on and it had all funny colors on the screen and then after restarting this is all I get with the power lights trying to start but can't and will reboot and try again. Could on board video cause this or would it be the mobo.

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ohiou_grad_06   10-19-2008 at 08:30:58 PM
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An old trick to try. I'm a computer tech, but an older tech taught me this, unplug it, then take the battery out, press the power button a few times, even hold it for 30 seconds or so, then see if it fires up. Sometimes that helps flush out any little bits of electricity/static that may have built up. Hope it helps. I know my wife had an old dell laptop, did something like that, used that method, it booted, also fixed an issue with it shutting down if you moved the screen and ebayed it for about 200 bucks.

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BruceMyers48   10-19-2008 at 09:27:03 PM
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I have already tried that, It still tries to star for a few seconds and then shut down and tries again untill I hold the power button down to shut it off. Thanks

------------------------------ Cannibals won't eat clowns because they taste funny!
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ohiou_grad_06   10-19-2008 at 10:11:44 PM
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What about the memory? In that case, I'd look at memory, then possibly the board. If it's under warranty though, may be time to cash that in.

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BruceMyers48   10-19-2008 at 10:22:42 PM
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no warranty, swapped memory aready. Thanks

------------------------------ Cannibals won't eat clowns because they taste funny!
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4ryan6   10-20-2008 at 01:26:18 AM
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Is the CPU cooling working?

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BruceMyers48   10-20-2008 at 07:08:25 AM
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Yes I can see the fan and hear it working.

------------------------------ Cannibals won't eat clowns because they taste funny!
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oliver_m18   12-01-2008 at 02:41:52 PM
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i have a hp pavilion dv9000. it just won't boot even the lights are on.. i had read a news that the nvidia geforce 6, 7, 8 series have faulty dies used. they fail after a period of time.. i also read that some hp laptops have extended warranty and we will be able to replace the faulty chipset or graphics card nvidia made. but it will take a long time..

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iverieli   02-22-2009 at 07:36:38 PM
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When you try the power cycle, you have to do it a certain way.

Unplug your power adapter from the laptop, remove the battery, and hold the power button for 60 seconds.

When done, do not put your battery back in, but plug in your power adapter and see if it will start.


Also, you may want to unscrew the memory panel at the bottom and take out the BIOS battery to reset the bios, then put it back in. If your BIOS is somehow corrupted this will eliminate the problem.

Try both of these and see if it works.


Message edited by iverieli on 02-22-2009 at 07:37:58 PM
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Anonymous   04-20-2009 at 02:24:55 PM
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I have the same problem w/ my Laptop. HP Pavilion dv2000. Hope the work I've done helps.

Slow Booting(15-45 min)... Mostly Not at all. Powers on, Fan Runs, No WIFI light, But everything still lights up. No Screen No reaction from Anything...

I have done a lot of work to resolve this:

Reseated Ram.
Cleaned Fan
Changed Thermal Strip to Compound. (Recommended anyway)
Reseated CPU
Swapped CPU
Checked Battery
Checked Power plug
Looked over Connections along MB
Check Ternination of Connectors on Cables. (With heat and time the plastic becomes weak and can break and crack).
Reset Bios Battery

The only improvement found was in reseating the CPU, the computer does seam to boot more regularly. But still not reliable. Plugging and unplugging the power cable while on, freezes the computer and causes a huge delay in rebooting the computer. I've seen posts on power on the motherboard can be an issue and saw a fix. I'm looking into that now... but Its been a long road. And there is a lot of crap on these forums.

Can't get Mad at just HP for this.. Its everywhere. Things are designed to break- it sucks. If you would have bought a different computer... you would be running into different or the same problems about three - five years after you bought it.

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rajadog   06-15-2009 at 06:35:22 AM
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Ive got the same problem with my pavilion dv 2000. Ive sent my pc in to hp for them to fix it 3 times for THIS EXACT PROBLEM and they still could not fix it. Than My networking card gets messed up and I cant connect to the internet and I said the least they could do is fix the networking issues and THEY CANT EVEN FIX THAT. Than I get my free version of vista from hp just to find out that my pc is not really good enough to run vista. So I would like to restore my pc and put xp back on there but they NEVER SHIPPED MY RECOVERY DISKS!!!!!!! They said that it should at least be on my hard drive but IT WANT. So I had to dish out another $20.00 to restore my computer and I get a virus and have to restore my pc again!! I have been on with hp chat support at least 10 times for at least 6 different major problems that I dont even want to talk about and they COULD NOT SOLVE A SINGLE 1. I would like to send my pc back to hp but MY WARRENTY IS OVER!!! Now I get very low frames per second while playing any games because my video card overheats. I WILL NEVER BUY A CRAPPY HP AGAIN!!!

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wheely34   06-16-2009 at 12:59:35 AM
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you did not state wat OS you are running. Have you tried repairing the OS? If your missing critical boot files, your computer will try to boot, fail, then restart itself, and it will keep doing this until you manually power it off. Insert your OS cd (dont know if its XP or Vista), boot from the CD if possible, and run the repair utility. If it is corrupted boot files (boot.ini, etc) this will fix it and the computer will start).

Of course, if it is a hardware problem, this won't fix it. Hardwaqre problems could consist of anything such as bad memory (which you seem to have ruled that out), bad hard drive (bad sectors), maybe a cooling issue....

try repairing the OS if you can boot from the CD. Or just try to boot into safe mode by tapping F8 as soon as you boot ur computer. booting into safe mode is always the first step you take...suprised no one has said this..

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stevetag   08-20-2009 at 09:57:00 AM
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I had the same problem on an HP DV9407 laptop that was not included in the extended warranty program to fix this problem. When I would turn the pc on all the lights would come on but it would not boot. Took it to a tech place and they told me the motherboard needed to be replaced. Here's what I did and this has been a permanent fix on my laptop:

1) unplug the unit and pull the battery out and leave it out for the time being
2) reseat the memory
3) with the battery still out, put the laptop in a plastic garbage bag and stick it in the freezer for about 3 hours
4) take the unit out and let it come up to room temperature for a half hour
5) boot up - mine now booted (the problem is a fan problem on the Nvida board)
6) Go to the HP web site and download the updated bios and flash it, for your laptop (it tells the fan to turn faster)
7) update, from the HP website, your Nvida driver and reboot
8) reinstall the battery and in my case all has been fine for over a month now

Sure better than $200 or more just for a new motherboard.

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