Question about Compaq Presario M2000 Notebook

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Back light will not turn on

Hi! the back light will not power on but the display is okay... i don't know what to do... my pc is also affectred by rundll virus... help me...


tanks

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Please send the compaq presario laptops full drivers

Posted on Jan 21, 2009

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Flashing green led light in back of tower


hi, okay you got to be careful here, it's sounds like the power supply has called it a day, disconnect from the mains take the side panel off and get sniffling can you smell a burn smell , no , now pull the power leads from the hard disk and DVD drive if fitted now removing anything that could cause a short on the board , turn it on, do you get video display ?


Please be careful of static shock and mains shock so only look inside once it disconnected from the mains.
Keep me updated please.


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Power turns on but screen is black


If turned on, are the lights active? if yes! hook a spare monitor to the video output usually on the back, if picture okay! the inverter board just under the LCD screen is defective, "more than likely" or the backlight behind the LCD display has gone bad. But if both show the same symptom it is the video graphics card.

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Hook a external monitor to the video output normally on the back, if picture okay! the inverter board or the back light behind the LCD display is defective, if both show the same symptom, the Video Graphics Card is bad normally built into the motherboard.

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I have a casio te-400f displaying E001 wrong mode message. I didnt intrupt a process so switching the key back to allow it to complete is not working. Any ideas?? I have no till this morning!!!!


Hi. It only happens when a function is not complete in another mode, so it will definitely be waiting for completion of last function. Since you don't know what it was, you can flag clear it to jump back to REG mode:
Turn key to PROGRAM mode.Turn power off at wall.Hold RECEIPT FEED down - keep your finger on it.Turn power on at wall.Wait 5 seconds, then let go of RECEIPT FEED.You should see "FFFFFFFFFF" on display.Press SUBTOTAL.wait for printout.Turn key back to REG mode.Note: You may have to sign back on (clerk buttons)
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If anyone needs more information, the Casio TE-4000f manual is here:http://the-checkout-tech.com/manuals/cashregisters/Casio5.php

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Hi guys! Im having problem with my Dell monitor. When i turn on my computer it will load but my monitor just display 2-3 seconds and it will turn black again..the power light is working when i turn off and...


This is a problem with the CCFL bulb (the back light) or the inverter that powers it. This bulb is inside the lcd pannle and requires great care to replace. Some local PC Repair shops will be able to fix it however most will not. The inverter which is (most likely) the problem can be found on ebay for $20-30 USD and is easily replaceable it is general a small curcit board below the lcd pannle hidden in the bevel. However same times the board is merged into a much larger board which will be tricky to replace as it is specific to the monitor.

Don't forget to rate below.

May 10, 2011 | Computers & Internet

1 Answer

When I turn on my advent 4211C nothing happens. The battery is charged and the on off light is showing on. The screen is not even lighting up and there's no error message. Would anyone know what the...


Remove the main battery and power supply and allow several minutes for residual discharge, now plug in power adapter only, any change, if yes! battery is bad, if no change, battery okay. Will! hook a external monitor on the video output on the back of the laptop, if okay! it is the LCD screen on the computer, causes! a bad inverter board, the back light behind the screen display has failed. Now if both show the same symptom the video graphics card would be suspect that is part of the mother board. Next remove the hard drive to see if the Advent logo appears, if yes! hardware needs to be checked, If no change! swap out the ram one at a time to see if the computer will come to life. If none of the above work the motherboard is the likely culprit, to pursue this I recommend a computer technician.

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2 Answers

Monitor displays breifly then goes to blank screen


If tried the monitor on two other computers with the same result -- definitly your monitor is faulty. Take it to the repair shop. To make double sure, run your computer with another monitor. If everything is fine now; you can blame the monitor.

Dec 17, 2008 | Dell Dimension 4600 PC Desktop

1 Answer

Emachine t2385


Hello,

You might have a stuck key on your keyboard. I emphasize might.

Try this though:
Remove the power cord from the back of your PC. Leave it out for a minute or so. While it is unplugged turn your keyboard over and strike the top of the keyboard against your work area top a couple of times. Some debris may come out, could unstick any key that may be stuck. Reattach the power cord and if it doesn't power up immediately turn the power on and see if everything is okay or not.

If not, let me know by commenting back so I can talk you through another troubleshooting technique. Okay?

Regards,
Worldvet

May 24, 2008 | E-Machines eMachines Desktop PC

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