Hi, i dont have display on my lcd, the lcd does work, i tested it on my laptop and its fine. I have reset CMOS and checked for faulty RAM on my board, but still dont get disaply on lcd. The m-board makes the normal boot up noises when u startup, but my lcd doesnt display, it says no signal input! please assist.
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Re: No display on LCD
Hi toffie! you probably have it connected it to your onboard vga, please have it check at the back if you have a video card connected separately, and if you have it means that you need to disconnect it on the onboard and connect it to your video card.
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Does it say no signal? Does is beep correctly during POST(power on self test)? Usually the remedy for this is checking your vga data cable if its connected properly and if it is, check the pins, are they all looking fine? If not change the cable and try again. If the cable is attached to your screen permanently, try a different screen.
If there is no display, then follow this steps to troubleshoot it,
As it been displaying before and suddenly stops displaying, if your answer is yes then start with
1 check whether there is power to the board i.e power gets to the motherboard
2 Check the cmos battery,whether it is still ok, you can find the cmos battery on the motherboard
3 Check the RAM or memory whether it is firmly connected to its slot and working good
4Check whether your VGA chip on the motherboard is good if not you have to get an external VGA card and plug it on one of the slot either PCI or AGP slot.
5Check the data cable to the monitor, if it is still good,by removing it and testing it a good one.
6Check if the problem is not with your monitor either CRT or LCD by testing with a good one.
If the motherboard is a new one and is not displaying , i would recommend you return it and collec a new one
Your motherboard is dead. u need to replace your motherboard. if it was any hardware device problem it will stay on but will not show any display but the leds will stay longer than 10 seconds. i suggest you find a hp authorised service center and let them diagnose. i'm pretty sure your motherboard is dead.sorry to say man.good luck
Since you can view the laptop's output through VGA, it indicates that the issue lies with the laptop's LCD. As u mentioned, firstly the LCD become dull, and now it completely dead, suggest that the internal flat ribbon cables that connect the LCD to the motherboard of your laptop may have been damaged. This could happen sometimes after extensive use. Please get it checked with authourised technician. Do not experiemnt further, as this could make the situation worse. Cheers..
remove the cover which has your power button and covers the LCD cables. Remove the keyboard and flip it over, being careful to not pull too hard on the cable. There's 2 small triangular silver connection pads beside the keyboard connector on the main board - connect them together and power on your computer (flat screwdriver works fine). Press the f2 key - you'll find it doesn't prompt you for a password. You can lift off the connections now. Go to exit and save changes, and you're password free.
Hi Obenour, Two beeps than a short pause than two beeps again repeating means. A memory parity error has occurred in the first 64K of RAM. The RAM IC is probably bad. Best thing to do is download a memory testing bootable software for a floppy disk. This program works out side of windows. It will test you're memory. http://www.memtest.org/ You'll need display for this. If you have more than one bank of memory installed, remove all but one. Check your manual & see which DIMM slot the memory should be in as a single DIMM. If you only have one DIMM replace it. Test you're monitor on another system or laptop. (Checking it on another system, verify’s its good). Monitor display good! Than check video card (If you added an 8x AGP card). Remove & reseat the card. Check again for good display. Still no decent display? Windows will not install file correctly with bad memory. You will not receive clear display on your monitor.
how to fixed your motherboard no display and no beep, 1st you must clean your memory using eraser and brush for painting if not display again try to clean your video card if have a video card using again the eraser and painting brush if not display again try to pull out the bass in the cdrom and floppy disk. if not display you must replace the memory and video card., if not display try to change your motherboard. The beep put speaker in the motherboard.. gudluck guys