DFU Mode. Is it possible in anyway to enter this mode without a computer?
Hello.
Me and my friend have a big argument about DFU mode.
* He calims that it is possible to enter DFU mode without a computer at all.
* I claim that entering DFU mode without a computer or any other external hardware is impossible at all.
* I also claim that it is possible with a software only, without phisicaly touching the iDevice using iTunes or any other software.
I also explained him that DFU is "Device Firmware Upgrade" and it must get connected with a PC or MAC to get into this mode.
Can someone professionaly explain us the correct answer so that we can finaly solve this issue?
Thanks in advance,
Asaf Moraz.
Exactly! while i connect it to the computer it just power on the device.
When i press the power again without forcing it through hard reset and without connecting it to the computer it just power up.
That's why i am allmost sure there is no way to enter this mode (DFU) without beeing connected to the computer and tha's what i tried to prove.
Thanks a lot for your time by the way...
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I decided to try your open firmware instructions. I like the
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BSOD every time I enter Unity Mode
SUMMARY OF PROBLEM
My Windows Vista guest VM has started blue-screening every time I enter Unity Mode. (The host system continues running normally.)
I'm running Vista Business (32-bit) inside WMware Player v7.1.0 build-2496824 with 2 GB of RAM.
The host system is Windows 7 Professional (64-bit 6.1.7601) SP1 with 12 GB of RAM.
The guest system has just a handful of small applications installed.
The blue screens occur even with no applications running on the guest.
NOTES
(1) I've been using the VM frequently for several weeks now without any major issues, and I've tried Unity Mode a few times before with success.
However I've mostly just been running my VM in a normal window (whatever you call 'non unity mode'!)
(2) I vaguely recall that one of the times I entered Unity Mode, many weeks ago, my host system made a bit of a drama... I think the Desktop Window Manager crashed and possibly Aero stopped working on the host OS. At the time, I guessed it was an issue with the host's graphics driver. (I've subsequently updated the host's graphics driver, and the problem has not reoccurred, which of course may or may not be pure coincidence.) But Unity Mode definitely worked, and has worked for a good length of time between my last host driver update and today, when the first BSOD occurred.
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I've always felt the dodgy mouse pointer was a mild cause for concern! Nothing like this occurs until I start running my VM.
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The Vista guest definitely seemed to be on the brink of refusing to work - today it kept changing my desktop wallpaper to a plain black background and saying this was my last day to activate. This behaviour stopped as soon as I successfully activated it.
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(5) I have looked through recent Windows updates on both the host and the guest.
On the guest, there's nothing there other than Definitions Updates for Microsoft Security Essentials in the last month.
On the host, it's been six days since an OS update (since then, just MSE definition updates).
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The blue screen itself:
A problem has been detected and Windows has been shut down to prevent damage to your computer.
PFN_SHARE_COUNT
Technical information:
*** STOP: 0x0000001B (0x00000000, 0x00000000, 0x00000000, 0x00000000)
Log files:
WERAC16.tmp.version.txt
Windows NT Version 6.0 Build: 6002 Service Pack 2
Product (0x6): Windows Vista (TM) Business
Edition: Business
BuildString: 6002.19327.x86fre.vistasp2_gdr.150225-1506
Flavor: Multiprocessor Free
Architecture: X86
LCID: 1033
Mini041115-01.dmp
I've run dumpchk on the minidump file. It says:
Probably caused by : vm3dmp.sys ( vm3dmp+17c6f )
I have attached a photo showing the intermittent mouse pointer corruption issue.
I've also attached a screen shot of the BSOD.
Please let me know if there's any other info I should include. Thanks in advance for any suggestions!Update:
My Vista VM still blue-screens 100% of the time when I try to enter Unity Mode.
I've tried:
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* Ensuring I have all the latest Windows updates.
* Allocating more RAM to the VM.
* Disabling graphics acceleration.
* Reducing the number of CPU cores allocated from 2 to 1.
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Hi All,
I am getting the FRM-41361 error in the bottom message area when opening a form from the function navigator. The issue does not exist when opening the form from the application homepage. The form is loaded in enter-query mode, and the enter_query command is in the WHEN-NEW-FORM-INSTANCE trigger. I have checked all triggers that fire after this point for any type of navigation but do not see any. The interesting thing is, if I put a fnd_message.set_string and fnd_message.show just before the enter_query call to debug, the issue goes away entirely.
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After speaking with Apple support and trying several things to get it to boot, the support rep stated that it will need to go into the shop for repairs. I had taken it to an authorized service center and they diagnosed the problem as a bad logic board. They had replaced this and had ran their diagnostic tools on it to make sure it was running normally. They kept it overnight and ran Apple Service diagnostics in a repeating loop on the system. They had also cold booted the system 30+ times per the work order.
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The first thing I did after reboot is to check the energy saver options. Both hard drive and monitor energy options were set to "Never". I then checked for software updates. There was both an SMC firmware update and a Boot Camp EFI(?) firmware update. I had done the SMC firmware update first and then after successfully updating this, I had done the Boot Camp firmware update. After reboot, the system went into sleep mode on its own approximately 5 minutes after reboot. This time I had made sure NOT to run my game as I had a suspicion that this could be causing the problem. It entered sleep mode anyway unexpectedly. After waking it up again by hitting the enter key, the desktop appeared again for about 2 seconds before going right back into sleep mode. I called the service center again and they said I would have to bring it in for them to look at. Needless to say, I am NOT very pleased.
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I am glad that your system appears to have the same problem as mine did. I would suggest that if you take it back to them again for a fan fix to have them run the system for about an hour after replacing it. They should be opening apps, checking the iStat widget, etc to try and make it break. If they can't after an hour or so, I think it should be ok.
This whole ordeal makes me question the quality of parts used by Apple. My brother has an iMac G4 where the hard drive died after 2 months of getting it new. Now this issue with mine and yours with the bad logic board and the power supply fan. Who knows how many other customers report hardware related problems?
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