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Bertie

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  1. Black screen at boot - no grub

    Just to tie up a loose end in this thread. I found out what had happened to my missing sda4 (see for example posts 4, 6 and 8). In an MBR partitioned disk, the first logical partition always starts at sdx5. (In a GPT partitioned disk, this does not apply.)
  2. Black screen at boot - no grub

    GRUB_BACKGROUND is not the problem. (I commented and uncommented it as well.)
  3. Black screen at boot - no grub

    You are correct, I have edited my post#15 to reflect that. I have not changed anything in the file except for commenting and uncommenting. I am presently working on two computers with different Linux distributions (thus different grub files) and took the line from the wrong grub (where I am currently logged into the Bodhi forum) as it was more convenient, without noticing the '_INPUT appendix. Thanks for alerting me.
  4. Black screen at boot - no grub

    I only said that 1Mb was recommended, not required (I read it in the arch wiki link from post#13). Also note that I now have a severe case of information overload, which will slowly decay during the next few days. I tend to think that the problem is graphics related, and that grub tries to find what resolutions are available to use, and either the monitor or display driver fails to respond, resulting in a long time-out. Unfortunately I could not find a way to see which steps are performed by grub pre-menu. By removing 'quiet' from GRUB_CMDLINE_LINUX_DEFAULT it is possible to see the post-menu steps but that is too late and not applicable. Thanks especially for your input, I have learned a lot from it.
  5. Black screen at boot - no grub

    Problem solved. Enabling console (disabling graphics) mode in /etc/default/grub did it: GRUB_TERMINAL=console (Can just be uncommented in the file.) I tried various things in this file but the actual culprit was the one above. Thanks to all who gave advice to help get me from total disaster up to here.
  6. Black screen at boot - no grub

    Progress? so far: Checked HD is connected to Sata0, disabled USB boot, boot from HD first. Still the same - 2mins to grub menu. Installed legacy version of Bodhi. Still the same - 2mins to grub menu. Reinstalled core.img Still the same - 2mins to grub menu. Lots of reading (information overload) regarding MBR, grub, chain loading ... Found in the arch wiki, https://wiki.archlinux.org/index.php?title=GRUB&redirect=no regarding slow start of grub that low disk space may be the reason. However, / and /boot (sda3) after a new install only uses 9% of the available space (32Gb). Something that might be too small is the post MBR space where core.img is placed. I have only about 32kb available when 1 Mb is recommended. However, I do not think that it is possible to increase this space with XP squatting there Can core.img be slimmed down? Can grub give verbose output on each action that it does? I do not mind if the grub menu is reduced and comes up only in console mode. More reading to do - this will be my next attack. (DOOMguy: this is not a laptop but a desktop. The heatsink on the cpu is about the size of a beer mug. I wonder if it is overclocked, or maybe even underclocked until booting is transferred to the selected OS? More reading to do.)
  7. Black screen at boot - no grub

    Hello, Post #7: I have now reinstalled with /on a primary, /home and /swap on logical partitions. My disk layout is now better (no missing sdas): Model: ATA WDC WD1600JS-60M (scsi) Disk /dev/sda: 160GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 32.3kB 42.2GB 42.2GB primary ntfs boot 2 42.2GB 63.3GB 21.1GB primary ntfs 3 63.3GB 95.3GB 32.0GB primary ext4 4 95.3GB 160GB 64.8GB extended 5 95.3GB 155GB 60.0GB logical ext4 6 155GB 160GB 4779MB logical linux-swap(v1) Unfortunately, still take over two minutes to reach grub during boot. @ DOOMguy: Everything is working, I can boot into XP, just takes long. (My wife knows nothing yet.) I shall look into the other tips you mention - thanks. @ gohlip: Cannot wipe and reinstall XP, it was preinstalled with a nice hologrammic sticker with serial number etc. - no CDs. @ <-sef>L: Trying the legacy version is my next step - thanks. Grub2 does show itself but only afer a very long time. 2GB ram.
  8. Black screen at boot - no grub

