Hardware :: Cannot Access Bios Or Grub2 Menu With Usb Keyboard?
Feb 19, 2010
When i boot my spare machine i am not able to access the bios or use the arrow keys in the Grub2 menu with a usb keyboard.However,once Debian boots i am able to use the usb keyboard and mouse normally.The strange thing is if i attach a Ps/2 keyboard i can access the bios and Grub2 without problems.With the Ps/2 keyboard attached i entered the bios and checked the settings regarding usb and the following options are enabled:
Usb contoller [enabled]
Usb 2.0 support [enabled
Usb Legacy support [auto]
[code]...
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Sep 15, 2014
I have Debian Jessie 8.0 amd-64 installed. It is a dual boot system with Widnows 8.1 alongside. Both the systems work fine with a few glitches coming at times on jessie. But I assume it should get stabilised with time.
Problem is:
The usb keyboard is no longer detected until the GRUB stage crosses.
* This implies I am unable to press F2 to enter into BIOS
* I am unable to chose Windows 8.1 by using arrow key on the keyboard.
When the default system (first in the grub list), in this case Debian is selected after time runs out then the keyboard comes back to life and works properly thereafter.
So far I have tried the possible solution given at [URL] .... but it did not work.
Some Information
================
$ lsb_release -a
No LSB modules are available.
Distributor ID:Debian
Description:Debian GNU/Linux testing (jessie)
Release:testing
Codename:jessie
$ uname -r
3.13-1-amd64
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Apr 30, 2011
So I installed Ubuntu 8.04 with Wubi a while ago on my Toshiba Satellite A500/02j and recently uninstalled it (with Wubi). For whatever reason, Windows will not get rid of its bootloader and I cannot access my BIOS settings. I've tried spamming every function key that I have when it boots up but nothing happens (if I press ESCAPE when I'm at the boot menu it restarts). Any idea on how to get rid of it and get me my bios back?
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Jun 28, 2010
I just upgraded from 9.04 to 9.10 (using Update Manager) in an attempt to get to 10.04. Installation and upgrade seemed to go OK until reboot. Now I only get a black screen - I don't see the grub menu, I don't even see any way to access the BIOS menu- not even a blinking cursor. I can hear it start and I can see the numlocks key go on. Ctrl-Alt-PrtScrn-B does not reboot (nor does Ctrl-Alt-Backspace- but I didn't expect that would) Surprisingly Ctrl-Alt-Del does (or at least it sounds like it does) reboot the system. I do have a NVIDIA cards and after reading around I suspect that this is likely the problem but I have no idea what to do now..
Here's what I've attempted:
I figured since I wanted to get to 10.04 anyway and this was so troublesome I could just go do a fresh install with a Live CD or USB to 10.04. However, even with a live CD or USB I still just get a blank screen.
Continually holding down F2 (and other function keys to try to access Bios)
Holding down Shift while booting
Esc while booting
Moving the monitor to the VGA port (as opposed to the NVIDIA card).
Other information...
Previously I had tried to upgrade to 9.10, but ran into problems with it not recognizing my RAID, so I just found it easier to go back to 9.04. (So although this is likely a graphics problem I guess the possibility is that now it doesn't even see my boot drive- although- if that was the case, I'd assume I wouldn't have the same problems from the CD or USB boot.) My ultimate goal is to get this to 10.04, if I could do it with an upgrade instead of a fresh install I'd prefer that, but at this point just getting back to a functioning computer would be ideal. I see many options in other posts for how to get back once you can access a command line- but since I can't even see that, I'm not sure what to do now.
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Apr 15, 2010
I have a Dell Studio XPS desktop 435MT, with Ubuntu 9.1 64 bit version. There is no ps/2 port in this computer. It worked perfectly fine until yesterday I switched it on and my keyboard lights switch on, but no key pressed works from the very beginning Dell BIOS screen! I have tried to use LiveCD but keyboard doesn't work even there, so it automatically selects english and loads from cd... once it installs the livecd version and loads it, the keyboard starts working again (good thing as I recovered my data). I have also tried inserting norton ghost or other dell setup cds but don't work because a key needs to be pressed and so goes on loading grub (which doesn't work). I will try to fresh install from the terminal screen of the livecd ubuntu.
