Administrators Hervé Posted January 24, 2014 Administrators Share Posted January 24, 2014 Download DSDTEditor from Olarila.com. The app comes with a set of patches, one of them being the Gigabyte Shutdown. Try it, I used it on my Vostro200 (a close cousin of the Optiplex 755) and it sorted out the shutdown issue. Link to comment Share on other sites More sharing options...
Wayne Posted January 24, 2014 Author Share Posted January 24, 2014 Have just installed the gigabyte shut down and now my mac won't get past the start up screen it has a no entry sign or something about the mac logo please help!, all my music files are on the drive Link to comment Share on other sites More sharing options...
Wayne Posted January 24, 2014 Author Share Posted January 24, 2014 I'm getting kernel panics and everything now , Link to comment Share on other sites More sharing options...
Wayne Posted January 24, 2014 Author Share Posted January 24, 2014 Here is a pic of what's on my screen The 755 won't fire up at all now, all I installed was the gigabyte shutdown patch via the DSDT program as mentioned . How can I boot up the computer ,,didn't expect this to happen to be honest as I thought the patch was for shut down and nothing else. Link to comment Share on other sites More sharing options...
Wayne Posted January 24, 2014 Author Share Posted January 24, 2014 I managed to get the computer back to how it was before by removing the hard disk , placing it in my mac pro and downloading the dsdt again out of the boot pack and replacing the dsdt which had been altered to included the gigabyte shut down boy that was a close one, still won't power off though Link to comment Share on other sites More sharing options...
Wayne Posted January 24, 2014 Author Share Posted January 24, 2014 Hopefully someone will have answer to this lack of shutdown issue Link to comment Share on other sites More sharing options...
Administrators Hervé Posted January 24, 2014 Administrators Share Posted January 24, 2014 Oh wow, I thought it'd been mentioned enough times on the forum before... When you play with DSDT editing, you NEVER totally replace the current DSDT file until you're happy with the edited table! What you do is save the new file under a specific name and you manually call on that new DSDT through Chameleon option: DSDT=/. This allows you to reboot with your existing working table in case there is a problem with the new one! Link to comment Share on other sites More sharing options...
Wayne Posted January 25, 2014 Author Share Posted January 25, 2014 Sorry Herve I didn't realise that but I did manage to get the dsdt back via the method I'd improvised thankfully , still have the no shutdown though Link to comment Share on other sites More sharing options...
Wayne Posted January 25, 2014 Author Share Posted January 25, 2014 Oh wow, I thought it'd been mentioned enough times on the forum before... When you play with DSDT editing, you NEVER totally replace the current DSDT file until you're happy with the edited table! What you do is save the new file under a specific name and you manually call on that new DSDT through Chameleon option: DSDT=<path>/<filename>. This allows you to reboot with your existing working table in case there is a problem with the new one! Apologies , how do you manually call on the new file through Chameleon please, how do I access Chameleon?, will it reboot the system to see of the new file works or something else, as I say I'm not that spruced up on these things. And can you name this new dSDT anything you like?. Do you need to use the <> when typing in the name I'm new to this and don't know how to access the Chameleon settings and options, thanks for any help I'm taking this slowly as I'm a newbie. Link to comment Share on other sites More sharing options...
Wayne Posted January 25, 2014 Author Share Posted January 25, 2014 have read that the motherboard is model HX555 online don't know who manufactured it though?, how do you check which motherboard you have have loomed in Bios and it doesn't say?, my computer are the Ultra Small Form Factor ones?, Dell made three sizes of these machines , large , small form factor and , ultra small. Perhaps that's why the gigabyte shutdown didn't work?. How do you find out what MB is in the machine . Apologies for not being that good on this but we all have to start somewhere. Link to comment Share on other sites More sharing options...
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