I'm ruling out the possibility of a GPU failure, cause I've had a fair few HP DV6's that have had a bad GPU, but this is nothing like that.
The Caps Lock and Num Lock do not flash continually.
However, upon powering on the laptop - within the first second, they sometimes flash for a very, very brief moment.
I've tried the usual:
- Removing the CMOS battery for a few minutes and reseating it.
- Removing the battery + power adapter and holding down the power button for 30 seconds, before powering everything back on again.
- Changing RAM sticks with other perfectly good ones.
- Changing the HDD.
- Plugging it to an external display
I've even removed both ram sticks - because this laptop has an onboard speaker capable of producing beeps - however, no beeps were heard even after removing both ram sticks and powering laptop on.
Disassembled the laptop, nothing was burnt on the board or damaged.
The laptop was working flawlessly up until a few weeks ago. Turned it on one morning and there was no display. It didn't stop working gradually. There weren't any BSOD or freezes or a gradual decline in performance. It just happened suddenly.
Hasn't suffered any accidental damage and on the whole, the laptop has been well kept.
Video of what it's currently doing: https://vimeo.com/124508610
^^ The ticking that you hear in the video prior to the laptop being started is from my own custom build, it's coming from the PSU and has been that way for over a year, I've checked the PSU and there's nothing obstructing the vents inside. Don't know what's causing the noise, but any input would be nice! Cheers.
I need a sure way of knowing that it's definitely the motherboard and not the CPU, I need to know whether I can do anything myself to fix it or whether I need to buy a new Motherboard/Laptop.
Thanks.
The Caps Lock and Num Lock do not flash continually.
However, upon powering on the laptop - within the first second, they sometimes flash for a very, very brief moment.
I've tried the usual:
- Removing the CMOS battery for a few minutes and reseating it.
- Removing the battery + power adapter and holding down the power button for 30 seconds, before powering everything back on again.
- Changing RAM sticks with other perfectly good ones.
- Changing the HDD.
- Plugging it to an external display
I've even removed both ram sticks - because this laptop has an onboard speaker capable of producing beeps - however, no beeps were heard even after removing both ram sticks and powering laptop on.
Disassembled the laptop, nothing was burnt on the board or damaged.
The laptop was working flawlessly up until a few weeks ago. Turned it on one morning and there was no display. It didn't stop working gradually. There weren't any BSOD or freezes or a gradual decline in performance. It just happened suddenly.
Hasn't suffered any accidental damage and on the whole, the laptop has been well kept.
Video of what it's currently doing: https://vimeo.com/124508610
^^ The ticking that you hear in the video prior to the laptop being started is from my own custom build, it's coming from the PSU and has been that way for over a year, I've checked the PSU and there's nothing obstructing the vents inside. Don't know what's causing the noise, but any input would be nice! Cheers.
I need a sure way of knowing that it's definitely the motherboard and not the CPU, I need to know whether I can do anything myself to fix it or whether I need to buy a new Motherboard/Laptop.
Thanks.
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