Can I cancel a FASTBOOT?

[GustavBP]

Hi everyone... My HTC Desire was in my pocket. It was turned off, i think, but when i took it out of my pocket it showed this:

BRAVO PVT3 SHIP S-ON
HBOOT-0.93.0001
MICROP-051d
TOUCH PANEL-SYNT0101
RADIO-5.11.05.27
Aug 10 2010, 17:52:18

FASTBOOT

<VOL UP> to previous item

<VOL DOWN> to select item

BOOTLOADER
REBOOT
REBOOT BOOTLOADER
POWER DOWN

... is it possible to cancel this?

[GustavBP]

I can't use HTC's support, because i need the serialnumber of the phone, and that is behind the batteri.
Can i remove it, whitout loosing anything?