How To Set Acpi=off In Grub


0-Server-aarch64-boot. Optionally, do find /boot/grub/stage1 to find which partitions have the required Grub files in /boot/grub. Alternatively, it can be set "pci=noacpi" to recognize the true resolution of 1024x600, but cannot set brightness and always in dark. 在grub中只有ls、set、insmod. Please take a look at Setting up a Multi-Boot Linux USB Stick before reading this. com but i booted it up using the comands acpi=off. Nothing changed, I could not even find grub. to the end of kernel command line. cfg I added acpi=off (you can also do this manually once grub boots). root (hd0,0). Since w1 is set to 0 just before this check, this makes me think 0 is failure and 1 is success. Installing Multiple OS's Without A Floppy/CD/DVD/Etc. Loading Unsubscribe from EXTREMANIApl? How to repair grub bootloader in Kali Linux 2. 04 is just not working. 04 - Feisty Fawn; GUEST: Ubuntu Server 7. Save and close that file. This parameter also enables ACPI if it is set in addition to acpi=off. console=X This sets up serial console access for the CD. The default generated /etc/default/grub file is:. If this parameter is set to 0 (default) and the machine requires it, or this parameter is set to 1, a brightness value of 0 sets the backlight to maximum brightness, and the maximum of the brightness value switches the backlight off. 99 (GRUB version 1) Edit file /etc/grub/menu. By Nick Peers How To. lst file are actually GRUB shell commands Root can run the GRUB shell directly within linux # grub grub> help grub> help kernel grub> cat (hd0,0)/etc/fstab grub> quit # More usefully, you can interrupt the boot sequence and run the GRUB shell prior to booting linux Do now! List all available commands. I have an older machine (AMD 3000 2ghz, 1. The following steps will provide you more details, Boot your computer so that GRUB is displayed. The command line is accessed by typing "c" when the main GRUB 2 menu screen is displayed. On the first part of this series I talked about, when I started working for Fiercely, it became important to improve the performance of a vagrant powered environment, on OSX, and how we came across…. Each installed kernel has a group of lines called a stanza describing: the title of the operative system to load; where to find the boot partition (in grub named root!) what kernel (vmlinuz-*) to boot, with additional kernel options. The serial port on the back of the V20 and V40 machines requires a db9 female to RJ45 adaptor which is properly configured. If the same failure occurs with ACPI disabled, then that should be noted and the issue reported to the appropriate mailing list or [email protected] Last night I decided to set up a duel boot on my HP desktop PC. This is the Ubuntu documentation to change kernel parameters either for a single boot, or permanently. EDIT: installed proprietary drivers with ease but unlike Debian/Ubuntu this still doesn't fix the boot, I still have to put acpi=off in the boot parameter list. GRUB actually exists in two versions: as a boot loader and as a normal Linux program in /usr/sbin/grub. 2下的grldr解压放到C盘根目录下。 vim set num off vim. Hide or show boot menu while starting up. However, a search of VGA grub codes will show more options. You can change in the advanced boot loader options what order it sees the hard drives in (to match the order you want to set in BIOS). I turned off acpi in grub to stop my server from going to sleep. rootnoverify just means that it will set that partition as root and not attempt to mount it first, which is useful here because grub doesn't support HFS yet. gz I'm concerned why this doesn't seem to be more common :(. Grub location. lst or /etc/grub/grub. Summary changed from Virtual machines with ACPI enabled keep freezing temporarily on a MacBook to Virtual machines with ACPI enabled keep freezing temporarily on a MacBook => Fixed in SVN This problem (Accessing /proc/acpi takes ages on some Linux hosts) will be fixed with the next maintenance release. As soon as you're up, you go to a terminal and edit the file "/etc/default/grub" (sudo gedit /etc/default/grub). Kernel Boot-time Parameters As Defined By Kernel. If you can safely boot in a command line and get the output from dmesg, then it would be more than useful, otherwise, try to extract your dsdt tables and post them somewhere. set prefix=(hd1,msdos1)/boot/grub and several. It can handle MBR and GPT disks along with software RAID:. Ubuntu :: Unable To Boot With AHCI Enabled? Feb 28, 2011. I have an older machine (AMD 3000 2ghz, 1. Edit /etc/hostname file, vi /etc/hostname. 