Grub comes as part of a typical Linux installation. How you install it depends on the Linux distribution. Under Arch Linux, it's achieved with a series of commands during the installation procedure. I don't think the EFI boot menu is standardized; my understanding is that the user interface tends to be customized by the board developer. However, there's also a UEFI shell that you can install. I haven't tried it, but it's a command line interface to UEFI. On 2/24/19, 12:15, "David Mehler" <dave.mehler@gmail.com> wrote: Hello, Thanks. How did you get grub installed and how to get it to beep? Is the EFI boot menu standardized in any way? Thanks. Dave. On 2/24/19, Jason White <jason@jasonjgw.net> wrote: > When the machine is booting, there should be a key combination you can press > to reach the EFI boot menu. Then, you need to select the USB drive as the > boot device. At that point, you can boot into whatever operating system is > on that drive. If it's Linux, you'll have the usual commands available, > including those which I mentioned in the previous post. > > On my laptop, F12 invokes the boot menu. I then press the down-arrow key an > appropriate number of times to reach the USB device and press enter. The > exact key sequence depends on your machine and how the boot order is > defined. For example, on your machine, the key to initiate the boot menu > probably isn't F12. > > I now have Grub installed on my laptop so that it beeps fairly early in the > boot process, and I can use arrow keys to select either Linux or Windows, > both of which are installed on the SSD. Thanks are owed to participants in > the BRLTTY mailing list for helping with the Grub configuration. > > On 2/23/19, 20:12, "David Mehler" <dave.mehler@gmail.com> wrote: > > Hello, > > Adding to my last message, an arch linux thumb drive also won't boot > either. > > Where do I find the linux efivar and the efibootmgr commands? > > Thanks. > Dave. > > > On 2/23/19, David Mehler <dave.mehler@gmail.com> wrote: > > Hello, > > > > I had some unexpected sighted help last night and got secure boot > off. > > For this machine the m5a97 motherboard the setting was in the uefi, > > advanced setup, boot tab, secure boot area. By default secure boot is > > on and can not be disabled. So, cleared secure boot keys, saved, and > > then secure boot was disabled. I then rebooted and rechecked uefi and > > confirmed secure boot is indeed still disabled. Hope that is of use > to > > someone. > > > > My problem still is now putting in a thumb drive, either a win10 > > created 1803 thumb drive, or a talking win PE in neither case will > > they boot. Any ideas on that? > > > > Thanks. > > Dave. > > > > > > On 2/23/19, Jason White <jason@jasonjgw.net> wrote: > >> The Linux efivar command will let you set the UEFI variables at a > fairly > >> low > >> level. You can also use the efibootmgr command to change the boot > order, > >> and > >> probably to add boot loaders too. > >> > >> I needed to turn off Secure Boot recently to enable an Arch Linux > >> installation on a laptop. The easiest solution was to call an Aira > agent > >> for > >> assistance. I read somewhere that the Secure Boot setting can't be > >> changed > >> once the operating system is loaded; you have to do it from the > firmware > >> menu during the boot process. I can't verify this claim though. At > least > >> on > >> my laptop (a Lenovo P51), you can also change the EFI variables > within > >> Windows using scripts available from the manufacturer's web site. > >> > >> > >> On 2/22/19, 13:39, "John G Heim" <jheim@math.wisc.edu> wrote: > >> > >> I am not sure I am totally up on the latest technology. But my > guess > >> is > >> > >> that you will probably have to get sighted assistance. About a > year > >> ago, > >> > >> I poked around looking for linux tools that allowed you to > access > >> EUFI > >> settings. I found nothing of significance. > >> > >> There is some chance you could manage it with the KNFBReader > iPhone > >> app. > >> > >> The KNFBReader app can read a computer screen. It does not do > well > >> with > >> > >> console text. It does much better with black text on a white > >> background. > >> > >> I actually succeeded in changing a BIOS setting once but I used a > PC > >> Weasel card. So that is a card that looks like a VGA card to the > >> system > >> > >> but it actually gives you text output on a serial port. You can > use a > >> null-modem cable and a terminal emulator on a second machine to > get > >> to > >> the console display. So what I did was to google for how to > change > >> the > >> > >> setting and found a video where the person walked you through > >> changing > >> the setting. I could kind of follow along with which keys he > was > >> hitting and did the same thing. It worked. But there was > probably > >> devine > >> > >> intervention. Every once in a while I look on Craig's List for > one of > >> those PC Weasel cards. They stopped making them years ago. It > saved > >> my > >> > >> bacon many a time though. > >> > >> It can be frustrating to get sighted assistance from someone who > is > >> not > >> > >> tech savvy to do something like change a EUFI setting. Another > thing > >> I've done in the past is to pack the machine up, drag it to a > used > >> computer store, and offer them $5 to helpme. Actually, the last > time > >> I > >> did something like that, I didn't set a price ahead of time and > they > >> dinged me for $20. Lots of times they'll do stuff like that for > free > >> though. > >> > >> On 2/21/19 10:59 PM, David Mehler wrote:> Hello, > >> > > >> > I've had to do a new win10 install and somehow I must have > cleared > >> my > >> > bios settings, had also to replace a power supply. The first > clue > >> came > >> > after the machine was booted up again and wouldn't boot off of > any > >> USB > >> > drive, so I checked system information, UEFI was back on as > was > >> secure > >> > boot. I do not remember how I turned this off as I just did > it > >> once > >> > and forgot about it. I do not like UEFI nor secure boot, > although > >> I > >> > understand the purpose i'd rather be able to set my machine > to > >> boot > >> > off an inserted USB thumb drive. > >> > > >> > The motherboard is an Asus m5a97 and the bios is an american > >> megatrends. > >> > > >> > Suggestions welcome. > >> > > >> > Thanks. > >> > Dave. > >> > _______________________________________________ > >> > Blind-sysadmins mailing list -- > >> blind-sysadmins@lists.hodgsonfamily.org > >> > To unsubscribe send an email to > >> blind-sysadmins-leave@lists.hodgsonfamily.org > >> > > >> _______________________________________________ > >> Blind-sysadmins mailing list -- > >> blind-sysadmins@lists.hodgsonfamily.org > >> To unsubscribe send an email to > >> blind-sysadmins-leave@lists.hodgsonfamily.org > >> > >> > >> > >> > > > > > >