Strange booting problem

[jd1008]

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