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May 12, 2010
I am using a Dell dimension 4550 with pentium 4 processor. My current BOIS is A01. I am running Slackware 13. My current problem is that whenever I reboot, the keyboard fails just before the kernel selection page. This isn't a huge problem because I only have one kernel to boot but it is quite annoying. Whenever I shutdown the computer and boot it up again the keyboard works fine. The problem only occurs when I reboot.How do I fix this? Would updating the BIOS solve the problem?
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Oct 16, 2010
So, for some reason the right side ENTER, period, semi colon, SHIFT, and UP, Down, Left arrow keys have all stopped working on my laptop. I just set up a dual boot with windows xp, and ubuntu.
I checked under the keys, and cleaned them, and no problem. This wouldn't be that bad of a sutuation, I could just re-map the keys. However, when my computer starts, and I enter Bios > Bootloader, I get stuck.
I can use home/end to move up and down, but no way to select which OS I want. I have to plug in a USB keyboard to get into my OS. I don't want to be carrying around a keyboard, otherwise I wouldn't have a laptop.
So, I either need a different bootloader which can use some other keys, or I need a way to remap the enter key all the way back at the bios, so I can trick it and enter my OS,
Edit: Actually, I'll probably need a new keyboard. Ubuntu is pretty good with battery life, so I could boot into ubuntu, then hibernate. So, I need a good key mapper for Ubuntu
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Apr 4, 2009
I'm not sure if the forum hardware is the appropriate one... Excuse me if it isn't. I've a laptop fujitsu with a broken keyboard. I need to modify some BIOS parameters, but without ps2 port, I can't access in it. The a usb keyboard is not recognized.
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Jun 3, 2010
now using a micro innovations kb400i turbo-trak keyboard and I can't even access the bios before bootup (f2). It's a standard ps/2 plug and it's gotta a qwerty setup (small backspace with big enter key). So basically the fkeys don't work and the 6 key doesn't work (it does on number lock pad). There are some others that don't work as well. I can't use left ctl to copy and paste which I always use however right ctl works. I'm running absolute linux 13.1.0 fully updated and the keyboard layout was set to u.s.a. and basic by default. I've changed it now to be usa and dvorak but I still gotta reboot. So far I don't know if it's a faulty keyboard or maybe this ones just quirky to setup. According to various websites it's a qwerty keyboard and dvorak is the next closes thing.
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Mar 23, 2011
I installed(actually i hope i did) CentOS 5.5.However i can see my HDD in Hard drive menu in bios but HDD doesn't shows in boot menu.
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Jan 5, 2010
easy way to change the menu in grub2 , was used to editing the menu.lst but it`s gone i know theres a new file called grub.cfg that is done on the fly.
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May 6, 2010
I'm having an odd dual-boot problem. Briefly, I can't boot Windows XP from its entry on the GRUB2 menu. If I set the disk order in BIOS so that the machine boots off the drive with Windows XP, XP starts normally. However, if I boot off the Ubuntu drive, which brings up the GRUB2 menu, choosing the "Windows 7 loader" option (why it says Windows 7 when there's only Windows XP is another question!) just makes my system reboot.
It appears there's some problem with the way GRUB2 attempts to start Windows XP. I'm also wondering why GRUB2 thinks it sees the Windows 7 loader. There shouldn't be any Windows 7 anything anywhere. I once had a Windows 7 RC install on the same disk as Windows XP, but I wiped the Windows 7 system partition and reallocated its space as just another NTFS partition. FWIW, GRUB2 is installed on the MBR of the disk containing my Ubuntu install. Windows XP has a different drive all to itself.
