April 24, 2011 at 5:09 pm #29133karnParticipant
My laptop has the no beep, black screen issue. However every 10 seconds or so it just reboots itself and keeps that cycle going till I manually shut it down. It doesn't get to the windows logo. I took it apart and tried the heatgun method, and reseat every single thing that wasnâ€™t loose and nothing. still the same old thing. Sounds like the motherboard. What do you think? The laptop is a few years old but rarely ever used. I also tried a hard reset, removed the battery and tried straight from a plug. Any ideas what it is so I can replace it? the fans start running and the lights come on but then it reboots itselfApril 24, 2011 at 11:12 pm #33243MitzKeymaster
Wow What is the heatgun method? Did you do all the usual things first like checking the memory and so on?Also did your computer actually get to the bios or anything...? I know you said the logo screen didn't show, but what did?April 25, 2011 at 7:24 am #33244karnParticipant
[youtube]http://www.youtube.com/watch?v=ctHTF3oNdxI[/youtube]I don't have an HP but a similar problem so I figured it was worth a shot. no dice though.Yeah I tried using 1 ram at a time and even none but the same thing. Nope nothing appears, no bios, no beeps, nothing. I don't have a problem replacing the MB but I just want to make 100% sure is all. It sure sounds like it. The fans turn on briefly and the lights turn on, but it's just a black screen for about 10 seconds then it automatically reboots over and over till I manually shut it down.My brother bought it a few years ago but I bet it was used at the most 20x. I had used it before to test my internet connection because I just moved. I gave it back to him and it started doing this. very strange :/April 26, 2011 at 10:21 am #33245MitzKeymaster
wow I have seen that video and thought that all that was a lot of work!If this was a desktop I would suggest that some part got dislodged in moving it...but since it is a laptop, they are built for movement. Can you press F8 to get into the boot menu? When you say lights...is this the power light? What about the hard drive light showing that the hard drive is working? I am presuming that this is not an error caused by a virus or something that you did.If you have tried the memory, made sure it is in correctly, clean and dust free.Then I would try a different hard drive...you can use another laptop hard drive. You could also put the hard drive in an external case and do a few checks on it...chkdiskHave you inserted the windows cd to see if it will start?
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