Strange booting problem

[Rick Stevens]

On 06/24/2015 05:36 PM, jd1008 wrote:
>
>
> On 06/24/2015 06:25 PM, Rick Stevens wrote:
>> On 06/24/2015 05:07 PM, jd1008 wrote:
>>>
>>>
>>> On 06/24/2015 05:57 PM, Rick Stevens wrote:
>>>> On 06/24/2015 04:25 PM, jd1008 wrote:
>>>>> Laptop: Dell Latitude E6510.
>>>>>
>>>>> OS: F20 with all updates
>>>>>
>>>>> Grub installed on sda.
>>>>>
>>>>> Power up ,and after bios's internal works, I do not get the grub menu.
>>>>> All I get is an empty screen with the underscore cursor blinking at
>>>>> upper left corner.
>>>>>
>>>>> Reboot.
>>>>>
>>>>> Press F12 to get the BIOS boot menu.
>>>>>
>>>>> Select Internal HDD
>>>>>
>>>>> Boots just fine.
>>>>
>>>> Looks like the BIOS' concept of the primary boot drive is different
>>>> than "internal HDD". Check the boot order on the BIOS.
>>> Boot order is
>>> 1. CD drive
>>> 2. USB drive
>>> 3. Internal Drive
>>> 4. Network
>>
>> Ok, so do you have a CD in the drive or a USB drive plugged in? If
>> so, it's going to try to boot from them first.
>
> OK, so how long before bios times out and move on
> to the internal HD? The usb drive, which is
> NOT bootable, has no booter installed, and
> neither one of it's partitions are bootable:
>
>
>
> # fdisk -l /dev/sdb
>
> Disk /dev/sdb: 1.8 TiB, 2000398933504 bytes, 3907029167 sectors
> Units: sectors of 1 * 512 = 512 bytes
> Sector size (logical/physical): 512 bytes / 512 bytes
> I/O size (minimum/optimal): 512 bytes / 512 bytes
> Disklabel type: dos
> Disk identifier: 0x1bc5003b
>
> Device    Boot      Start        End     Blocks  Id System
> /dev/sdb3            2048 3890251950 1945124951+ 83 Linux
> /dev/sdb4      3890288670 3907029166    8370248+ 82 Linux swap / Solaris

It's irrelevant. You might get a "No OS found" message after a while,
but it's going to keep trying to boot that as long as it's plugged in.

If you MUST leave that plugged in, then change the boot order to:

	CD-->HDD-->USB-->Network

and I'll bet it works.
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- Rick Stevens, Systems Engineer, AllDigital    ricks at alldigital.com -
- AIM/Skype: therps2        ICQ: 226437340           Yahoo: origrps2 -
-                                                                    -
-          "How does that damned three seashell thing work?"         -
-                           -- Sylvester Stallone, "Demolition Man"  -
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