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Aug 1, 2010
I've accidentally installed grub 2 on a BackTrack4 usb install and I need some instructions to "convert" the old menu.lst so grub2 will automatically boot BT4. Here's the file contents:
Code:
# By default, boot the first entry.
default 4
# Boot automatically after 30 secs.
timeout 30
[Code]....
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Aug 17, 2010
Can i change the "gnu grub version 1.98-1ubuntu5" shown at the top of the bootloader to something else?
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Aug 4, 2011
After a long night I managed to place my grub2 files on a separate partition on my hard disk. I am now able to edit my grub.cfg file directly (no more pesky update-grub commands) and I can create my own custom named menu entries in grub.cfg, the only problem I have encountered is in theming. I originally used burg to theme my menu, but found it to be a little unstable and erratic, so I have decided to use native theming options like font, color, and splash image.
But unfortunately, all the instructions for using these features invoke editing the 05 Debian script to make changes. As I no longer use this feature, I need to understand how editing the Debian script affects the grub.cfg file so I can manually create my menu. If you have themed your grub2 menu, please post the contents of your grub.cfg so I can get a feel for the what commands exist.
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Mar 20, 2010
Ubuntu 9.10 64bit
Grub2 doesn't have menu.lst. If I want to remove on the booting screen, e.g. Code: Ubuntu, linux 2.6.27-2-generic Ubuntu, linux 2.6.27-2-generic (single-user mode) How to do it?
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Feb 28, 2010
I was given an old Compaq Presario computer; it had a 3.2GB hard drive with windoze 98 (put your crucifixes down, please) and a somewhat broken CD drive. I replaced the CD with a spare DVD ROM and the hard drive was replaced with a spare 250GB. I also removed the old ISA Fax/modem and installed a PCI network card. On top of this I also burned a copy of Xubuntu 8.04 on my main PC, for loading onto the old timer.
But then I came to use the old machine, the BIOS recognised the new DVD ROM, but no menu appeared, just the word "COMPAQ", any attempt to access the BIOS met with no response, (would not respond to "Del" or "Esc" or any of the "F" keys) the PC then attempts to boot from the hard drive (it had an old version of, what I think may be Ubuntu, as it comes up with a GRUB error 1!
I did notice the DVD ROM drive's light flash during the boot sequence. how to access the BIOS?It would be a shame for me to throw this old PC out! (I could always salvage the parts, I have 2 other motherboards and cases ready to make up some more computers, making 5 computers in my network)
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Apr 2, 2010
i have managed to install ubuntu onto the USB and everything is working fine but the problem i am having is that i can't seem to access the bios on the netbook so i can't boot from the USB.i managed to get acess to the root files using this guide:url...all i need to do is figure out how to get access to the Bios so i can change the settings so it boots from USB.
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May 25, 2010
accessing the BIOS on a Powerbook G3 Lombard (1999).
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Jul 14, 2010
I've been following this guide [URL].... on creating a custom boot menu for Grub2 and I've run up against a wall. I made it all the way to the section on testing the custom menu but when I do, the new menu refuses to load. When I get to the boot screen I see the standard menu plus an extra entry at the bottom that will show what my custom menu will look like. When I select it though, it won't load. The screen blinks and remains on the main menu. I don't have the correct 'set' and 'search' lines in the 40_custom entry and I don't know how to correct them.
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Sep 2, 2010
Firstly I am completely new to linux so I don't know much about it, yesterday I installed win xp on my pc which already has ubuntu 9.10 karmic koala installed on a separate partition,after xp was installed and when it rebooted, a dos screen showed up with sh:grub> command ,how do i get to the grub menu where i can boot into xp or ubuntu?
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Oct 5, 2010
As a long time Red Hat/Fedora user, I'm quite new to the Ubuntu/Debian culture, and/or, to the Grub2 specific behavior.I'd like to see Grub2 system selection menu at every boot time even if I only have a single operating system, Ubuntu 9.10, on my hard drive. What should I do fot this purpose?
