| 31 hp wont work what is the problem, on Dec 31, 2008 5:15:30 am GMTSame problem with hppavillon dv2000 took out hardrive, memory and still the same problem wont boot up even the bios dont show anything on this by anyone | 32 Perry, on Dec 31, 2008 1:53:26 pm GMT2 Things: HP emailed me with a fix that seems to be working! AND they are going to fix my laptop for free even though it isn't under warranty (see all the info below).
The problem seems to be related to static charge buildup (which a few of my friends have had troupble with on their non-hp laptops)
Before emailing HP I tried just about everything:
-Took the whole laptop apart and cleaned the motherboard with this spray cleaner for chips
-Removed the RAM and cleaned it
-Deleted EVERYTHING from the hard drive and put Vista Business on (instead of home premum)
-Flashed the BIOS with that new update and updated all drivers.
The problem is still there...
So I emailed HP and explained it to them. I have a dv2000 (dv2422ca) that is a year and a half old (so 6 months past the warranty). They gave me a temporary fix (pop out battery and unplug, hold the power button for 30-60 seconds, power on with AC power only). They are also going to repair the laptop (I'll let you know if they manage to fix it).
Here is there emai:
Dear Perry,
Thank you for contacting HP Total Care.
From your E-mail, I understand that after turning on the notebook there is no display on the LCD screen of your notebook and also the Wireless card is not being detected on your notebook.
I understand your concern and please be assured that customer satisfaction is very important to us, and I will provide the necessary assistance in this regard.
The issue you are experiencing is due to hardware malfunction with the notebook and for both the issues, it requires an onsite diagnosis.
The issue you are experiencing might be due to static charges present on the notebook or due to hardware malfunction with the System Board. To confirm the issue, I recommend you to perform Power drain from the below steps:
==Power Drain===
I would like to inform you that due to regular use of the notebook, some static charges tend to stay in the computer, and sometimes results in not allowing the computer to start. To solve this, kindly perform the following steps:
1. Shut the computer down.
2. Disconnect the AC adapter and remove the battery.
3. Press the power button down for about 30-60 seconds.
4. Reconnect the AC adapter and the battery.
5. Restart the computer.
Try restarting the computer only with the AC power, without the battery and vice-versa.
Now, I recommend you to check with the issue.
If the issue persists, then it is clear that the issue is due to hardware malfunction with the notebook and for both the issues, it requires an onsite diagnosis.
I have checked our database and found that your notebook is out of warranty. But HP has encountered a Hardware problem with few models of DV2000 series and your notebook is one of them. I am happy to inform you that I would process the request for a mail-in repair service for your notebook.
Please complete the information below so that I can process your request for the mail-in repair service: | 34 Jessman275, on Jan 2, 2009 2:18:21 am GMTHey I have the same problem with my dv2000. It has started to get worse too! Who did you contact at HP for this? Do you have the email address? Or was it just customer support.
Thanks
Jesse Magruder | 36 jerkchick, on Jan 4, 2009 1:53:02 am GMTMy dv2000 much more often than not does not start i.e. screen does not come on, leds do come on & 1 long and 2 short beeps.
Cause: GPU/Heatsink thermal glue failure leading to overheating and dry joints. HP are aware of this problem but will only fix within waranty
Google says >>>>
One long beep and two short beeps indicates that the GPU chip is not working.
I have found that the GPU gum between the GPU and the heatsink is meant to fill about a 2mm gap, but the gum dries out and cracks. When this happens the chip overheats, and the BGA pins on the gpu loose there connection. If you leave the power on after the beeping and block the vents a bit, the GPU/CPU heat sink warms up enough to expand the solder on the BGA pins and make a connection and the laptop will run. But eventually the solder will fully fracture, and a ball may come off and then you are totally stuffed.
Fixing the heat sink does not fix the problem - its the cause of the problem though, so if you do get yours fixed, I would recommend opening it, scrapping off the blue gum, and inserting a 2mm peice of copper plate on-top of the GPU and using siler thermal paste to connect the GPU to the copper plate and then again on the other side to connect to the heatsink. But this won’t fix it if its already dead. (I tried it and I get the same long beep, two short beep).
To fix the problem you have to re-flow the solder on the BGA. This should be done as a last resort (after your laptop doesnt turn on any more even when you heat it up). You have to strip down laptop to the motherboard. Bake the motherboard in a fan forced over at 80 degrees celcius for at least 24 hours (to get rid of any moisture that might be in the chip or solder). Immediatly after you take it out of the over, you need a hot air gun capable of reaching about 300 degrees. Heat the entire GPU chip and its board (don’t worry - all components can take 300 degress celcius for solder-reflow and did when the board was made). Keep bumping the GPU chip very slightly with a small screw driver, it will eventually become loose. Don’t lift it up however. Just keep the heat on for a few seconds to let the solder reflow and make a connection with the balls underneath.
After that let it cool down and plug everything back in and it *Might* work. If not can you heat it up and try again. | 47 wp, on Jan 17, 2009 2:08:55 pm GMTJerkchick,
My Hp laptop has no sign of life except the LED ring around the power plug lights when plugged in. I totally stripped it and removed the mother board except for CPU, Graphics chip, RAM chips, power switch and power plug. Same results. If it were working properly, shouldn't I get some of the other LEDs to come on and maybe a fan, even in the stripped down condition?
My guess is either the motherboard is bad (although no sign of burns anywhere) ... or ... the power adapter is bad even though it registers 18.5 VDC.
