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Re: keyboard not functioning at all
Since it's a USB keyboard, have you tried plugging it in to a different USB port? If you use a USB to PS2 adapter, check if that is properly seated (both sides). Similarly if it's plugged into a USB hub, try a different port and then plugging it directly into the computer.
I have had USB ports fail and shifting a device to a different port often lets me continue using the device. If none of these ideas help, the keyboard might have a bad cable or other failure that I can't diagnose.
1) Its cord is disconnected from the PC unit 2) Your Keyboard drivers are outdated.
If the cord is fine, I recommend that you go to the hardware wizard (Start Menu -> Settings -> Control Panel -> Hardware Wizard) and run a "detect new hardware." This feature should be able to get your keyboard going again - and you should be able to access this feature by using your mouse only.
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If there is a display switch in the functions on the keyboard (most likely will look like a laptop monitor or a computer monitor on the keyboard). Press the function key and the button associated with that and wait 3 to 4 seconds (you may have to press it multiple times) If you have anything in the vga slot, then it may think a monitor is plugged in and won't display the laptop screen.
If none of the above work, then maybe your computer is having a systematic failure, or the screen connector is loose.
Did you or anyone else spilled anything on them? Do you have a pet that may stepped on your keyboard?
What you can do is to take out on of the problematic keys. Disconnect from power and use a small ruler to pop the key out. See if anything is under there. Maybe hair or food. Do not shake your laptop as this can lead to other problems. Get a dry cloth and clean the key base and underneath the key. Reinsert the key and try it again. If this works do the same for the other keys.
Sorry for the last answer. The expert probably didn't understand your question.
If you have purchased the optional backlit keyboard, the right-arrow key will have the backlit keyboard icon on it. The backlit keyboard provides visibility in dark environments by illuminating all symbols on the keys. The settings for this keyboard can be personalized by using Dell QuickSet.
Backlit Keyboard Brightness Settings – Press <Fn> + right-arrow key to toggle between the three lighting states (in the given order). The three lighting states are: a. full keyboard/touch pad brightness b. half keyboard/touch pad brightness c. no lighting
Hope this helps. If you need the manual for this computer, it is located here: http://support.dell.com/support/edocs/systems/studio1737/en/SG/F174HA01MR.pdf
To check system board, connect external keyboard and see if all keys function normally. If the external works OK, check connections on laptop keyboard, making sure contacts are clean and fully seated in the ZIF socket If the external fails to function properly it is the system board. LINK check page 66 of 238
Press the Receiver button (and the lights will start
Then if the Keyboard isn't working, press the small RESET/CONNECT
button on the back of the board to connect the keyboard to the