Y500 Ultra Bay modded VBIOS Issue - overclock etc

[IR1]

Hey Everyone,

So this has happened to be a few times and I figured I would finally post about it to see if anyone knows a fix or maybe knows something I dont.

The VBIOS on my ultrabay 650M gets corrupted and goes into unknown device status, thereby rendering it unusable and dropping me to one GPU. This is after the card has worked for a month on the modded bios.

Each time it happens I have to flash the card back to the stock bios, reboot and reflash to the modded bios.

Note that 90% of the time I wasnt overclocking the gpus at all, and this still happened. I think there may be a bug or something in the modded bios, or maybe its something I am doing... any thoughts?

[infamousd147]

I own a y500 with g750m

have you tried starting fresh with fresh install then updating BIOS/drivers with lenovo website listed. Then applng svl7s mod? If you vBIOS keeps getting curropt. I had to send my laptop into lenovo for a new one because the mobo has a issue in its reg to wake the laptop when you close the laptop. Espically if your running 2mobo unlocked, it sounds like you have some curroption in .net runtime loaders. Even if your not OC the ultrabay or onboard. try using <!--[if gte mso 9]><xml> <w:WordDocument> <w:View>Normal</w:View> <w:Zoom>0</w:Zoom> <w:TrackMoves/> <w:TrackFormatting/> <w:PunctuationKerning/> <w:ValidateAgainstSchemas/> <w:SaveIfXMLInvalid>false</w:SaveIfXMLInvalid> <w:IgnoreMixedContent>false</w:IgnoreMixedContent> <w:AlwaysShowPlaceholderText>false</w:AlwaysShowPlaceholderText> <w:DoNotPromoteQF/> <w:LidThemeOther>EN-US</w:LidThemeOther> <w:LidThemeAsian>X-NONE</w:LidThemeAsian> <w:LidThemeComplexScript>X-NONE</w:LidThemeComplexScript> <w:Compatibility> <w:BreakWrappedTables/> <w:SnapToGridInCell/> <w:WrapTextWithPunct/> <w:UseAsianBreakRules/> <w:DontGrowAutofit/> <w:SplitPgBreakAndParaMark/> <w:DontVertAlignCellWithSp/> <w:DontBreakConstrainedForcedTables/> <w:DontVertAlignInTxbx/> <w:Word11KerningPairs/> <w:CachedColBalance/> </w:Compatibility> <w:BrowserLevel>MicrosoftInternetExplorer4</w:BrowserLevel> <m:mathPr> <m:mathFont m:val="Cambria Math"/> <m:brkBin 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I know most of the errors come from the powerspecs required to the mainboard. make sure your powercord/battery are g2g when applying fixes. Flashing vBIOS over and over is only going to cause sys reg errors and problems. I recommend starting with fresh load, updating authenictic signed drivers, applying the new BIOS patch, then flashing the mod's for stability.

Kind of hard to help you out without more detail on the exact error your getting when it happening, and when it started to happen. Also did you purchase a 650gt ultra bay and have a 750gt onboard or do you have the older y500 version with the gt650 onboard. please list more specs, and errors : )