For Dell, a $24.4 billion deal to take itself private is a bold move out of Wall Street’s spotlight as it tries to remake itself in a world where personal computers are no longer the big business in technology.

Yet the buyout — which was announced Tuesday and would be the biggest by far since the days of the recession — is a huge gamble. It will saddle Dell with $15 billion of new debt, and it does nothing to divert the forces reshaping the technology industry and undercutting the company’s business.