Thanks for your help,
wp | 62 mc, on Jan 28, 2009 8:40:45 pm GMTIf it has a small flat cable connecting MB to the power switch, check if the cable is intact. I found mine on the dv6000 to have a break, so I was not able to power the lt on. Found a post abot the cable and got a replacement cable that works from digikey
mc | 63 wp, on Jan 30, 2009 12:07:32 am GMTDo you have a link to the post? I tested my power switch with a volt meter and it seems to be working. I also tried directly shorting the two pins where the switch cable connects to the motherboard and that didn't help .. but I'm not sure how it is supposed to work.
wp | 64 mc, on Jan 30, 2009 1:19:09 am GMTWhat notebook model is it any way. This is where I found info on the cable:
http://www.fixya.com/support/t638085-re_9269d
My dv6000 lost sound thru the internal speakers. The earphone jacks worked just fine so I started tracing the signal back from the speakers and found the break in the left cable running from the power switch board to the mother board. I tried to reseat that cable looking for bad connection. During this exercise I lost the ability to turn the laptop on with the power switch. I had the blue power light on at the power connector, but nothing else was happening.
I searched for the part number found on the cable and found the post at fixya. I delt with digikey before so it was easy to find the info on the cable. They sell them for 4.95 each PN HFF-12U-06-ND. Placed an order for 4 since I have another dv6000 and wanted to have spares just in case. In the mean time I needed to use the laptop. There is another cable with same configuration connecting mb to the touch switches on top. I used it instead of the bad one and was able to power the laptop on. Touch switches were not working but latop powered on and had sound. Once the cables arrived I replaced both cables and everything is up and running now.
mc | 73 wpagot, on Feb 7, 2009 2:03:57 pm GMTMc,
My laptop is a pavillion DV2715nr. Thanks for the suggestion of the cable. My power switch board has a 3 wire cable (not ribben cable) with 3 pin mini connector. But your symptoms during troubleshooting sound very simiilar to mine. I Tried just momentarily shorting the two switch-connected pins to see if that would substitute for the actual switch and that didn't help. -- wp | 75 mc, on Feb 7, 2009 9:48:16 pm GMTThen U may want to check with HP, some models have problems with motherboard itself.
My dv6000z stopped seeing the wireless adapter twice. The first time HP replaced the wireless adapter as well as motherboard. That was within the 1 year warranty. About 8 months later after installing SP3 (probably coincidence) the wireless stopped working again,. They replaced the motherboard again under warranty.
When I looked around for troubleshooting info I came across extended warranty from HP due to the problem with those motherboards. Yours might fall into that category as well. Check with HP.
mc |
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| 139 ACS, on Sep 8, 2009 1:02:45 am BSTDid you ever get your laptop to work? What was the problem? The right around where you plug in the ac adapter lights up on mine. Same problems you are having. Please let me know. Thanks |
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| 41 Bob, on Jan 13, 2009 7:33:58 pm GMTI tried the AC remove solution and it works fine for me now! Thanks a ton for posting this here! -_- | 45 tyler, on Jan 17, 2009 5:24:02 am GMTHey everyone, had the same problem, all i did was take out the battery, and unplug the laptop. the you hold down the power button for about 30-40 seconds, then put only the AC plug in and turn it on. worked for me.... might for you too. |
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| 51 sami, on Jan 20, 2009 3:54:16 pm GMTWhat representative of HP did you contact to find out the issue with your laptop not working? |
| 54 Axl, on Jan 23, 2009 4:24:03 am GMTOh my god.this is what exactly happenned on my DV! even the power drain is of no use.Doesn't work!!! | 58 irritated beyond belief, on Jan 26, 2009 2:07:19 pm GMTHad exactly same prob, power drain doesnt work, called HP today they said the graphics card has gone, but as the graphics card is built into the motherboard I need a new mother board! laptop only 18 mths old! great!!! | 60 g, on Jan 28, 2009 2:38:23 am GMTMaybe your CD / DVD drawer is jammed. Try inserting a CD to reset the spring. | 93 Grant Sdg, on Mar 10, 2009 5:48:47 pm GMTThis has happened to my PC a couple of times, and it so annoying. the main problem is usually the motherboard, which may have overheated or shorted out. Also this can cause the power supply to also short out, sometimes in a spectacular fashion. lol | 94 diabblo, on Mar 14, 2009 4:40:40 pm GMTTo all the ppl who are having issues with there hp's where the led lights are turning on but the screen is blank you should call them because i just found out there is a product recall on a bunch of there laptops due to the motherboard issues...im sending it in and they are gonna fix it for free i have a dv6000 series laptop.... here is the link for the page or jus call the customer reps....http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&cc=uk&docname=c01087194&dlc=en | 101 TeRiKaCang, on Mar 25, 2009 9:01:17 am GMTI have the same problem with my HP TX1209au
First, I think the notebook infected by virus ...
The symptoms has been happening to me repeatedly
I got so frustrated about that and my nail become victim ... broken cause switching on and off repeatedly :( :(
How the fixed solution for this ?
I' m so tired ... why to start HP notebook similar with to start old car ? | 105 marciew60, on Apr 2, 2009 8:33:07 pm BSTI have an HP Pavilion zd8000 which for many months now has only occasionally booted after 2 short & 1 long beep. I tried everything including send out for repair, but no joy until today. This may be a fluke, but it worked for me, so I thought I'd share. My laptop has booted successfully 6 times today.
Here is what worked for me: Right click on Local Area Connection/ Properties/ Connect Using: (mine is Realtek)/ Configure/ Advanced/ Enable: Optimal Performance, Enable: Speed: auto. I disabled everything else. On the Power Management Tab, Do NOT check: Allow this computer to turn off this device to save power.
My Realtek driver date is: 01/12/2009. I hope this works for at least some of you. Good Luck! |
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Computer doesn't start motherboard does not beep