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Laptop with blank screen I can't see any damage

post #1 of 9
Thread Starter 
My friend has just given me a laptopto try and fix it was working fine yesterday,
its a Toshiba L300 blank screen just black from start bios does not come up I cant see any damage.
Primo Power
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Primo Power
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post #2 of 9
Try shining a flashlight on the screen when it's running, if it's the backlight, you should be able to see what SHOULD be on the screen that way and then you know the problem.

Also, try using an external monitor to see if it will display that way. If not, it's probably the GPU.
post #3 of 9
Thread Starter 
Its working fine on external monitor, but nothing on laptop screen.
Primo Power
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Primo Power
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samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
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Custom black ice water cooling WINDOWS 10 Pro x64 Samsung syncmaster 305t 30inch  Logitech G110 
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post #4 of 9
Ok, try the flashlight trick to see if the backlight is out. Could also be a loose/broken connection to the screen as well.
post #5 of 9
Thread Starter 
OK ive used a flash light to check the screen and there's nothing at all no damage or faint image.
Primo Power
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Primo Power
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samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
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post #6 of 9
Take the keyboard out and underneath of it find the LVDS cable, it's likely just loose. That's a pretty common problem after one too many open / closes of the screen.

Here's the instructions: If it's on the motherboard side (Which it almost always is) then you can get it done using the steps on page 1, if it's on the monitor side, you'll have to go all the way through to page 3.

http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L305-L305D/remove-screen-replace-video-cable-1.htm
Edited by un1b4ll - 1/4/12 at 11:01am
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Six
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post #7 of 9
Thread Starter 
Quote:
Originally Posted by un1b4ll View Post

Take the keyboard out and underneath of it find the LVDS cable, it's likely just loose. That's a pretty common problem after one too many open / closes of the screen.
Here's the instructions: If it's on the motherboard side (Which it almost always is) then you can get it done using the steps on page 1, if it's on the monitor side, you'll have to go all the way through to page 3.
http://www.irisvista.com/tech/laptops/Toshiba-Satellite-L305-L305D/remove-screen-replace-video-cable-1.htm

Thanks ill give it a try.
Primo Power
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samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
CoolingOSMonitorKeyboard
Custom black ice water cooling WINDOWS 10 Pro x64 Samsung syncmaster 305t 30inch  Logitech G110 
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XFX BLACK 850W Phanteks Primo Logitech G602 Cyber Snipa 
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Creative 350 
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Primo Power
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 8320 @4.5ghz ASUS SABERTOOTH 990FX MSI 280x 3gb CORSAIR Dominator 8.00 GB Dual-Channel DDR3 8-... 
Hard DriveHard DriveHard DriveOptical Drive
samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
CoolingOSMonitorKeyboard
Custom black ice water cooling WINDOWS 10 Pro x64 Samsung syncmaster 305t 30inch  Logitech G110 
PowerCaseMouseMouse Pad
XFX BLACK 850W Phanteks Primo Logitech G602 Cyber Snipa 
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Creative 350 
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post #8 of 9
I say bad motherboard or LCD.

Can't be GPU related as it's an integrated one.
BlueRaven
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Dead BIOS
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BlueRaven
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Dead BIOS
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post #9 of 9
Thread Starter 
thanks it worked
Primo Power
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 8320 @4.5ghz ASUS SABERTOOTH 990FX MSI 280x 3gb CORSAIR Dominator 8.00 GB Dual-Channel DDR3 8-... 
Hard DriveHard DriveHard DriveOptical Drive
samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
CoolingOSMonitorKeyboard
Custom black ice water cooling WINDOWS 10 Pro x64 Samsung syncmaster 305t 30inch  Logitech G110 
PowerCaseMouseMouse Pad
XFX BLACK 850W Phanteks Primo Logitech G602 Cyber Snipa 
Other
Creative 350 
  hide details  
Reply
Primo Power
(17 items)
 
  
CPUMotherboardGraphicsRAM
AMD FX 8320 @4.5ghz ASUS SABERTOOTH 990FX MSI 280x 3gb CORSAIR Dominator 8.00 GB Dual-Channel DDR3 8-... 
Hard DriveHard DriveHard DriveOptical Drive
samsung 850 evo 250gb  Samsung 1Tb 6gb NAS LG BLURAY 
CoolingOSMonitorKeyboard
Custom black ice water cooling WINDOWS 10 Pro x64 Samsung syncmaster 305t 30inch  Logitech G110 
PowerCaseMouseMouse Pad
XFX BLACK 850W Phanteks Primo Logitech G602 Cyber Snipa 
Other
Creative 350 
  hide details  
Reply
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