1cinnamon-64bit” which then loads the installation again unless I stop it. De gebruiker kan zo snel de standaard keuze wijzigen. Now, we need to install the boot loader for the newly installed Arch system. I'll will try to work out the recipe for you to try. However, this page also lists "Preventing Access to the GRUB Console" as one of the reasons to set a GRUB password. The GRUB v2 configuration is read on boot from /boot/grub/grub. from kernel 4. Thanks again for your time. By default, the installation will be started with American English and the boot media as the installation source. I used GParted on my Fedora installation (on my harddisk) to set up the partition of the pen drive. Asus is much better. Re: Inline data flag after resizing? can't repare grub That you fares for reporting back with the status of your attempts. It has been blamed to the BIOS. well i had to look for a few hours how to configure grub to point to another folder. I think the iso probably has some artools package(s) that deal with the install and set up things in the new OS on the first boot then remove themselves. This partition contains Windows installation, but can be replaced by some recovery Linux distribution. You may have to register before you can post: click the register link above to proceed. So far i have BT4,UBCD5 beta,and hirens 10 with plans for helix 3, system rescue cd, trinity, and anything else helpful basic:petousb, grubinst, grub4dos usb organized root:HBCD10 grldr menu. Alternatively, it can be set "pci=noacpi" to recognize the true resolution of 1024x600, but cannot set brightness and always in dark. I also added apm to /etc/modules. First: in the original thread you linked, the last posts at the bottom were not suggesting setting acpi=off. I have tried this. Make sure you manually mount the grub partition. The initial install process is the same as for installing Ubuntu 15. However, due to the specific hardware configuration of a Mac, there are a few deviations and special considerations which warrant a separate guide. To avoid editing the GRUB entry everytime (and having to use an external keyboard), I decided to duplicate the GRUB menu persistence entry and add acpi=off there. And now the screen is blank. 04 with the standard desktop live CD with extra boot options other than acpi=off, as that option was the 1 that caused the issues I described. On the parent of /exports, /exports itself, and the subfolders of /exports the permissions allow anyone to read and execute I'm thinking [02:45] DanDare: so I press F6 there, choose acpi=off and boot from first hard disk, right?. Debian bug tracking system. I use grub, so the step here was a little different. I am now trying to get Ubuntu installed on my USB drive so I can operate off of it (since the SSD drive is not working under Linux). Grub 2 displays, unlike Grub, are not controlled by a single file but rather by the settings in /etc/default/grub and a series of script files located in /etc/grub. But with this option power managment disabled and battery state not visible. Maxcpus=1 affects only the resume process. 10 as far as having to edit the grub boot loader to be able…. Hello all, Just a return of experience to help anyone wanting to install Ubuntu on an Optimus IX. grub-set-default. Booting a NetBSD kernel from GRUB is also relatively easy: first set GRUB’s root device, then load the kernel and the modules, and finally run boot. vdi mounten. With his dedication and support efforts, andylb has become a Valued Contributor. Ubuntu Linux installation and usage tips. Hallo erneut. 11b installed, also ZyAIR G-100 works out-of-box. You can now MBR64/32 & UEFI64/32 boot to the Knoppix 8. Prevents the CD from attempting to obtain an IP address automatically. You can do this on both Windows and Mac computers. Ubuntu on Swift 3 SF314-51-74FW - black screen after menu on Live USB Choose "legacy" mode in bios and add "acpi=off" to the grub command line, between "quiet. 6, 128 RAM, 8 MB video. gz when rebooting the system it shows the "the application can not be loaded ,because selected application is missing or corrupted message" is displayed. In my legacy Fujitsu M2010 Netbook, it display in 800x600 only. For details on how to actually install and configure the required modules have a look at our guides section for dis. If you set your Linux grub entries to reflect this example, the boot loader loads the hypervisor, initrd image, and Linux kernel. It all boots fine now, but obviously there's no ACPI. After install, set X windows up to not use the NVidia drivers and you can drop the nouveau. An Example Menu File. Apparently using LILO instead of Grub gets rid of the issue, but I'm also very curious as to if/when Clevo might issue a BIOS update that fixes the problem. The "local" version is called "LAPIC". To make the changes work th e magic word is sudo update-grub and reboot the computer. Since Mageia 4, if you use a EFI system, the default loader is Grub 2. Resizing does not work if the guest has snapshots – kill all snapshots 2. Just tried to run Linux Mint on old/legacy PC, Fujitsu M2010 Netbook with CPU of Intel Atom N280 and GMA 950 graphics processor. So right as i see the acer screen pop up after it’s just started from a restart, i had to press and hold “ SHIFT ” until after i saw the “Loading Grub 2. And now the screen is blank. sudo nano /etc/default/grub sudo update-grub. One Grub booting 30 operating systems If this is your first visit, be sure to check out the FAQ by clicking the link above. In this article, I will show you how to use Rufus to make a bootable USB drive from Windows and use it to install Ubuntu 18. 