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Linux - Laptop and Netbook Having a problem installing or configuring Linux on your laptop? Need help running Linux on your netbook? This forum is for you. This forum is for any topics relating to Linux and either traditional laptops or netbooks (such as the Asus EEE PC, Everex CloudBook or MSI Wind).

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Old 06-13-2013, 09:52 PM   #1
MostViktorious
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Question Acer Aspire 5749 automatically shutting down after 3 seconds of loading a Live CD


I screwed up my grub.cfg somehow on my Arch box, and I needed a LiveCD to quickly swab it with a backup I had ready. I had a Backtrack 5 DVD lying around and tried to pop it in. However, I've had a similar problem with it; it won't boot. It gets to the screen where you select the boot mode in a list, memtest, live cd, install, whatever. It always counts down approximately 3 seconds, then my computer turns off immediately without warning. It's not the DVD because it works fine on my desktop and I double checked the hashes. This kept happening, no matter what I fiddled around with in my BIOS.

I tried an old Fedora CD to boot into Live CD mode, but the same thing happened. I would see the menu and maybe a 3 second countdown, and it would shutdown. Interestingly, I read somewhere about pressing F6 during this, but all that happened is the screen refreshed - if I didn't keep pressing it, I could not avoid the same 3 second delay before shut down.

I tried my Backtrack CD again, because it allows you to submit boot arguments. I tried "debug" because I saw it somewhere earlier. After many verbose messages, I was actually able to boot Backtrack just fine for the first time.

So, I'm not sure, but I think that my laptop somehow handles loading the kernel image strangely.

Any thoughts?
 
Old 06-15-2013, 09:46 AM   #2
camorri
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Has this system got traditional BIOS or UEFI BIOS?

From what I could figure out, this system was shipped with W7 installed. It came to market when things were changing, from BIOS to UEFI. I couldn't see which type it has. UEFI can be troublesome.

As I read your post, half way through, I was thinking this sounded like a power problem, last part says, no. Can't be sure.

If the system has traditional BIOS, try setting it to 'factory defaults' and try again. I very much dought this "somehow handles loading the kernel image strangely". Debug usually turns on extra logging. Not sure why that would allow a boot to complete; over a regular boot.
 
Old 06-15-2013, 01:53 PM   #3
MostViktorious
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I tried searching up how to check if I had UEFI, and someone said to look in C:\Windows\Boot (Winblows, I know) for an EFI folder; if there is one then I have UEFI. How would I be able to boot everything normally though?

I also remember when installing Arch I didn't set anything for UEFI boot because I didn't think I had it, could this have affected something?
 
Old 06-15-2013, 02:20 PM   #4
camorri
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When the system was new, if it came with UEFI, it would have been set in secure mode. You never could have installed Arch without knowing you had it. It must have a traditional BIOS. When you first turn the system on, before booting starts, is there any prompts there for F keys? or Del key? Look for that, if you see that, it will have older BIOS, not UEFI.
 
Old 06-15-2013, 02:45 PM   #5
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Yes, I get prompted for F2 for options and F12 for boot device menu, so after all it's only BIOS. The fact remains that I can't boot Live CDs normally however.
 
Old 06-15-2013, 02:58 PM   #6
camorri
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That may be more related to the CD/DVD driver you have, and its driver. There are what is known as 'Cheat Codes' you can pass the system when booting to get around problems. Pick one live CD you know works on other systems. Have a look through the doc for cheat codes. That may help.
 
  


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