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Switch ON Abnormality HP Pavilion DV200o "HP Pavilion Entertainment PC" Laptop


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#1 kileM

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Posted 13 March 2016 - 06:07 AM

Hello Friends, 
 
I have a HP  Pavilion DV200o "HP Pavilion Entertainment PC" Laptop with with the following specifications:
HP Pavilion DV2000 (RG414UA#ABA)
Sytem Board ID: 30B5
Procwssor: AMD Turion ™ 64 x2
Speed: 1600 Mhz
Memory: 2048 (2 GB)
BIOS Version: F.39
Graphics by nVIDIA sticker attached on the laptop.
 
Operating System: Windows 7
 
AC Adapter 19V - 7.74 Amps
 
THE PROBLEMS:
  1. Whenever the power is switched on it will display a blank screen even if you leave it on that state for hours and no error beeps can be heard. If you switch it off and on again the display turns on.  
  2. When the Laptop works normally the message "No Operating system found" is displayed.

I have tried to check on Hard disk When you take it off and put it back it works for sometimes. I have tried to use the hard disk on another laptop. The hard disk works perfectly.

 

NB: The AC Adapter "19V - 7.74 Amps" voltage output when checked by multi-meter is 18.75V

 

Need your help to sort out my laptop's faults. Your help is highly appreciated.



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#2 ScathEnfys

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Posted 13 March 2016 - 11:13 AM

Normally I would request a Speccy scan, since you can't boot that seems out of the question.
 

The AC Adapter "19V - 7.74 Amps" voltage output when checked by multi-meter is 18.75V

I would guess that to be within acceptable margin of error. Let's ignore that for the time being.

I would like you to try to boot into the BIOS. You usually do this by pressing a function key or the delete key. If you do not know which key to press, let me know and I will look it up for you.

If you successfully boot into the BIOS, do you see your hard drive listed in the boot options?

I have tried to use the hard disk on another laptop.

By this do you mean that you tried to boot the disk in a different laptop or that you were simply able to read files from it?

Let me know if you have any issues or need further clarification on anything I said :)
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#3 kileM

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Posted 13 March 2016 - 11:29 AM

  1. Yes i can successfully enter BIOS Setup. At sometimes it is detected and other times it doesn't.
  2. Yes. I did. I used it as an External Drive and managed to do the backup. I later did a fresh windows installation and used it on the faulty Laptop. It worked for sometime. I started experiencing the same fault - "No Operating system found".


#4 ScathEnfys

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Posted 13 March 2016 - 12:33 PM

Yes. I did. I used it as an External Drive and managed to do the backup.

Could you try booting from the hard drive on a different PC? I would like to rule out a HDD issue.
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#5 kileM

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Posted 13 March 2016 - 02:56 PM

Yes. In a different PC works fine.



#6 ScathEnfys

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Posted 13 March 2016 - 03:02 PM

Alright, so it's looking like it's not an issue with the disk. Do you have a USB bootable device or bootable CD you could try booting from on the malfunctioning laptop? Try that if so. If not, I'll give you a download link for a simple bootable disk you can burn.


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#7 kileM

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Posted 13 March 2016 - 03:11 PM

Send me the link please.



#8 ScathEnfys

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Posted 13 March 2016 - 03:16 PM

Memtest86+ memory diagnostic tool memory diagnostics may not be needed but you need something to boot from and I personally like to keep one of these lying around just in case.


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#9 kileM

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Posted 13 March 2016 - 03:22 PM

Thanks ScathEnfys. I will let you know the results.



#10 ScathEnfys

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Posted 13 March 2016 - 03:24 PM

No problem. Oh and you don't need to run a test all the way through. I just want to see if the laptop will boot from something.


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#11 kileM

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Posted 13 March 2016 - 03:40 PM

Yes. It Boots.



#12 ScathEnfys

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Posted 13 March 2016 - 03:43 PM

Ok, so that implies that there are no issues with the motherboard itself booting... The culprit is likely a connection between the HDD and motherboard... I'll have to do some research so I can find out how your specific laptop connects the mobo to the HDD.


Edited by ScathEnfys, 13 March 2016 - 03:44 PM.

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#13 kileM

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Posted 13 March 2016 - 03:48 PM

Thanks a lot for your assistance.



#14 ScathEnfys

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Posted 13 March 2016 - 06:14 PM

No problem :) Hope we can find the issue eventually..


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#15 kileM

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Posted 14 March 2016 - 12:30 PM

Thanks. Looking forward to your solution.






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