![]() ![]() Hence the double boot attempt that was required ever since the major upgrade, including a kernel upgrade I am guessing, a bout four weeks or so ago. 452 and that didn't work so it then regresses and tries. 452 kernel, which doesn't work and I end up with a black screen and a dead end.Ģ) I switch the machine off and then back on and GRUB2 must know it has already tried. So what has been happening to my machine is:ġ) I switch it on and it tries to boot using the. That page explains that, among other things, Advanced options for Ubuntu has access to at least one older version of the Linux kernel, in case a kernel update has a problem with the system, you can then try the older one. 451 at the next boot but was a little wary of that in case it caused a major problem of some kind. 452 and that just caused the black screen dead end as described in my original post. I could see that each was a succeeding version of some part of the OS but I did not understand what part. I noticed that I had no less than six options, basically three versions of something and each of them also had a Safe Mode version as well. I kept searching on the internet for an explanation and also kept playing around with the GRUB2 interface, specifically the Advanced options for Ubuntu option in the initial GRUB2 menu. ![]() Running the 32-bit version, it actually runs faster than when it was a brand new iMac in January 2008, albeit with the 1GB of memory upgraded last year to 4GB.Īfter posting my initial post, I did not then sit back and hope someone else would solve the problem for me. ![]() ** In case anyone wonders, I have found that running the 64-bit version of Ubuntu uses up a lot of system resources and the machine struggles quite a lot. After 35 years of owning computers and 23 years of internet access, if I have learned one thing, it is that I will not be the only person who has encountered this problem. There was a large update recently and immediately, the next time I switched on the machine, the problem as described above, commenced.Īny suggestions or advice gratefully received. I'm just wondering why the first switch-on and boot attempt gives me neither the Grub2 menu screen or even the normal user login screen? from January 2015 until May 2019, switching the machine on has taken me straight to the user login screen. This is not a problem in itself and selecting *Ubuntu allows Ubuntu to boot up properly and take me to the user login screen. Second boot attempt: seems normal(ish) but goes to the Grub2 menu screen where I have to manually select *Ubuntu. The only option is to press the power button and switch the machine back off. Nothing happens and pressing keys does not get any response. Processor Intel® Core™2 Duo CPU T7300 2.00GHz × 2įirst boot attempt: seems normal until I get a blank maroon screen for maybe five seconds then I get a black screen. I have had Ubuntu running on this machine since January 2015 and never experienced this problem until now. It was an iconic machine of its day.After a recent set of Ubuntu updates, approximately on or around May 23rd 2019, my iMac Intel Core 2 Duo now does not work on the first boot attempt. It was packed with features that made it suitable for literally every type of user, ranging from formal, to informal. USB 2.0 ports, FireWire ports, Bluetooth 2.0+EDR were included in the connectivity options of the device. It also came in a package with the Apple Mighty Mouse, a six-button Apple Remote as well as Apple “Front Row” a predecessor to iTunes which provided a simple interface to play music, photo slideshows, DVDs, and iMovies all these features were also controlled using the six button remote. This was also the first time that the secondary display on the iMac was not just mirroring the primary display but also an extension of the primary screen from its mini-DVI port. The iMac released in 2006 had a 2.16 GHz Intel “Core 2 Duo” Processor (T7400). The introduction of Intel Core 2 Duo Processors replacing the PowerPC processors was attempted in this brand first and it was the first time an Apple computer had worked with an Intel Processor. About this iMac 2006 Saw another important switch in the iMac family. ![]()
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