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All Products > IBM > (11P836402) for ThinkPad R40 Monitor > Troubleshooting

Tags:

Blank screen, problem repair, HOW TO REPLACE, screen repair, screen

Blank Screen

posted by cyberdude on Sep 21, 2007

I have and IBM Thinkpad R40. Its been working fine for the five years that I have been usin g it. Yesterday the laptop was turned on the whole night and when i woke up in the morning, i saw a blank screen, so I just swtched it off. But when I tried to switch it on again, the screen lights up but remains blank. I can hear the start up music and all that but the screen is blank. I connected the laptop to my desktop monitor and it works fine.

Any ideas on what I should do??

Comment by cyberdude, posted on Sep 22, 2007

Well...the inverter circuit huh??...Is it something that I can do at home? or should I give it to repair??

Comment by cyberdude, posted on Sep 22, 2007

Thanks......Ill do that...

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Best Solution

posted on Sep 22, 2007

ashishbajaj

Rank:

Apprentice
Rating: 90%, 2 votes

ccfl ( cold cathode flouroscent lamp ) is the backlit feature of the lcd panel.

If you see a blank screen but do see the output on the external monitor then you sure have to take it to the hardware tech to get the inbuilt LCD panel checked.

it seems to be a electronic failure.

Thanks
Ashish.

Rating Locked! (?) cyberdude has rated this solution as Helpful

Solution #2

posted on Sep 21, 2007

ajith

Rank:

Guide
Rating: 85%, 27 votes

hai the problem is with inverter circuit or with ccfl replace or repair it

Rating Locked! (?) cyberdude has rated this solution as Thanks for Trying

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Blank Screen

Comment by cyberdude, posted on Sep 22, 2007

Comment by cyberdude, posted on Sep 22, 2007

Thank You!

Thank You!

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