Help Help me to Solve this HTC Sensation

[jrockers]

Model HTC Sensation PG58130

Problem: Hang on Logo Only
Action Taken:
1. try to factory Reset = Same problem
2. Try to Recovery Mode = No Recovery Mode. displays a mobile with a triangle and red exclamation mark.
3. Try to send CWM via Fastboot or CMD command = Failed. logs below
4. try to JTAG via Riff box = same Problem

C:\Users\Almutakhases\Desktop>d:

D:\>cd\android

D:\android>fastboot flash recovery recovery.img
sending 'recovery' (5400 KB)... OKAY [ 1.476s]
writing 'recovery'... INFOsignature checking...
FAILED (remote: signature verify fail)
finished. total time: 2.175s

D:\android>


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C:\Users\Almutakhases\Desktop>d:

D:\>cd\android

D:\android>fastboot flash recovery recovery.img
sending 'recovery' (4618 KB)... OKAY [ 1.142s]
writing 'recovery'... INFOsignature checking...
FAILED (remote: signature verify fail)
finished. total time: 1.740s

D:\android>fastboot erase cache
erasing 'cache'... OKAY [ 1.559s]
finished. total time: 1.559s

D:\android>

Any Advice to Solve this.