Rep: 13
1
This laptop was disassembled to repair bad hinges.
When it was reassembled it would not start. Memory has been checked. Backup battery has been changed.
Optical and Hard drive checked. Num lock key works.
On and Off button works. Screen lights to black but will not show Toshiba or launch Windows. Motherboard was changed with guaranteed replacement.
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Rep: 782.3k
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Bob, connect an external monitor and see if that shows anything. Sounds like either not all connections were seated or a bum LCD
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Rep: 15.1k
13
39
16
Check the RAMs properly fixed to the slot it it is ok connect your laptop to extranal monitor if graphics comes fault occuring from your display connecotr or wires which transfer data to lcd.if both not works can assume your power management module not functioning properly. find the local place which facilatate BGA reworking and change the PM Chip
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Buddhika Mahesh, "Memory has been checked" and "Motherboard was changed with guaranteed replacement." so that eliminates most of your answer. It is a good answer, but always read the question carefully first;-)
My Toshiba laptop's screen is black when I power on computer. I unplugged the first time it did it, plugged back up and it came on.Now it is black again and will not work when i do what i did the first time. The computer is powering up just like it normally did but just a black screen. any suggestions??
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