The back light on LCD goes out sometimes as windows boots, once it's out it won't come back without reboot. Sometimes coming out of standby will bring it back. The screen is still there just very dark.
Sometimes moving the screen will trip out the backlight
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pa_ma_fi, Have you figured out how to do the flashlight test on you monitor when it's lcd panel turns black or blank n black. No, CCFL back-lit lcd monitors require lots of things to be working all together at once to light up the CCFL tubes. The new style curlie-Q screw-in, energy efficient CFL light bulbs are of the same similar technology and use an "electronic-ballast" circuit to "light-up" the lamp! You will need to check to see if pc is working perfectly with old monitor that you know is good. You should do some free reading here at fixya in my and other fixya ccfl back-lit lcd technicians profiles. ou will also need to visit YOUTUBE for "LCD monitor disassembly" and "LCD monitor repair" videos. May need printed circuit board "switch-mode-power-supply/ ccfl inverter supply " to be repaired If pc software/firmware has been determined not to be causing this on/off/on/off symptom.
If it seems like you're accessing the hard drive (drive light comes on, flickers intermittently, then goes off, it's a good chance your screen is bad.
First thing to do is plug in an external monitor and start up the laptop. If it comes up with windows, you know it's the screen.
To find out if it's the backlight, or the lcd, toggle the monitor function and shine a flashlight on a slight angle to the screen. If you can faintly see what was displayed on the external monitor, then the backlight inverter is probably bad.
If the external monitor didn't come up, you're probably looking at a motherboard.
The good thing is that all of those are covered for one year under Compaq's warranty, on a new machine.
If you are able to use the external monitor, back up your data, because HP/Compaq usually reformat the harddrive. Additionally, if you've added memory, pull the cards. They want it sent back the way it came from the factory.
If your keyboard glows in the dark,it never lit up.there are two types of keyboards one glows and one actually lights up with a blue back light as an option on the ix250(the bios has the option built in,if it has the keyboard that lights up or not).
the reason for not seeing any picture on the external is becouse it is disabled in windows. I have 3 lcd screens here, only one gives picture untill I go and extend my desktop into the other monitors. from desktop -> right click anywhere -> properties -> settings ->
Id say the backlight is bad is your acer still covered by warranty?
hi If you switch on your screen it just goes dead again. If this is the case then all you have to do is replace your backlights of your lcd. The backlight are florescent tubes Which are gas filled and they have a lifespan of plus/minus two to five years. Once the gas is depleted the backlights try to go on then switches off
This problem occurs alot on all different lcd screens eg. ibm, gigabye and alot of other name brands and even the cheapies. the backlights come in different lengths so you have to open your screen and remove them carefully so that you dont damage or crack the liquid crystal. i have been repairing lcd screens for a while and this is the problem most of the time.This also affects your power supply as the backlights sometimes arc inside and causes the power supply to act funny the reason for power light flashing You can order the backlights from RS components. They supply and sell backlights if you wish to do it yourself Glad to be of any assistance
while the T20 is on and manifesting the dim display....
1. try to slowly close the lid (but not totally closing it) and then pulling it back to its original position slowly. Tell me if the light goes back.
if by doing that action the backlight lights up, you are most likely faced with a Flex cable problem. You might need to buy this from ebay. (dim display problem in T20 series is very common these days due to wear and tear of the flex cable)
2. Also try to use a pen to turn on and off the limit switch that triggers the backlight. This is located above the keyboard below the lcd. See what happens.
I would bet on a failed FL Inverter board which is the board that runs the backlight.
However, if your LCD is RED before it goes dark your backlight has failed. Given the age of the machine you will probably have to get parts from ebay.
If you can tell me the part number of the machine (on the serial number sticker) - I can look up what inverter or LCD you need - there are several different screens the 6000 series uses that are NOT cross compatible.
When the computer boots up and says NTLDR missing it can mean several things, but all of the problems are usually attributed to something wrong with the hard drive/filesystem. I assume your notebook was fully functional before.
If that is the case:
1.) Your file system may be corrupted / damaged. Try booting from the Windows XP cd. The go to Recovery console.(R) follow the instructions on screen until you reach a prompt (i.e. C:\WINDOWS\) then type "chkdsk c: /r" (without the quotes). This is basically running a disk check with XP builtin utility and the /r is saying to do a full scan and fix problems if encountered. If you get an error that says "unrecoverable errors encountered" then your hard drive is pretty much damaged. If it goes all the way through then there is still some hope.
2.) Your hard drive may be failing and if important data is on there you may need to plug it up in another system to try some data recovery.
Well I'll need some more information to make a better analysis! Try the chkdsk and tell me the results!