10 on my new Asus ROG GL552v. I then was able to boot Ubuntu. You can still set acpi=off (or to something else), but as we build our own initrd, you cannot use grub-update (removed). 04 and set acpi=off inside grub Everytime, I install "sudo apt-get install nvidia-current" and reboot. Re: Inline data flag after resizing? can't repare grub That you fares for reporting back with the status of your attempts. Features: Board is a hosting board Board is replaceable Location In Chassis: To be filled by O. All hard disks detected by the BIOS or other disk controllers are counted according to the boot sequence set in the BIOS itself. Booting a NetBSD kernel from GRUB is also relatively easy: first set GRUB’s root device, then load the kernel and the modules, and finally run boot. But you may be right, I need to take a closer look. from kernel 4. Disable ACPI support on kernel boot time on Slackware or other Linuxes still booting kernel with LILO Still, some Linux distros like Slackware,. How To: Install XenServer 7 on a Dedibox (Online. Prevents the CD from attempting to obtain an IP address automatically. Sets the default boot entry until changed. add the kernel parameter to the GRUB_CMDLINE_LINUX_DEFAULT="quiet splash" line, between the quotations. 0-Server-aarch64-boot. Down to the kernel line and at the end place the word noacpi. The way you installed it means it does not have primary control of the boot, that control stays with Windows Bootloader. However, a search of VGA grub codes will show more options. i do it this way so that the main grub2 boot screen is not 1000s of lines long as each puppy needs its own entries. 0-Server-aarch64-boot. lst (hd0,1) is grub talk for sda2. # RHEL 7 uses grub2 and /boot/grub2/grub. modeset parameter. Just saying "ACPI=OFF" helps too, but then the multimedia/special keys won't work. conf (refer to Example 2. 10 as far as having to edit the grub boot loader to be able…. While I like Puppy and the philosophy behind it, there appears to be an incompatibility with my computer. i am using grub. i do it this way so that the main grub2 boot screen is not 1000s of lines long as each puppy needs its own entries. Finally, exit from the chrrot, unmount the partitions and reboot your Arch Linux. Thanks again for your time. NOTE added 15 Jun 2012 -- revised 14 Oct 2012: I noticed that when I resume with the acpi=off or the maxcpus=1 switch set in grub. (should have a example or something. De gebruiker kan zo snel de standaard keuze wijzigen. If they're gone no Frank, thank you for your comment. Save the changes, exit the editor and you MUST run update-grub in order to make them permanent. No cursor, no HD activity light either on any hangups. I had clean installation ubuntu 16. Kernel Command Line Parameters (aka Boot Options) Kernel command line parameters are parameters that you pass on to the Fatdog64 during the boot process. if some plz tell me how can i do that. Add apm=off acpi=off to the end of the line that appears, and press enter. If you have to add the acpi = off to let ubuntu boot successfully, post results. # The sources files are /etc/default/grub and the scripts under /etc/grub. xx) on Fri 7 Mar 2008 at 15:28 the first time i heard about "mount by label" i got really exited, but fall back down to ground after realizing that it only works if you define the label in /etc/fstab too. Rather we have to modify the # source file and run the grub2-mkconfig command to generate it. Okay it looks like everything completed correctly with grub. all kernel and initrd paths are relative to /boot/, eg. Prevents the CD from attempting to obtain an IP address automatically. Under DOS/Windows, try different combinations of uppercase/lowercase for the paths leading up to the main files. Project Management Content Management System (CMS) Task Management Project Portfolio Management Time Tracking PDF. many os use grub 2 not just ubuntu this is only a guide you may need to change thing if using a separate brub2 /boot partition or another os with grub2 I wanted to create a custom grub loader with all the puppy boot options in it. How to set noapic and pnpbios=off parameters for boot Edit your GRUB configuration file e. Then, power on the computer and you will be in the Grub menu. TravelMate P449-G2-MG Can not install Linux. As the boot manager GRUB directly supports many file systems, the