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Nov 16, 2010
I'm experiencing an unusual problem. I have my grub2 configuration set to show no menu. However, sometimes it still shows and waits for input for no apparent reason. On a regular PC this wouldn't be much of a problem but on this particular machine I must make sure grub2 always loads Ubuntu without hanging.
I'm using Ubuntu 10.10 and the Grub2 installed package is 1.98+20100804-5ubuntu3.
My grub configuration is as follows (and I have ran update-grub after changing it):
Code:
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Nov 24, 2010
After upgrading to 10.10 the grub boot menu stopped showing up. I made a custom menu in grub.d and update grub finds everything, but when I restart my system the boot menu never shows. I should have two kernels. How do I get the boot menu to show every time I restart my system?
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Feb 10, 2011
How do I force grub2 to display the menu on a single boot installation of Ubuntu 10.04?
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Feb 24, 2011
I could not seem to find any documentation on how to chage the X anf y coordinated of the grub 2 menu in order to place it in a differrent location on the screen and change is its size (not resolution), remove border.
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Jan 10, 2010
I have been reading this but could not resolve my issue: [URL]. The problem is as follows. I got a samsung laptop and there is some kind of recovery utility installed. After installing Ubuntu I get too windows grub entries, one is called Windows Vista (loader) on /dev/sda1 and the other one is Windows 7 (loader) on /dev/sda2. The latter is correct and the first one is something that I'd rather not have active at all in the grub menu. Both of them are of course created by 30_os-prober in /etc/grub.d. I figured that I would most likely prefer a custom entry for Windows 7 and remove the x flag from 30_os-prober. I tried to create a file 50_windows7 in a described manner:
#! /bin/sh -e
echo "Adding Windows 43_custom" >&2
menuentry "Windows Vista 43_custom" {
insmod ntfs
set root=(hd0,2)
search --no-floppy --fs-uuid --set 7cecddfbecddb01e
chainloader +1 }
Unfortunately during update-grub I get following:
Found linux image: /boot/vmlinuz-2.6.31-17-generic
Found initrd image: /boot/initrd.img-2.6.31-17-generic
Found linux image: /boot/vmlinuz-2.6.31-14-generic
Found initrd image: /boot/initrd.img-2.6.31-14-generic
Found Windows Vista (loader) on /dev/sda1
Found Windows 7 (loader) on /dev/sda2
Adding Windows 43_custom
/etc/grub.d/50_windows7: 4: menuentry: not found
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Mar 5, 2011
I just installed Debian squeeze. I installed grub to the MBR. It uses Grub 2. Apparently I'm not supposed to edit /boot/grub/grub.cnf, but /etc/default/grub and /etc/grub.d. I looked at these and read The Readme as well as a tutorial at [URL]. I'm still not sure of what to do. When I boot up I get 4 choices: 2 for Squeeze and two for another linux distro. I would like to edit the print out I get when I boot up, as well as add the partition for XP which wasn't included.
This is /etc/default/grub:
# If you change this file, run 'update-grub' afterwards to update
# /boot/grub/grub.cfg.
GRUB_DEFAULT=2
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet"
GRUB_CMDLINE_LINUX="" .....
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Mar 25, 2010
I have an old computer, it came with Windows 98, later I updated it with Windows XP. XP ran slowly because of it's outdated hardware. Around this time I already had a new computer. I decided to install Ubuntu on it to muck around with. However, Ubuntu also runs slowly and I have a dual-booting computer. However, when I try to get into the BIOS of the computer and run the 98 disk, I can hit every button and BIOS will not load. Question: How do I reinstall Windows if I can't access the BIOS?
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Mar 23, 2010
Daily updated Debian Testing Because Debian is the only operating system on this laptop and I keep at least two working kernels, I would like to hide Grub2's menu unless I press a key (like one could do with Grub). I can hide the menu if the line GRUB_TIMEOUT=0 is in /etc/default/grub but it doesn't appear after pressing SHIFT, which is a threat if the system cannot boot the selected kernel. Right now, the timeout is set to one second. I've read Grub2's documentation and [URL] and tried various combinations, but I haven't been able to make this work.
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