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Start your notebook and start tapping the F2 key. In the diagnostic screen perform the hard disk diagnostic. If the diagnostic reports a hard disk smart test fail, then your hard disk is failing and must be replaced. That is the only way you will be able to return your notebook to useable condition.
If hard disk is ok I suggest you goto HP support Forums at
it sounds like a cooling issue, just to verify this it's best to put a standard fan next to the system and see if the system works properly, if it dose then their is insufficient cooling of the internals, best bet is to get a add on fan to keep it cool. they are notorious for failing and causing the ring of death due to overheating. hope this help you.
I just purchased a referb from TigerDirect and the only issue I discovered was a lockup when the unit goes to sleep. Try holding down the power button for 15 seconds then release it to cycle the unit. Then hold the power button down again for 5 second to start it back up. I had to do this for my bluetooth to work and not freeze up. Now I just turn it on and off manually and avoid having it go to sleep. I also downloaded the firmware update to 4.86, you can download it from Magellan's website. My unit works great so if that doesn't work contact Magellan and I'm sure they will have a solution.
Lockups are caused by one of 3 things. Malware *viruses*, Bad/Missing Drivers, or heat. Run an updated virus scan first, then check your drivers, make sure everything is new. If it's not one of those, then heat build up is causing the issue. Have a tech look at the unit.
The unit works for a short time and then locks up. I have to let the battery run down till it goes off and then start all over. I have 2 units and they both do the same thing. 1 in an ambulance and 1 in a fire command vehicle. Chief Tarpley
A few things to try.
Check the event logs on your PC for Hard drive errors. If the lockups are random they could be caused by bad blocks on your drive in a paging or system file. If you see disk errors, replace the drive immediately and make sure to keep proper backups.
Next, update all drivers, especially the video driver. Often lockups will be caused by Video driver corruption. Dont be scared to install beta versions of drivers for your laptop in an attempt to resolve the problem.
Next, search out a utility boot CD from the internet. There are several, usually running linux but most contain a memory test utility that you want to run for a long period of time (several hours) to see if after a stress period you start getting memory errors.
Next, search for speedfan on google and install it to monitor the temperature on your processor, this problem could be caused by dust buildup on the processor heat sync or cooling fan. Generally it would take some time to have this problem lock up the system, however, after the first lock up and reboot subsequent lockups would happen more quickly.
Many laptop repair depots will do a service for under $100 where they will dissassemble the machine, clean the heat sink and fan (or replace it) and apply new thermal grease.
This is a common problem but not an easy one to diagnose
because it has so many causes. Here are
some common causes of lockups:
Hardware incompatibility or incorrect device driver
Video card problems
Dying power supply
Processor getting too hot
The first step in diagnosing the problem is to keep a
journal showing exactly what you were doing each time the
system froze. This can help you spot patterns - for
example, if the lockup occurs when you try to print, or
whenever you play a sound, that suggests a problem with
the specific hardware device or its software driver.
Heat, bad RAM or a power supply that's about to give out
are more likely if the lockups are random.