hard disk contents can be accessed during booting. (Again, doesn't work out of the box, but if you add the kernel parameters "acpi=off apm=on", then add apm to your /etc/modules file it works just fine, including apm suspend to RAM) PCMCIA working with Aironet 4800 wireless 802. To get the installer working It needed to be booted with nolapic to prevent freezing and nomodeset for the GUI to show. How to Install Linux Mint. At that point you are running on mains power. Install Boot-Repair application than can be used to repair Grub on Ubuntu Linux. # The new grub. I then was able to boot Ubuntu. Make sure you manually mount the grub partition. Edit: Hrm, it looks like it installs an older version of grub, but in theory I think you're supposed to use loader="bhyveload" to use the grub in the guest itself. grub> linux /vmlinuz root=/dev/sda1 acpi=off See the documentation in the Linux source tree for complete information on the available options. Alternatively, it can be set "pci=noacpi" to recognize the true resolution of 1024x600, but cannot set brightness and always in dark. Of course, only one CPU is seen this way, and strangely my network interface refuses to come up so this is not a long-term solution, but at least I am able to poke around. My plan is to put some electronics between the USB phone charger and the pi to cut (or supply) power. "acpi=off" APIC (Advanced Programmable Interrupt Controller) is a kind of feature found on newer systems. Now that you have checked that you have an EFI mode, we need to check the disk or the partitions to use for Ubuntu. SystemVerilog introduces new two-state data types, where each bit is 0 or 1 only. >> >> I had to set acpi=off to get the live cd to boot, then I had to remove >> the acpi=off and rebuild the EFI grub file so the trackpad would work, >> subsequent boots without the acpi=off seem to work fine. I am a COMPLETE noob at linux but. @thorny: Maybe its old age or some kind of dementia. Normally not set manually. During bootup, edit the boot line in the boot loader and add the acpi=off boot option to the kernel line, and then boot this entry. conf to the failsafe kernel (the one you. Append acpi=off to the kernel boot command line in /boot/grub/grub. You want to learn about the utilization possibilities and the structure of the boot manager Grub, the default boot manager from SuSE Linux 8. So now both laptop and desktop machines use maxcpus=1 instead of acpi=off in grub file for resume from hibernate, and both resume successfully. - Press F6 and select option of "acpi=off". This article is about compiling a kernel on SuSE systems. UEFI Booting Fedora 12 on an Intel DX48BT2 For some time Fedora releases have supported UEFI (more commonly known as EFI) booting on X86-64 platforms. What do you call the installation was complete the screen goes black again. On the next reboot, the kernel should be started with the boot parameter. 2 [badram], page 55 command to filter out specified regions of RAM. How To: Install XenServer 7 on a Dedibox (Online. "acpi=off" APIC (Advanced Programmable Interrupt Controller) is a kind of feature found on newer systems. ) The touchpad doesn’t work at all and isn’t listed when I run xinput. Or from a CD for that matter. (Read also "More explanations" → testdvd) (4) In case of a failing hardware autodetection, try booting with any of the "no-" options as shown in the table above, like in knoppix nodrm nomodeset no3d noaudio noapm noapic nolapic acpi=off pci=bios pnpbios=off nodma nopcmcia noscsi nousb to skip some critical parts of the autodetection system. It boots fine from Live CD (except the optical drive is failing and my replacement hasnt arrived in the mail yet ) but I cant get Grub to work. After I select the setup from the bootloader, it starts normaly till the point when it shows the hardware components. Het formaat is grub sudo-set-default X met X zijnde de positie van de menukeuze (beginnend met 0 als eerste) of de exacte menutekst. Append acpi=off to the kernel boot command line in /boot/grub/grub. The number of ticks that make up a full circle. This Toshiba has a ATI Radeon 200M. Some of these parameters are understood by the Linux kernel, some are understood by Fatdog64 system scripts. Roll your own suspend/hibernate scripts and be prepared to spend a lot of time. The following post contains 2 sections: Section=background describes what I'm trying to do; it can probably be skipped by anyone who is expert on Linux LiveUSBs, ISOs, GRUB2, etc (which I suspect the Clonezilla team is, but that section may be useful to others). Rockstor wont install [Solved] The acpi=off that you issued to the install kernel will not be issued to the installed systems kernel. The /media/something folder in which it gets mounted automatically gave me some trouble. Disabled ACPI while installing CentOS; now CentOS only