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There are a couple of things you could try: 1. Remove the keyboard following a service manual for your laptop, and reseat the ribbon cable underneath it. 2. If the problem still isn't solved, the keyboard should be replaced
Keyboards on Windows computers can repeat letters when key press sensitivity is too high. This problem can be rectified by adjusting your keyboard's repeat frequency. Once this is lowered, key presses will occur slower and you will not have the letters repeated instantly.
Click"Start," then "Control Panel." Click "Hardware and Sound," followed by "Keyboard." Move the "Repeat delay" slider further to the left below the "Character repeat" option. The further left the slider moves, the longer the delay will be before a character repeats.
The enter key is usually used for DOS command prompt. or when typing in passwords to enter certain programs or computers and email accounts click stat type into search cmd press enter a black screen should open
It might be a problem with the actual enter key on your keyboard.
Gather your supplies. There are commercial kits available, but a can of compressed air, a lint-free cloth or wipes, mild dishwashing liquid, and a vacuum cleaner with a soft brush are all you really need for a basic cleaning. After turning off your computer and unplugging your keyboard, gently shake the keyboard upside down over some newspaper to dislodge loose crumbs and particles. Use the can of compressed air to blow a stream of air between the keys. Repeat Step 2. Dampen a lint-free cloth with a diluted solution of dishwashing liquid and water to wipe down the keys. Use the vacuum cleaner brush attachment to suck away any remaining dirt or debris. If you have a membrane-type keyboard (it doesn\'t have a spring under each key) and the keys are truly grungy, you can remove the keys with a small screwdriver and use cotton swabs and 90% isopropyl alcohol to get it sparkling clean hope this helps
If you don't see anything at all and it has not been dropped or banged it maybe something as simple as the Video out selection. Look at the keyboard and locate the [FN] and the [F4](Actually look for the key with a small video screen on it which is usually the F4 on HP machines). After turning the computer on press and hold the [FN] key then press the [F4] Key. There are 3 modes programmed into the video selection. Computer monitor, Computer monitor and External Display and External Display only. What happens a lot of the time is someone may have accidentally pressed this combination of keys and the video is actually redirected to the external monitor only option. If this does not help and you can connect the computer to an external monitor and use that key combination to get the output to that screen then the problem is most likely the Back light for the monitor of the screen itself. Both can be replaced. HP can provide the back light part at a reasonable price. For the screen itself I recommend you go to someplace like E-Bay and purchase the replacement. Make sure you look at the sellers past record so you don't get taken. I DO NOT recommend using Craig's List for anything.
Hello, if your keyboard has malfunctioned the only way to type the password would be by using another computer in your home network to connect remotely to the computer to type in the password. If you need assistance with that let me know.