No, not even in safe mode. All I can do is hit the F2 key fast, and I do get access to some settings, but cannot find switch for safe mode on it. I can switch to boot from CD instead of hard drive, but even doing that does not induce it to start up properly.
Given that Avast alerted to the trojan on the memory stick, I am puzzled that it did not do so for the actual laptop itself. I am not very familiar with the laptop software versions & set up, as it belongs to my partner. He does not use it for internet access at all, so we think if it is a trojan it came from his work. It turns out that a lab he uses sometimes does not have any anti-virus software as "No need, we are not connected to the internet or the network". Yet people are in and out all day, popping their memory sticks into the computer .....