Don315

I noticed that when I use diskpart on my desktop to see the volumes, the 'System_Res' volume is 100MBs, as opposed to 260MB on my laptop (Lenovo/OEM thing?). Also that it has 'Boot' listed for it in the Info column, whereas the 'System' volume on the laptop does not. Obviously, that lead me to further believe it's a bootsector problem. But with the 'system device is not accessible' and 'partition not a MBR format', I can't get very far repairing it. Every time I search for a fix, it leads back to bootrec.exe /RebuildBCD or something similar, but I'm pretty sure all of those threads didn't have to deal with GPT volumes, as I don't often see them mentioned. Or if those commands SHOULD be working for me, then I have the wrong volume Active or something like that that's preventing me from fixing it. I'll continue the search for an answer more suited for my hardware/software, but I have no reason to get my hopes up just yet Edit: Would the bootrec commands not be working because I'm not using a 'UEFI' USB drive for my Windows 8 Recovery Disk? I don't have much experience with GPT, nor fixing these type of booting issues in general. But while searching I found this page- http://www.eightforums.com/tutorials/15458-uefi-bootable-usb-flash-drive-create-windows.html and it got me wondering if maybe that's the problem? I'll give it a go while waiting for a reply, but I doubt that with my luck this will fix everything.

Other than the USB legacy setting, the only other legacy one I can change is...I forgot the exact name, I'll be home from work in an hour. But it was just which type of drives to boot from first, EFI or legacy. That I tried changing but didn't seem to affect much. I had to set the USB one to Legacy to get it to read my Win8 thumb drive.

Hello and thank you to anyone in advance that might be able to help me. The issue started while my younger brother was borrowing the laptop, so I don't have exact details on how it initially started (he claims he didn't do anything out of the ordinary, just happened after a restart). I do have many tools on the laptop though, and though I don't know for sure if he's telling the truth, we all know the damage something iike EasyBCD could do if it's played around with. I hope that's not the case. So, the point I'm at now...I can get into the BIOS and everything fine, and I see the hard drive listed in the BIOS, but Windows doesn't load. I don't have much experience working with GPT partitions, so I don't think this is something I can fix with my initial idea- bootrec.exe /FixMBR /FixBoot /RebuildBCD. The first 2 completed successfully, but RebuildBCD tells me the system device cannot be accessed. I used diskpart and there is 6 or 7 volumes, one of which is a 260MB volume labeled 'System'. I tried selecting that one and using the bootrec commands but when it said it wasn't a MBR partition, I knew I needed help. Has anyone else had this problem? How would I go about rebuilding the BCD/boot-sector on this laptop? I can't make many volumes active, because I get either 'System device cannot be accessed' or 'Not a MBR partition'. So I don't know which one to make active nor do I know which commands to run from the recovery environment. Any help would be greatly appreciated. Please let me know if there's any other information needed also.

Yeah that may have been me he was referring to. I flashed and was crashing every 5-10 minutes on a clock speed I was stable at for many hours. Wasn't really looking for support on another forum, just was going to wait and see if it was working for everyone else, and that way I'd know if it was just my card that sucked or if it was the BIOS that needed tweaking. Looks like it was my card's fault since I've seen many others have had success with the BIOS, but my card didn't agree with it for some reason. I swapped cards around when I had to put my Titan back in to flash it back to the stock BIOS before selling it, so I think I'm going to try doing this other 780 now and see if I get better results, since it seems like the stronger one of the two anyways. Thanks for everything svl7

Hope this is the right place to ask... Saw in another thread that someone was running their 650m SLI overvolted. Is there a guide for this? Or just a BIOS that someone could point me to? Would be much appreciated

How exactly can you overvolt the 650m's? Went through the whole flash/unlock and everything is running great. Would love to know how these can be overvolted.

I can tell you one thing...it's definitely not helping. But that's actually within spec. I believe mobile 600-series GPUs have a max operating temp of around 100C before they shut down? So I mean...it may not last 10 years, but it also won't die tomorrow. Have you tried a cooling pad, or is it just really warm in your house?

Sorry. Double post.

Hello svl7. I asked about this in another thread and then just found this one, so, I think I should probably ask here... I've been looking around for a modded vBIOS for my 650m's in my Y500. Would this vBIOS work on my 650m's? Or is it just for the M14xR2? If it won't work on my 650m's, is there one that will? Thanks again for everything. Love reading your threads

Would like to open with a huge thanks to svl7 for everything he's done. I found this site through being referred to the Y500 unlocking guide and have been browsing around it ever since. Ended up landing on this thread, and was just wondering...is there any modded vBIOS's for the 650m's in my Y500? I followed the Y500 guide to unlocking it and have my 650m SLI running at 1120mhz/4800mhz, but temps actually stay relatively low and I was wondering if there's any modded BIOSs out there other than the one I flashed to using that guide. Thanks again for everything.