    Here is one sample of my disk layout: bodhi@bodhi:~$ sudo parted -l Model: ATA WDC WD1600JS-60M (scsi) Disk /dev/sda: 160GB Sector size (logical/physical): 512B/512B Partition Table: msdos Disk Flags: Number Start End Size Type File system Flags 1 32.3kB 42.2GB 42.2GB primary ntfs boot 2 42.2GB 63.3GB 21.1GB primary ntfs 3 63.3GB 160GB 96.8GB extended 5 63.3GB 95.3GB 32.0GB logical ext4 6 95.3GB 151GB 56.0GB logical ext4 7 151GB 160GB 8779MB logical linux-swap(v1) Warning: The driver descriptor says the physical block size is 2048 bytes, but Linux says it is 512 bytes. It shows sda3 as the extended partition. No mention of sda4. Same with all the other disk inspection commands - no sda4. When I installed, I started off with only sda1, sda2, and unallocated space (I hope/think?). The installer decided to start at sda5. Check of sda5: bodhi@bodhi:~$ sudo fsck -r /dev/sda5 fsck from util-linux 2.27.1 e2fsck 1.42.13 (17-May-2015) /dev/sda5: clean, 163646/1954064 files, 784263/7812255 blocks /dev/sda5: status 0, rss 2720, real 0.091998, user 0.036000, sys 0.004000 Check of sda6: bodhi@bodhi:~$ sudo fsck -r /dev/sda6 fsck from util-linux 2.27.1 e2fsck 1.42.13 (17-May-2015) /dev/sda6: clean, 570/3424256 files, 267475/13671680 blocks /dev/sda6: status 0, rss 2864, real 0.130604, user 0.048000, sys 0.004000 I have uncommented the beep in /etc/default/grub file (then sudo update-grub). It takes about a minute after the bios messages before the beep is issued. Then about another minute before the grub menu appears. During the first minute the screen sometimes varies between piano black and matt black with some faint audible buzzing. Maybe the problem is for grub to determine the monitor resolutions? Maybe it is disk related? Now that I know I have not damaged the XP partitions, I am tempted to reinstall by removing all partitions except sda1 and sda2 and see what options I have. (Put / on a primary partition and the rest on extended, for example?)
  9. Black screen at boot - no grub

    Thanks gohlip, this helped, or did it? After following the directions (gohlip's post (the Bodhi root is at sda5)), same thing - rebooted to a black screen with no grub. So I switched on my own computer and came to this forum to report just that. Then I noticed that my wife's computer (the one with the problem) has since booted right up to the Bodhi login. So I logged in (no problem), tried terminology (no problem), and then power down (no problem). So I booted it again and this time waited patiently. The black screen lasted for about three minutes before grub started. Maybe it was also working previously if I have had the patience to wait that long? I rebooted, waited for grub, and could also log into Windows XP via grub. So now it seems that everything is working (no data or OS loss) but that it just takes very long for grub to start. If I go to tty1, there is a message before the login prompt: [2.904555] nouveau 0000:01:00.0: disp: conn 01:0130: func 08 lookup failed -2 I do not know if this might be a clue for I think it also shows when I boot the live usb, which seems to take a normal duration.
  10. Hello, I have just installed Bodhi-4.1.0-32 (pae) via a live usb. After reboot and the initial bios messages, the screen stays black. This is where I would have expected grub to display. The computer is a quite old 32-bit HP Intel with NVidia graphics (also old) and with Windows XP installed. (It belongs to my wife and she is going to kill me tonight.) The disk layout is such: sda1: 40 Gb, NTFS, Windows XP (drive C:) sda2: 20 Gb, NTFS, Work area1 (drive D:) sda5: 32 Gb, Ext4, Bodhi / sda6: 56 Gb, Ext4, /home sda7: 8 Gb, swap I used the "Something else" installation option and lastly chose sda when asked where to put grub. Everything seemed to install correctly from thereon except in the end there was a message which was immediately replaced by a black screen (it is mentioned in the instructions). My only access now is via the Bodhi Live usb, when after booted, I can see that all the partitions with their respective files are still there. I am not sure now if the mbr or grub is corrupted, if I should reinstall or chroot and try to fix.
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