Virus or Hard Drive issues?

I am using a Gateway laptop which came with Windows 7. Over the past few months I have been having a problem with +, 9, and / signs appearing where ever a textbox is available. I cannot make the signs stop, when I delete them they are immediately replaced. Alternatively, when I start up my laptop it is accompanied by a loud beeping noise which will not stop unless I'm in certain screens, I assume screens where the keyboard is disabled.

Though I had issue with the laptop, I managed to install Ubuntu, a dual boot, essentially and though I will get random signs appearing on this OS, I can stop them. Once I stop them, they do not return.

Recently I wiped my laptop, losing Ubuntu and reinstalled Win7, but the problem remained, making my laptop completely inaccessible until I reinstalled Ubuntu.

When I wiped it, there was always at least one partition which I could not format and one was always automatically created.

Does this sound like a Virus or a Hard Drive issue to you? what steps can be taken to solve the issue?

Please note:

I uninstalled the keyboard, am using a usb one as the one that came with my laptop ceased to function, and I went for a month or so without a firewall.

Unfortunately I cannot access Windows to run it. I did have Kapersky on it, after the problem started and it turned up nothing.

It doesn't help. When the Windows login screen comes up the password box immediately fills with + signs.

are you using a external mouse or keyboard

An external keyboard and the touchpad.

No, is there another option to fixing it?

I had an issue last year with the ++++ - try unplugging it. If it is a microsoft keyboard.

My issue was that i had a microsoft wireless key board and mouse. Windows would update the driver and it sent the machine into fits until they where unplugged.

good luck