No HDMI Coby TV

[jthawk]

Config.txt Blank:

# uncomment to enable test sound/image during boot for manufacturing test.
# test_mode

# uncomment if you get no picture on HDMI for a default "safe" mode
# hdmi_safe=1

# uncomment this if your display has a black border of unused pixels visible
# and your display can output without overscan
# disable_overscan=1

# uncomment the following to adjust overscan. Use positive numbers if console
# goes off screen, and negative if there is too much border
# overscan_left=16
# overscan_right=16
# overscan_top=16
# overscan_bottom=16

# uncomment to force a console size. By default it will be display's size minus
# overscan.
# framebuffer_width=1280
# framebuffer_height=720

# uncomment if hdmi display is not detected and composite is being output
# hdmi_force_hotplug=1

# uncomment to force a specific HDMI mode (this will force VGA)
# hdmi_group=1
# hdmi_mode=1

# uncomment to force a HDMI mode rather than DVI. This can make audio work in
# DMT (computer monitor) modes
# hdmi_drive=2

# uncomment to increase signal to HDMI, if you have interference, blanking, or
# no display
# config_hdmi_boost=4

# uncomment for composite PAL
# sdtv_mode=2

#uncomment to overclock the arm. 700 MHz is the default.
# arm_freq=800

# for more options see http://elinux.org/RPi_config.txt

## COBY TV output from tvservice -m CEA/DMT
#Group CEA has 7 modes:
#           mode 1: 640x480 @ 60Hz, progressive
#           mode 2: 720x480 @ 60Hz, progressive
#           mode 3: 720x480 @ 60Hz, progressive
#  (native) mode 4: 1280x720 @ 60Hz, progressive
#           mode 5: 1920x1080 @ 60Hz, interlaced
#           mode 6: 720x480 @ 60Hz, interlaced
#           mode 16: 1920x1080 @ 60Hz, progressive
#Group DMT has 5 modes:
#           mode 4: 640x480 @ 60Hz, progressive
#           mode 9: 800x600 @ 60Hz, progressive
#           mode 16: 1024x768 @ 60Hz, progressive
#           mode 22: 1280x768 @ 60Hz, progressive
#           mode 39: 1360x768 @ 60Hz, progressive

I have tried all combos and fail to get any video out hdmi:
Composite the same. However HP & Toshiba laptop work just fine in HDMI

Any suggestions greatly appreciated, purchased COBY TV for Raspberry.
Raspberry works great on my Sceptre hdmi.

[cirrusUK]

i get hdmi vid ( not tried audio ) and only thing i have commented out is: and your display can output without overscan
disable_overscan=1 #wheezy good luck

[asb]

Have you tried uncommenting hdmi_safe=1?