The former Norwich City boss lost his first game in charge at Villa Park as his side were completely dominated by an impressive Everton team, who ran out 3-1 winners on Saturday.
The Scot is hoping to now bring in some players to breathe new life into a Villa team who are looking to avoid a repeat of last season's battle against relegation.
|VILLA 1-3 EVERTON REACTION
|7/1||Aston Villa are 7/1 with Bet365 to lose 2-0 to Newcastle
"It's not a quick fix, I know that myself, but it's something where you don't want to be left behind, you want to try and win as many games as you can."
Lambert is set to meet chairman Randy Lerner and chief executive Paul Faulkner to discuss possible targets as he aims to complete his squad before Friday's transfer deadline.
"We have to start to win – that's first and foremost, whether you have the players or not," the 43-year-old observed. "The chairman and Paul and myself will have a conversation and we'll see what happens.
"I've got ideas in my head. If something becomes available and I think it's worthwhile, then we can look at it."