Articles in this category My computer freezes or is behaving strangely Try restarting your computer. Many basic problems can be resolved easily and quickly this way. Press the Ctrl & Alt & Del keys on your keyboard together at the same time. This should bring up ... Can’t get on to the network, Internet, SIS? Check to see if anyone else around you is having a similar problem. If so, there may be a service network outage affecting a wider area than just you. Windows displays a blue screen during startup Windows may automatically restart after displaying a blue screen, as shown below. You may also get a Windows startup menu upon reboot. If you do, choose 'Start Windows Normally' and see if the problem... Printer Troubleshooting If your printer is not printing correctly, turn the printer off – then turn the computer off. Wait 15 seconds, turn the printer back on and then turn the computer on. Make sure if you have a shar... Windows does not start successfully or repeatedly displays a blue screen When you turn on the computer, press the F8 key on your keyboard repeatedly until you get a Windows startup menu. Choose to start Windows in 'Safe Mode'. If Windows boots up and you can login, restart... My computer doesn't power up Check that all the cables are securely plugged into the back of the machine and the monitor. Cannot login to Windows Check that Caps Lock/Num Lock isn't on by mistake. Check that your password is what you are expecting it to be Nothing appears on the monitor Make sure both the computer and monitor are on. Make sure the monitor is securely plugged into the computer. Ma Non-system disk or disk error at boot Remove any floppy disks, CD/DVD discs and USB memory sticks or external hard drives and try booting up again. If you can hear a repeated scraping or clunking noise, power off the computer as soon as p... Keyboard/mouse does not work Make sure the keyboard/mouse is firmly plugged into the back of the computer Try unplugging one or both, and then reinserting it into the back of the computer