Harddisk Does Not Exist/No Bootable Device Available: What Does This Mean?
Simply put: "Harddisk Does Not Exist/No Bootable Device Available" means your computer can't find your harddrive. Aka: Hard Disk or HDD. The hard drive is where data is stored on your computer (files, programs, photos, everything), this includes Windows or whatever operating system you have installed. Since your computer "can't find" your hard drive (HDD)... it can not boot (start) Windows or other OS...and you are stuck.
How do i fix this problem?
Try removing and the re-seating the Hard Drive. To do this, shut down the laptop, remove the AC Adapter then remove the battery. Now hold down the Power button for a good 30 seconds. On the following link is a video showing how to remove a Hard Drive in a HP Laptop. http://www.youtube.com/watch?v=aEYwCUejhEY
Although the model is different, the process will be almost identical. You just need to follow the first part to disconnect the drive from the laptop, then just reconnect it straight away.
When the drive is reconnected and you have replaced the cover, re-insert the battery, plug in the AC Adapter and then see if the notebook will now boot.
Why Does Removing and Putting-Back a Hard Drive Fix this Error?
Sometimes, the connection to the HDD gets loose -- removing it and putting it back in (push it into the slot firmly to make sure) can fix this issue instantly. Dell laptops seem to be especially associated with this issue.
I also think perhaps removing and re-installing (physically, not software-wise) the hard drive resets things back to normal. Kind of like how if your computer is acting weird, the first step is generally to turn it off and on again.
Laptop Disassembly Guides:
Below is a link to illustrated guides on how to take-apart HP laptops.
Use this link for almost all hp laptops:
If your model isn't listed in the link above, do a Google search for "disassemble brand /model" -- replacing "brand / model" with your own computers name. For instance if you have a HP Pavillion G6, your search term would be "disassemble HP Pavillion G6".
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Best wishes,
CEO,
