Question about Toshiba Satellite A135-S4527 Notebook

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When power up lcd screen will not light up you can see program if you look hard some time it come right on other time you have to turn it back off and keep trying . external monitor work fine . if does appear it might stay on for hours or just a couple minute

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It is most likely the LCD back light's inverter. They can be obtained for $15-$45(US) and are fairly simple to replace if you know how to remove the bezel from your laptop's LCD.

you can get more detail here:
http://hardware.slashdot.org/article.pl?sid=05/12/11/1727257

Posted on Feb 28, 2009

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My kindle will not turn off


Did you try

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I have a Vizio Model XVT3D554SV TV that uses a bluetooth technology remote. I have been unable to get the MX 500 to learn from the TV remote and cannot find the code for the TV. I would like to use the MX...


2. Auto Scan With Three-Digit Number
You can also program your remote control by sending out a
series of Power Off commands for different brands stored
in the library by using the following steps. This is similar
to the first method, except it is easier to move through all
of the device codes for your device and make note of each
one that turns your device OFF.
1. Manually turn on the device you plan to operate.
2. Go to the SETUP mode by pressing both the MAIN and
ENT buttons simultaneously for three seconds.
3. Press the P-PRO button next to the LCD screen.
16
17
4. Programming the MX-500TMto Control Your Components
4. The remote will be flashing "SELECT BUTTON".
Press the device you wish to program. (For example, to
program TV, press the TV button.)
5. The remote will be flashing "FROM TABLE". Select the
device from which the scanned code will be selected.
(Important: If you have already relabeled your device
keys, your LCD screen will not look like the illustration
above. Select the appropriate LCD button for the "FROM
TABLE" using the labels as shown in the illustration on
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AUX as LIGHTS, you would still push the bottom-left
button to access the AUX Code Table.
6. Point the remote control toward the component and
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(Please press the UP (or DOWN ) button within 20 seconds
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18
7. Confirm that it is the right code by pressing the Power
button. After you have confirmed that the right code is
entered, save the code by pressing the SAVE button on the
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8. Confirm that you entered the right code number that
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9. Continue to program other components by repeating
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2 Answers

Monitor comes on and goes right to a black screen like the power was turned off but the power light is still green.


hi,
You have to check the back light of your lcd monitor. All lcd screen have a back light to illuminate the pixels. you can conform is the back light is faulty or not by watching the lcd screen nearby. Watch can you see any image (negative image) on the screen. you have to look very closely. if you see any image on the screen then the back light or the back light inverter is faulty.

You have to check the back light inverter board. Normally in lcd monitors you can see three circuit boards. power supply, mother board, and the inverter board. If available then try to replace the inverter board. There are high voltage transformers in this board. There is a chance for its winding get short. You will not get the transformer in open market. Try for the inverter board .
ok

May 06, 2011 | LG Flatron L1511SK (Black) 15 in. Flat...

1 Answer

When my m45-s331 laptop is turn on for a long time, if i put the monitor off, maybe in not be turn on again and it's brightness become very low and hardly it can be seen! what should i do?


It's possible that the LCD lid close switch stuck in the "closed" position and the back-light stays off even when you open the LCD screen or turn on the laptop. The switch turns off the back-light when you close the LCD display to save the laptop battery power.

If that didn't fix it then there are 3 things that could have gone wrong:

1. Video cable connection from inverter to LCD got loose. To check this, follow instructions from step 3 on how to open the LCD and check if cable is fitted properly.

2. The video inverter is faulty
The screen inverter failure is very similar to the back-light lamp failure. In both cases the screen gets very dark and the image on the screen becomes very faint, barely visible under a bright light. If it's still under warranty, take it for a replacement. You can replace this otherwise - you can find the inverter under the screen, follow the procedure described at point 3 to open up the screen.

3. The LCD monitor is faulty
If it works on an external monitor most likely the LCD is faulty and needs replacement. If it's still under warranty, take it for a replacement. If not, you can do it yourself, it's pretty easy. Remove the rubber covers on the side of the screen, unscrew the screws take the plastic cover off, disconnect the video inverter and put in the new LCD after you connect the video inverter to it.

Jan 17, 2011 | Toshiba Satellite M45-S331 Notebook

3 Answers

I have a Compaq presario CQ61, an when i turn it on the screen is black other than some really dim writing i can hardly see. Help?


Try attaching an external monitor to the laptop & see if you could get any display on it. If this is successful, then you might have either a faulty LCD cable or screen inverter board.
The LCD cable transfers data signal from the motherboard & video card to the LCD screen. It also supplies high voltage DC power to the screen inverter board. The screen inverter board works as a power supply for the backlight lamp mounted inside the LCD screen. It converts low voltage DC power to high voltage AC power needed for the backlight lamp.

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1 Answer

Eee pc won't turn on (I think have already posted this,not sure)


Sounds like a classic case of hardware failure!!!!!!! possibly your motherboard, start by removing the battery, hard drive and optical drive.
disconnect the laptop monitor and connect the laptop to an external monitor.
remove the memory modules clean the brass contacts with a eraser and place back in the machine 1 at a time to check to see if they work, remember to plug in the AC power suppy, if you see the post screen then its a memory issue and you can then reconnect your laptop monitor to see if it lights up, if everything works but the monitor then its the inverter or backlight that has blown and is easily repairable saving you money on a brand new screen

Nov 13, 2008 | ASUS Eee 4G Notebook

1 Answer

LCD


First try this, right click on the desktop, click properties, open the screen saver tab, click the power button, then change the screen settings to never. If this doesn't work, then I'm afraid it's a hardware issue. Check the screen connections, connection to the back of the screen, screen to inverter, and screen to motherboard (under the keyboard), sometimes the connectors can work loose. If the connections are good, then the issue may lie with the inverter or screen itself. More than likely an intermittent problem with the inverter.

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3 Answers

The monitor light does not turn on!


Connect another external working monitor to the computer, if the other works then get lamps and inverter replaced.

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1 Answer

Mag innovision LT716s monitor


When I turn on my computer the monitor takes a long time to warm up and colors change and vertical lines flash across the screen from right to left before the screen becomes normal again. Now the power light even goes out upon turning on my computer and I have to unplug the video cord and plug it back in to start the screen back up which even takes longer.

Feb 19, 2008 | Mag Innovision LT782S 17" Flat Panel LCD...

3 Answers

Mag Innovision LT776s 17 in. Flat Panel LCD


I have the same problem except it usually happens after Ive left my computer idle for a while... i.e . Overnight, I usually turn off the monitor and I hit the button after I come back to turn it on. I get the same flashing light for several minutes. This has been a problem for several months, but only recenly have i gotten the same error message you mentioned. Each time ive booted the computer up cold or restarted it has worked fine but this time it took longer along with displaying the message: Top Left to Right: SH770 P001 Bottom Left to Right: AU M170EN05 Anyone else who can clear this up?

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