Question about ASUS Z71V Notebook

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LCD failure When my laptop is turned on, the LCD fails to activate, or there is nothing that is seen on the LCD - no light, nothing whatsoever. Didn't do anything. Am afraid the problem might worsen.

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If you have a desktop monitor plug it up to the back of the laptop. Press the fn + the (f function key)ex.. f5, f6 or the one which shows a picture of a monitor. If you get something on the monitor screen.... then the problem is either your backlight or inverter board. Hope this helps

Posted on Oct 05, 2007

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Posted on Jan 02, 2017

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Dell studio 17 1745 laptop don't turn on anymore. Just hear DVD drive make a little noise ( normal when turning on ) then light flash as seen in video then dies.


That looks like a pre-programed system alert code to me that activates when a certain problem arises. Check your user's manual for system alerts. If no joy, try contacting Dell and simply ask them what that particular alert means. If they want to charge you (typical of these manufacturers) throw yourself on their tender mercy and say that you are not asking them to repair it, you only want to know where you can find what that alert means. It's worked for me in the past. Also try the Dell website for your model, they may have it posted there.

Feb 25, 2013 | Computers & Internet

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Laptop wont turn on, got green pwr and amb bat but will not fire up


Systems covered: All failing to boot without lighting up display.

Goal of this Solution: Try to determine whether system is (a) booting successfully while failing to light its display (indicating hardware failure in the display), or (b) failing to light the display due to failure to successfully transfer control to ROM BIOS (indicating a motherboard failure).

The fact that the Green power LED, and Amber Battery LED are lit seems to exonerate the laptop power supply (brick) circuitry. Even with a nearly dead battery, a Toshiba Satellite 1135-s1552 should work while plugged into a properly functioning brick.

Here's Toshiba support's (244 page) online PDF version of your laptop manual:
http://www.csd.toshiba.com/cgi-bin/tais/support/jsp/modelContent.jsp?ct=SB&os=&category=&moid=434997&rpn=PS113U&modelFilter=1135-S1552&selCategory=2756709&selFamily=1073768663

If the HDD (hard disk) activity indicator LED is active after power-on, then your system has actually got past BIOS and is booting - your LCD monitor inverter circuit or Backlight may have burned out - and to use the system, you'll need to connect an external monitor to the RGB monitor port on the back of the system (see illustration on page 32 of User's Guide) to view system activity.
Alternatively, one may attach an analog TV, using the S-Video port on the back of the laptop (see illustration on page 32 of User's Guide).

Once an external monitor is working to display the ROM BIOS part of the boot sequence, you may find that the ROM BIOS is good enough to run a few BIOS-based diagnostics. Run them all - something may indicate the source of the boot failure. Ofttimes, enough of the motherboard remains good to provide interaction with the ROM BIOS, but some motherboard failure will subvert a full boot to Windows/Linux. An example of this type of failure would be a failure of the PCMCIA bus controller, which is vital for booting a disk-resident OS, but unaccessed (except by BIOS diags) when the user interacts with BIOS. Another common failure of this type is main memory (RAM) failure.
A working external monitor/TV also provides a chance to backup important laptop data to a flash drive, sky drive, or CD-RW discs.

If no HDD activity is seen after power-up, then either your BIOS is hosed (in which case you'll need a new motherboard), or another motherboard component is hosed (in which case you'll need a new motherboard).

You may want to transplant the HDD into a working PCMCIA-bus system (any laptop) to recover/backup your important data.
If someone recently attempted and failed to update the motherboard's ROM BIOS, then you know why the system is failing to boot and also failing to light the display.
Here's a link to a site with disassembly instructions for Toshiba laptops:
http://www.irisvista.com/

Most dead laptops (even those whose power supplies have been burned out by a nearby lightning strike with the system on 120 VAC power) will still have perfectly usable HDD module(s), and RAM memory cards, so that at the very least, these removable components may be recycled into memory reserves for your next laptop or sold (Ebay.com) to help defray the cost of a new system.

Dec 14, 2011 | Toshiba Satellite Computers & Internet

1 Answer

The camera will turn on but can not see picture on LCD or viewfinder. New batteries, all lights go on, takes pictures but nothing on screen or review.


If there is no display then it can be due to failure of the LCD. So to confirm check the older picture to be seen on the display. Confirm this by checking the card on your PC. If the display is not seen, then the LCD can be faulty, fault on the linking cable or the control board.

