Dell Latitude C640 Notebook "hook sound bar pc" Questions

...bar, down, right & left arrow keys don't work all the time. They work intermittantly if you hold the key down for awhile. I have hooked up an external keyboard and they all work fine. The sound and ...

...sounds. Please help. Have turned off and on several times, still no screen or sounds. Have you hooked it up to an external monitor? If you can see windows booting up on the external monitor then ...

...sound like the screen is going bad try to hook it up to and external monitor and see if you have a clear picture if you do it could be a loose connection between the case and the Lcd or the inverter ...

...bar showed up. With repeated booting with problem solving efforts the screen remains essentially blank except for a brief (less than a second) flash of the Dell logo and none of the usual boot chimes ...

...sound when normally working as allways ya know the desktop but i can't see enything, only thing i have seen since last night is Belinea very faint for a sec when loading up all i did was shut it down ...

...hook it to a exteral monitor and the monitor was not reading the laptop, lose cable plug? could it still br a backlight inverter? any clues? hi there ! -if you switch the computer on and it boots up ...

...this particular laptop it is the bus and cpu over heating ( a long shiny metal bar looking thingy hooked to the motherboard leading from the CPU) dust and debris collect in a small vent duct that

sound cuts in and out. I've been online with 4 techs from MagicJack, and they keep acting like my computer is the issue. I have high speed broadband, download speeds 2800kbps upload about 200kbps, AMD

...bar with "Press to enter Setup or to enter Boot Menu". I have tried to enter both, and they just say "Entering Setup..." or "Entering Boot Menu..." and nothing happens. Also, it won't shut off when I ...

is super easy to break something and some will only open an inch because of a small electric ribbon hooked to the top board.What you do is remove the watch battery for ten minutes and then put it back