uses 1 of 4 cores Hi all, So I'm pretty familiar with Ubuntu, but lately I've been trying to do some stuff for which Ubuntu really won't cut it. Installation ran okay but GRUB won't get past "Welcome to GRUB!". i am using grub. Before I put acpi=off in the grub the stalling also happened at shutdown and restarting. Boot the VM (boot from the CD-ROM, hit Esc to open a boot menu if needed). If the machine has no ACPI or bad ACPI support (many old machines didn't do it "right") then you're going to need acpi=off for modern kernels to boot correctly. modeset parameter. Loading Unsubscribe from EXTREMANIApl? How to repair grub bootloader in Kali Linux 2. cfg, whereas /boot/grub/grub. Add the kernel options acpi=off apm=off to the contents of GRUB_CMDLINE_LINUX_DEFAULT in file /etc/default/grub. With linux GRUB uses 32-bit protocol. However, a search of VGA grub codes will show more options. grub rescue> I tried adding acpi=off to the startup with no difference in the install. What do you call the installation was complete the screen goes black again. I had linux installed. "Workaround: BIOS needs to set configuration register (Device 31, Function 1 0, offset FCh, bit 23) to prevent the arbitration deadlock. I never had this issue with ubuntu, so I guess it's possible. Boot from hda (the extra disk) otherwise this will not work. All Software. how can I set the grub on the live cd to acpi=off and do a fresh install? I've done quite a bit of googling and can't seem to find any useful info on this one, any help? Cyrusm. Some notebook should be set noapic nolapic & acpi=off on grub. Check here for a list of possible modes. This is the Ubuntu documentation to change kernel parameters either for a single boot, or permanently. But you may be right, I need to take a closer look. I should have written slackware derivative. Firmware can boot from this partition in BIOS mode when key F11 at boot is pressed. > Then my computer shut off. Then, power on the computer and you will be in the Grub menu. I use grub, so the step here was a little different. In my legacy Fujitsu M2010 Netbook, it display in 800x600 only. I'm working through possible causes. PCI=NOACPI works fine. conf file so it lists all the different kernels u have etc. If you set your Linux grub entries to reflect this example, the boot loader loads the hypervisor, initrd image, and Linux kernel. When I force the resolution to [email protected], the screen turns black after 2-15 seconds. If you don't know the device name, check it in System -> Administration -> GParted. It found the Antergos kernel images and also the windows loader on sda1. Serial Number: To be filled by O. 31-14-generic ” Untuk mendapatkan pilihan yang ada nomor menuentry (mulai dari 0) atau menuentry “string”, jalankan “grep menuentry /boot/grub/grub. A common one is nomodeset, which is needed for some graphic cards that otherwise boot in to a black screen or corrupted splash, acpi_osi= to fix lcd backlight and other problems, and noapic and nolapic to work around various ACPI BIOS issues. Boot from hda (the extra disk) otherwise this will not work. Specify true or false. 11b installed, also ZyAIR G-100 works out-of-box. 5% at idle and around 58MB RAM, which is great. grub >set root=hd0,msdos8. 有时候启动电脑后,突然显示一个命令行页面,上面写着关于grub的一些东西,不能正常进入页面. Boot Fedora 15 Using UEFI and GRUB2 With the release of Fedora 15 (Lovelock), I decided to have another look at the state of UEFI booting Fedora using GRUB2. For example, in /boot/grub/menu. When the cluster is configured and running, verify that the node turns off immediately when fenced. For a disk with a NetBSD disk label, this is usually the first partition (a:). Press Esc to close the Grub boot parameters list. Some BIOS services like APM or EDD aren't available with this protocol. Step 22: Reboot your computer and set your system BIOS boot priority to boot from the USB stick This won't work as X31 does not support booting from usb flash drive, which is specifically "excluded" in the BIOS boot list, only cdrom and diskette connected to usb port are allowed. Login and enter sudo telinit 3` (to stop the x server). So where do I set the neccessary ACPI paramter acpi=off ?. Older systems may not support ACPI full, so sometimes it helps to give the kernel a hint to not use it. I actually had to type nomodeset and acpi=off at the end of the grub boot options Set local time without. Set GRUB's root device to the partition holding the NetBSD root file system. Then I added in grub boot options: acpi=off Now the issue is gone. Recently, X8 DP series do not support ACPI 4. This is a discussion on Ubuntu 12. conf configuration file. On the first part of this series I talked about, when I started working for Fiercely, it became important to improve the performance of a vagrant powered environment, on OSX, and how we came across…. Project Management