It may be a problem with the [https://www.ebay.com/itm/142210491330|inverter board] or the https://www.blisscomputers.net/15-6-lcd-ccfl-backlight-lamp-wire-harness-toshiba-satellite-l450-l450d-l455d-new-630987/|CCFL backlight tube].
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It may be a problem with the [link|https://www.ebay.com/itm/142210491330|inverter board] or the [https://www.blisscomputers.net/15-6-lcd-ccfl-backlight-lamp-wire-harness-toshiba-satellite-l450-l450d-l455d-new-630987/|CCFL backlight tube].
The links are examples only just to show the parts and how much they may cost.
Search online for ''Toshiba L455D inverter board'' or ''Toshiba L455D CCFL tube'' to find suppliers that suit you best.
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Here's a [https://www.youtube.com/watch?v=LxVQ0jQFx8w|video] that shows how to replace the inverter board that may help.
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Here's a [link|https://www.youtube.com/watch?v=LxVQ0jQFx8w|video] that shows how to replace the inverter board that may help.
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I couldn't find a video on how to replace the CCFL tube in your particular model, but [https://www.youtube.com/watch?v=RA8-UU8qHHA|here] is one that in general shows what to do.
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I couldn't find a video on how to replace the CCFL tube in your particular model, but [link|https://www.youtube.com/watch?v=RA8-UU8qHHA|here] is one that in general shows what to do.
Hi @nthako
It may be a problem with the [https://www.ebay.com/itm/142210491330|inverter board] or the https://www.blisscomputers.net/15-6-lcd-ccfl-backlight-lamp-wire-harness-toshiba-satellite-l450-l450d-l455d-new-630987/|CCFL backlight tube].
The links are examples only just to show the parts and how much they may cost.
Search online for ''Toshiba L455D inverter board'' or ''Toshiba L455D CCFL tube'' to find suppliers that suit you best.
Here's a [https://www.youtube.com/watch?v=LxVQ0jQFx8w|video] that shows how to replace the inverter board that may help.
I couldn't find a video on how to replace the CCFL tube in your particular model, but [https://www.youtube.com/watch?v=RA8-UU8qHHA|here] is one that in general shows what to do.