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  HP DV9700 
 
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Hugh McGee Jul 27, 2012, 01:24pm EDT Reply - Quote - Report Abuse
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hi guys, i currently have a dv9700 in my posession that is giving me a headache... the laptop wont charge the battery nor will it power up with the power connector plugged in.... however, if i put a fully charged battery into the laptop, it will boot up... although it wont charge. this led me to believe the power board could be knackered... so i had a spare one laying around, tried this... still the same...

i know these laptops are riddled with issues, but has anyone ever come across this before? is there a design fault with this that someone knows the cure for??

thanks in advance guys


AMD X2 4200+ AM2
4GB Corsair XMS2 TwinX 800mhz
Leadtek 512mb 8800GT
Samsung 2232BW Pebble
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Laptop Willie Jul 29, 2012, 06:38pm EDT Reply - Quote - Report Abuse
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>> Re: HP DV9700
Hugh McGee said:
hi guys, i currently have a dv9700 in my posession that is giving me a headache... the laptop wont charge the battery nor will it power up with the power connector plugged in.... however, if i put a fully charged battery into the laptop, it will boot up... although it wont charge. this led me to believe the power board could be knackered... so i had a spare one laying around, tried this... still the same...

i know these laptops are riddled with issues, but has anyone ever come across this before? is there a design fault with this that someone knows the cure for??

thanks in advance guys


It would appear that you have a problem with the GPU. (Graphics Processor Unit)I know it doesn't sound logical, but many problems have been linked to this GPU. You may have to replace the system board or get a repair service to "reflow" the GPU.

Laptop Willie
check out laptopwillie.com
Hugh McGee Jul 29, 2012, 06:59pm EDT Reply - Quote - Report Abuse
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>> Re: HP DV9700
I have performed a reflow on the system using liquid flux. Also used a copper shim and thermal compound.
Would you suggest a reball instead? I'm waiting on a reball jig being delivered along with the g80 stencil for the gpu.

AMD X2 4200+ AM2
4GB Corsair XMS2 TwinX 800mhz
Leadtek 512mb 8800GT
Samsung 2232BW Pebble
Laptop Willie Jul 29, 2012, 08:03pm EDT Reply - Quote - Report Abuse
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>> Re: HP DV9700
Hugh McGee said:
I have performed a reflow on the system using liquid flux. Also used a copper shim and thermal compound.
Would you suggest a reball instead? I'm waiting on a reball jig being delivered along with the g80 stencil for the gpu.


Using the liquid flux and heat gun should have done the trick. Provided of course no other mounted part was damaged in the process. In reballing the GPU, I suggest lead solder be used. I know it isn't politically correct, but the lead-less solder hasn't proven it holds as well to me. If the problem IS the GPU you should have seen some improvement. If not, reballing may be a needless expense. I personally would go for a refurbished system board.

Laptop Willie
check out laptopwillie.com

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