1. Sometimes when I hit Ctrl-W (to close a tab in Google Chrome), the command is triggered multiple times (so 2 or more tabs are closed).
2. Sometimes when I have a text field selected and I hold down W (or some other keys), the letter only appears once, instead of appearing over and over again. This problem is intermittant, the problem went away after a few seconds without me changing any settings or doing anything except pressing letter keys on the keyboard.
3. Once, when I entered the BIOS setting by holding down F1 as the computer started up, the computer beeped constantly while I was in the BIOS screens. Next time I went to the BIOS settings, this problem did not occur. This makes me suspect that I have a hardware problem (because Windows was not running, the problem cannot be a Windows driver problem)
4. If I type too quickly, they keyboard sometimes beeps as if I was holding down several keys at the same time. (For example, holding down D,F,G causes a beep. This is normal. But typing D, then F, then G rapidly also causes a beep.)
5. I had problems with the touchpad sometimes not responding to touches. However after setting PalmCheck to minimum in Mouse -> UltraNav -> Touchpad Settings... -> Smartcheck -> PalmCheck, I have not come across this problem again. I also changed some other settings so I'm not 100% what fixed this, or if it is permanently fixed.
The laptop is new but I have changed some settings and have uninstalled some of the applications that came pre-installed.
Are there any known solutions or workarounds for these issues? The first issue is the most important one; I only included the others in case they are related.