Having problems with your Compaq PC Laptops ?

Compaq presario f730us is forming vertical & horizontal lines on the lcd


Answers :

Normally this is due to several different things. I can give you a few suggestions but you will have to do the detective work. First this can happen because of a bad video card. This can also happen because of a bad connection to the mainboard or a bad cable from the mainboard to the back of the LCD. Last but not as likely is just a bad LCD. Try hokking the laptop to an external monnitor. You should have a 15r pin connector on the laptop to connect a standard monitor to it. There should also be a Fn key that allows you to activate the external part of the LCD. You have to know which key to hit with the Fn key to activate this feature. You can also try to hook up the external monitor before starting the laptop. This normally makes the external monitor activate. If you see the lines on the external monitor as well then its the display adapter not the cable or connection. If the external monitor is clear then try the video cable. The least expensive and easiest to replace is the video cable. Check to see if it has a good connection to the mainboard. If you still have a problem then replace the cable. If that doesnt work and you are really fond of this laptop try replacing the mainboard (unless your video card is replaceable on the motherboard then replace the video card). If you dont want to sink a lot of money into the laptop and the video cable doesnt work then run it on an external monitor. If you need the portability of a laptop and you have determined that the mainboard is bad then you might just replace the laptop and transfer your data. Hope this helps...
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