Trouble with keyboard/space bar sticking and few keys. how to solve

A key falling off of a keyboard might be an annoyance, but it is not a reason to buy a new keyboard. Regardless of which key falls off, it can be replaced fairly easily. Although the method of replacing typical letter keys is a little different than replacing the space bar, replacing either of these types of keys can be done in a few minutes.

Carefully pry the key from the keyboard next to the key that has fallen off. This key can easily be pried by sliding a flat-head screwdriver underneath it and popping the key out. Be careful to make sure the key retainer underneath the key stays in place, especially if the key retainer has also fallen off the key you are attempting to fix. Look closely at the key retainer underneath the key that was just removed. Notice there is a notch in each corner of the key designed to hold the key in place. Place the key retainer back into place if it has fallen off the key you are trying to fix. Make sure it is positioned exactly as the key retainer next to it is. Put the key on top of the key retainer. Use your index finger to firmly push straight down on the key to lock the key back into place. Do the same to the key that was taken off to view the other key retainer. b> Replacing the Space Bar b> Turn the space bar upside down and use a flat-head screwdriver to separate the retainer from the back of the space bar key. Place the retainer into its place on the keyboard. The retainer will hook into small hooks on the left and right sides. The small metal bar from the retainer should line the bottom of the area where the space bar will be placed. Put the space bar back into the place where it belongs. Spread the ring finger, middle finger and index finger across the space bar, and push firmly until the key snaps into place. Put the space bar key back in place and gently press on it with fingers until it snaps back in place.

b>

if the keyboard is too old and if you have used it a lot, then ou have to replace the keyboard. The space bar alone had gone.

these is defective keyboard you need to send to repair/replace or you can connect a destop keyboard for testing on ps2/USB port

This could be a faulty Keyboard. If it were just jeys not working I would say definately the keyboard but you indicated there are some start up problems so this could be a problem on the motherboard or with something that has come loose inside. Double check the hard drive and ram sticks to make sure they are seated.

You can easily fix your space bar. I fixed mine last month when my daughter pulled it out of the keyboard. I used this video tutorial guide to help install the space bar key back into place. Its really very simple. have a look:
http://www.laptopkey.com/installation_guides.php

turn your keyboard upside down and tap it a few times. if that doesnt solve the problem repeat.

If it still won't work write back for more ideas.

good luck and please rate my answer. thanks.

You cleaned the rubber under the buttons and the buttons too? All you do is put the metal bars straight down then angle it about 10 degree towards you then put it in like a regular key, but if you lost the wire then.... might need to get a new one, heh.

Just solved it, after a bit of tinkering...

the prongs of the floating plastic frame need to sit inside the clips of the spacebar key, you can't just clip it back on with the prongs either up or down. It's fiddly, you need a paperclip or thin screwdriver to do it, but it's stopped the sticking problem.

For me, I popped of the space bar, cleaned the junk underneath and fidgeted with the plastic push-button and all was better. Thanks for the suggestion!

Well could try to clean it, but I don't think it will solve your problem.  Just get a new one. Good Luck.