However if the older images are seen well then the LCD is working correctly and the fault can be failure of the CCD- charge coupled device in the camera. If you have accidently exposed the camera directly to high intensity light / sunlight, then it is possible that it is damaged. Remove the battery and keep the camera aside to reset and try as a last resort. Get estimate before you decide. It will be good to have it checked at the authorised service as you do not have to run around for spares.
Thank You for using fixya

Aug 23, 2011 | Fuji FinePix S7000 Digital Camera

1 Answer

When I turn on my laptop it turns on but the screen is not working..it doesn't even light ..it's completely black and off..what can I do for this??


Possible that LCD has failed or the linking flexible cord at the hinges have failed. You need to check this out bby checking and observing for any breaks. Also check the continuity. USe an external monitor to check on the laptop and if the display is seen and the PC works then the LCD/LCD driver IC migth be faulty.
You need to check on the mother board , the power supply to the LCD/Backlight circuit.

Aug 05, 2011 | Compaq Presario CQ50-215NR Notebook

1 Answer

When I tried to hook my FLX 3210 up to my computer it failed to turn on at all. I used this same LCD T.V. with my old Acer Computer and had no problems at all.


you may be having a power supply failure. i have seen many problems with capacitors on the power board in those models. are there any lights on the front when it doesnt turn on? if it were a power supply problem then you would maybe get a red light or blue light come on then go back off,

Jan 06, 2011 | Element Electronics FLX3210 32 in. LCD TV

1 Answer

Dell ADAMO 13 w/Vista 64 Random power failure...goes dead in 1 second. Battery fully charged. Happened with external power and when on battery. I have latest BIOS v6.0. I ran pre-boot diagnostics...


If the power totally fails (i.e. power is cut off, LEDs turn off, fans stop, ... etc), then this more likely to be because of a short circuit developing in a failing semiconductor component, or a power supply problem.
However, if the laptop is still running & only the display on its LCD is cut off but the laptop itself stays powered on, then your laptop might be experiencing a failing screen inverter board, a failing screen backlight lamp, or a failing LCD screen cable.

TYPICAL INVERTER FAILURE SYMPTOMS

1. When you turn on the laptop, the screen lights up for a short period of time and then goes dark. You still can see an image but it is very dark, almost invisible and definitely not usable. When you restart the laptop, the screen lights up and then goes dark again. The laptop works fine with an external monitor.
2. Your laptop turns on but the screen remains dark all the time. You still can see a very dim image outline. The laptop works fine with an external monitor.
3. The laptop screen works fine for hours or even days, but sometimes it goes very dark as it mentioned above. When you restart the laptop, the screen works fine again.

Inverter failure symptoms are very similar to backlight lamp failure symptoms and in most cases you cannot tell which one is causing the problem until you replace either the inverter board or the backlight lamp. From my personal experience, inverter boards fail more often than backlight lamps. If you have to guess, replace the inverter first.

Feb 07, 2010 | Office Equipment & Supplies

1 Answer

My dell vostro 1000 laptop's display ain


if i read this right, when you power up the laptop you get fan spin but no display ?, if you just get fan spin and the green power light and nothing else the you have a motherboard failure, if you get LED activity and it seems to be working but you only have no display the its more likely LCD failure, if you DO get activity try this : power off the system, press power button while holding down the D key, this will run the LCD BIST SELF TEST which will run through full colour screens if fails this test you will et a beep code, please bear in mind you will only be able to run that test if you get LED activity, if you dont have activity then the motherboard needs replacing

Oct 27, 2009 | Dell Vostro 1000 Mobile AMD Sempron...

1 Answer

My lap top will not turn on all the way. The little blue light on the bottom left turns on and then nothing happens. The screen is totally black. How can I fix it or is it broken?


If the orange "activity" light for the HD is not active at all, I would say it's either a HD failure or the ribbon that connects the HD has failed or come loose.

Jul 05, 2009 | HP Pavilion dv6000t Notebook

2 Answers

Won't start


sounds like a board related issue. if this were an lcd issue and the vga chip aint fried, then you should be able to power on a separate monitor by pluggin it into the external vga port usually on the side of the laptop. if you get picture and everything on the external monitor then you know you have a failed lcd or inverter. in the event that it does not get picture on the external and the laptop is still greenlit, you may find that there is a more serious problem with the board. i have seen this happen too often recently with overheating video chips. good luck


ruben

Jul 01, 2009 | Acer Aspire 9500 Notebook

1 Answer

Display light is dark


I have seen this problem before this is caused by a failure of the backlight which provides illumination for the LCD screen. You may also want to check the inverter also since it fails often and interacts with the backlight.

Sep 04, 2007 | Shinco SDP-1750 Portable DVD Player

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