0
votes
0answers
13 views

not booting on battery - ubuntu 1204 on probook 4445s

There were no problems after initial installation till battery drained completely while the laptop was still on. After this, booting the computer on battery - with power cord disconnected causes ...
0
votes
0answers
212 views

I need acpi=off to boot, but this seems to disable wifi

To boot my computer, I have to use acpi=off in kernel options. Doing this apparently causes my wifi adapter to be switched off and prevents my mouse and USB keyboard to not work. If I change ...
0
votes
0answers
122 views

Thinkpad T60p boots 12.04 & 13.04 from Live CD but panics when booting same from SSD

Strange problem has me stumped. Recently swapped out old HDD for new SSD on my T60p. Now can't seem to boot off it after installing either 12.04 or 13.04, but booting from Live CD with same those ...
1
vote
0answers
623 views

Can not run Ubuntu 13.04 with ACPI

I am trying to install 64 bit Ubuntu 13.04 on a new system. I can only run Ubuntu with "acpi=off" option. This applies to both attempt to run Live USB and installed system. If I do not give "acpi=off" ...
0
votes
0answers
93 views

ACPI problem on 12.04 LTS and Compaq 6715b

After boot both cores run at 800 MHz, but during boot they run on 2GHz. And the hardware can't power off. I tried cpufrequtils and got some statistics, and another boot problem... 2.0 GHz, 1.8 GHz, ...
0
votes
1answer
571 views

Problems on boot

Good morning! I have a little problem with my Ubuntu 13.04. Actually, I have this problem with any other linux distributive (Fedora, Fuduntu, Mandriva, Ubuntu 11.04 => 13.04, Linux Mint 14 and oth.). ...
0
votes
2answers
412 views

On boot, Ubuntu 13.04 reaches 89º C and shutdown

After install Ubuntu 13.04 my notebook, an inspiron 15R n5010, reaches 89ºC and shutdown. I tried to boot on recovery mode and before shutdown seems to say that "ACPI" gave the order. Somebody knows ...
0
votes
2answers
2k views

My laptop only boots with the acpi=off parameter. How can I fix this?

I managed to install Ubuntu 12.10 with the option acpi=off, as it didn't work without. Now it boots only with this option. Is it possible to solve the problem for the need of this option? With this ...
0
votes
0answers
905 views

Ubuntu boot hangs on “Attached scsi removable disk”

My Ubuntu hangs at boot with message "Attached scsi removable disk". When I boot with param acpi=off, system boots fine. I'm booting from harddrive, not from usb device. I managed to locate source of ...
0
votes
1answer
1k views

HP Spectre XT screen dim (completely dark) on boot. Can this be fixed? [duplicate]

When my computer boots up, the LCD backlight is completely blank. I have to increase the brightness using the keys on my keyboard, and only then am I able to see the login screen. I'm not sure how ...
0
votes
1answer
1k views

Booting trouble after upgrade to 12.10 on a Dell XPS 15z

Before the upgrade, booting did not work out of the box, but this site told me to put "acpi=noirq" before "quiet splash" in the commands befre startup, and edit /etc/default/grub too. This worked ...
2
votes
2answers
15k views

How do I disable ACPI when booting?

When I tried to install Ubuntu from the live CD start menu, the screen became black with just a blinking cursor. I rebooted the PC and I chose the option acpi=off. Then the installer started and ...
0
votes
1answer
589 views

Computer is randomly shutting down. What could be?

I'm having some problems, my computer is shutting down at random intervals, but from today it started to shut off rigth after the login screen. It's a Toshiba Laptop. I thought it was the cpu ...
8
votes
3answers
22k views

Booting Ubuntu 12.04 with “acpi=off” grub parameter

In order for me to boot into 12.04, I have to add the parameter acpi=off in grub. Any other options as specified here do not allow me to boot into Ubuntu. My question is simple, what does setting ...
1
vote
0answers
788 views

Error message “BUG: unable to handle kernel” [closed]

I extracted the .iso onto a disk, and tried to boot from it. For the longest time, it wouldn't even boot, instead, it would bypass it and boot from the hard drive, until I swapped my newer disk drive ...
10
votes
1answer
17k views

What do the different Boot Options mean? (i.e. acpi=off, noapic, nolapic, etc)

I've been having issues installing 11.04 on my new laptop, the solution was to enable any of these boot options: acpi=off noapic nolapic But, what do these options actually do? What sort of ...
11
votes
3answers
6k views

How do I configure WakeOnUSB properly?

How do I configure Wake-On-USB properly on a 10.04 or 10.10 Ubuntu (2.6.36 and higher if needed)? (Wake-on-USB is when the computer is asleep and for example a USB Keyboard event wakes up the ...