Content Management System (CMS) Task Management Project Portfolio Management Time Tracking PDF. Let’s get started. Edit /etc/hostname file, vi /etc/hostname. Notes on booting RHELSA on the Gigabyte MP30-AR0 eth0 is the top left connector (the upper connector marked “c” in the motherboard manual). console=X This sets up serial console access for the CD. lv=rhel/swap crashkernel=auto rd. Once you get a Linux distro installed, just add acpi=off to the kernel parameters in the GRUB config. I currently have Linux Mint 18 KDE installed and running with the acpi=off set in grub. 04 - Feisty Fawn; GUEST: Ubuntu Server 7. As with Ubuntu 10. I am Richard W. Like the previous release (Ubuntu 13. Note also that the Grub Menu is suppressed by default on Wubi installs (even though there are two operating systems - because you boot Ubuntu from Windows, and therefore adding a Windows entry from Ubuntu's Grub Menu makes no sense) so you have to press and hold the Shift key after selecting Ubuntu in order to display the Grub Menu. Despite all the suggestions, nothing works. 9 from Ubuntu with acpi on, and it worked good for 10 minutes on GNOME, but then stopped and didn't work at all for the following tries. This bug affects 6 people. ACPI (Advanced Configuration and Power Interface) is a standard for handling power management. You need boot time parameters: This sets the initial command to be executed by the kernel. Edit the grub. To permanently remove it, simply remove the parameter from GRUB_CMDLINE_LINUX_DEFAULT and run sudo update-grub again. Installing Ubuntu 16. How to Install Linux Mint. Having made these changes you have a good chance to start your laptops using (L)Ubuntu 16. I'll will try to work out the recipe for you to try. a) In GRUB 0. To install ubuntu, you can select the option acpi=off when booting with the live cd. 04 - Feisty Fawn; GUEST: Ubuntu Server 7. 97 and also changed the kernel and root lines to reflect grub1 and found that in grub2 it gets all the way upto clonezilla with out a prompt, but in grub1 it still asks me for keymap and language. modeset parameter. Some time ago there was a thread about shutdown -p or poweroff not working under oS 12. A simple way to create a USB [multi]boot drive including the grub bootloader and the GRUB menuentries for Ubuntu ISO files is to use grub-n-iso_multiboot with the shell-script file mk-grub-n-iso. 2 hardware appliance without a factory reset button from the Operations Console. To make permenent then edit /boot/grub/grub. This item has the title SUSE Linux Enterprise Server 10, as is defined with the title option. A common one is nomodeset, which is needed for some graphic cards that otherwise boot in to a black screen or corrupted splash, acpi_osi= to fix lcd backlight and other problems, and noapic and nolapic to work around various ACPI BIOS issues. The PCs BIOS does not support or allow you to choose PXE netbooting. I have revised linux_menu. grub rescue>normal. It can handle MBR and GPT disks along with software RAID:. > > Now there are other shenanigans to be fixed on this HP ENVY x360 15-ds0005nc: > - non-functioning keyboard (works 100% under PIC mode) > - non-functioning trackpad (worked "sometimes" under PIC mode) Ok, to follow up: the kernel requires i8042. No ACPI power off with openSuSE 12. conf or /boot/grub/menu. The /media/something folder in which it gets mounted automatically gave me some trouble. Older systems may not support ACPI full, so sometimes it helps to give the kernel a hint to not use it. modeset parameter. conf to the failsafe kernel (the one you want it to try if the other fails) 3. Change boot-order via Grub-Customizer: Grub-Customizer is graphical tool to configure Grub2 / Burg settings. The computer runs OK like this but I only have one CPU thread with that set along with the numerous other issues brought up by having the ACPI set to off. Booting linux crashes on 2009 White Macbook (hardware version ID "MacBook5,2") unless you use acpi=off or maxcpus=1 Bug #341230 reported by Silvio Sisto on 2009-03-11 86. I use grub, so the step here was a little different. 利用WINRAR提取grub for dos-0. sudo update-grub This should permanently set that kernel parameter. 04 LTS on your computer. 4 Ghz), with ASUS P5RD2-VM m/b with ATI radeon graphics, ULI sata controller and a SATA II Hard disk from WD. This issue affects some newer laptops (e. If you can negotiate your way around it is possible to boot sda2 from the cd using grub. By default, the installation will be started with American English and the boot media as the installation source. However, the installation still froze even after I added "acpi=off" and "nomodeset" to the kernel boot options. Ubuntu正常启动了吧? ⑥进入 ubuntu修复 grub. I installed XP. Then run sudo update-grub. 4rc3 still no boot without acpi=off GRUB line on Acer 5620, but on Dell E6420 and desktops it works.