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[Marc Taylor]

I recently changed all the blown bulbs with led bulbs which work ok behind the dials but since doing that the computer display doesnt work at all, iv tried changing the bulbs around for polarity but no joy.  I get the light i think for the gearbox on when i turn the ignition on but not time, date radio info etc.  Any suggestions would be very greatly appreciated on what is wrong/i have done wrong. Thank you very much

[Welung666]

Is the plug fully home on the back of the display?

[same #same#]

put the old type back in, if the lights come back on then you have blown the resister on the led's or the led's them self... and you got some cheap set leds.

[Marc Taylor]

The plug is firmly in the back i made that mistake on my vectra 
I have tried putting the normal bulbs back in and get nothing from them either.

[same #same#]

is the other lights working eg vents and switches??

[Marc Taylor]

all other lights work all backlighting and all the various switches and lights no problem, i have taken all the blue ones out and put the new standard bulbs in and even in the display.  All the clocks work as normal again as with the blue could only see patches of the speedo and rev clock.  I put normal bulbs back inside the clock display which were bought from a vauxhall spares place, they still dont work so i am thinking they are either the wrong wattage and awaiting gen ones of the 2 wattages used or i have done more damage to it with the blue leds.  If i shine a torch through the bulb holes you can see the display is on correctly just no backlighting to make them visible.   

[Shrek]

The dimmer switch beside the light switch maybe been turned down ...  :-/

[Marc Taylor]

i thought that could have been a possibility but unfortuneately no cigar.  Fingers crossed ill get the chance to get the right wattage bulbs replace them and then it will work fine.  Worst case is a new display, any idea how much they are???

[Marc Taylor]

I have put normal bulbs back in behind my display tried both tifferent types of bulbs and still no light.  Any ideas what else could have gone wrong??? Any help would be gratefully appreciated, Thank you

[RobG]

Have a look at fuse #26

[same #same#]

dose the timer light come on when opening the door??

[Marc Taylor]

i think the light comes on i will have to check and the fuse this afternoon. Thank you for your help

[Lizzie_Zoom]

Have a look at fuse #26

I had exactly the same problem once with my old CDX, and it was the fuse I had blown!!

Cannot remember if it was fuse 26 or not though, but it was the fuse   Everything came back on once that was replaced 8-) 8-)

[Marc Taylor]

the lights and things come on with the doors open like they should and fuse 26 is perfectly fine.  I cannot think of anything else other that a new screen.  If any one else has got any other suggestions as said before will be greatly appreciated, Thanks everyone for your help so far