That is hard to say if your wii can be fixed, do you have:
A nand backup from bootmii? Do you know if it was possible to install bootmii in boot2 (or is your wii to new for that)
If your bluetooth is broken you should be able to get into recovery mode (using a gamecube controller or dance mat) but since you get no signal I guess you can rule out that option.
I none of the above is applicable then you can throw away your wii. Just keep the drive, bluetooth module and wifi module as spares ...