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laptop monitor turn off after restart!


RYU81

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Some Toshiba's (cannot say if that model) do suffer from a problem of connection between motherboard/videocard and display (the cable is simply a slightly bit too short and can make a loose contact).

Can you try with an external VGA display and see if it behaves the same?

Usually all it is needed is to remove the little cover between keyboard and scrren hinges and take out/re-seat connector:

http://www.paulstravelpictures.com/Toshiba...uide/index.html

http://www.paulstravelpictures.com/Toshiba...-Guide-042.html

http://www.paulstravelpictures.com/Toshiba...-Guide-043.html

http://www.paulstravelpictures.com/Toshiba...-Guide-044.html

http://www.tomshardware.co.uk/forum/53660-...re-repair-guide

Also sometimes the microswitch that turns screen on/off gets stuck.

jaclaz

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Some Toshiba's (cannot say if that model) do suffer from a problem of connection between motherboard/videocard and display (the cable is simply a slightly bit too short and can make a loose contact).

Can you try with an external VGA display and see if it behaves the same?

Usually all it is needed is to remove the little cover between keyboard and scrren hinges and take out/re-seat connector:

http://www.paulstravelpictures.com/Toshiba...uide/index.html

http://www.paulstravelpictures.com/Toshiba...-Guide-042.html

http://www.paulstravelpictures.com/Toshiba...-Guide-043.html

http://www.paulstravelpictures.com/Toshiba...-Guide-044.html

http://www.tomshardware.co.uk/forum/53660-...re-repair-guide

Also sometimes the microswitch that turns screen on/off gets stuck.

jaclaz

i try external VGA display with cable (VGA to VGA) also have same problem.

i try to re-seat connector again still same.

what about microswitch,it there way to fix it?

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what about microswitch,it there way to fix it?

It's a simple one way switch, you either try WD-40 or a similar contact cleaner or you simply connect the two pins to which the microswitch is connected on the motherboard with a loop of wire.

But it should not affect external displey.

Cannot say more without a better description of what is happening, but it does smell like a "real" hardware problem (fried videocard).

jaclaz

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only way to working again with turn off laptop then turn on again.

though this would mean it's not totally fried. If I understand well, it sometimes works (or do you mean the monitor goes live again but only to BIOS ?)

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