By Eva Dou and Aries Poon 
 

TAIPEI--Taiwanese personal computer maker Acer Inc. (2353.TW) plans to offer fewer Microsoft Inc. (MSFT) products and more Chromebooks and Android-based mobile devices from now on, after slipping into a surprise net loss in the second quarter due to lower sales and rising expenses.

"We are trying to grow our non-Windows business as soon as possible," President Jim Wang told investors at a conference call. "Android is very popular in smartphones and dominant in tablets...I also see a new market there for Chromebooks."

Acer, the world's fourth-largest PC maker by shipments, has been hit particularly hard by the seismic shift in the industry from laptops toward mobile devices like smartphones and tablets. The company announced last year a makeover effort to attain a more high-end image, but the resulting increase in industrial design and marketing spending has made profitability challenging at a time when global demand for PCs is falling.

Mr. Wang said Android devices--including smartphones, tablets and Chromebooks--will likely contribute 10%-12% of Acer's revenue by the end of this year, and may grow up to 30% in 2014. The rest of revenue will come from devices running Windows operating system.

He didn't say how much revenue in the second quarter came from Android devices, but said that Chromebooks comprised close to 3% of Acer's shipments in the second quarter.

At the same call, Chairman J.T. Wang added, "the Windows camp has to do something to re-establish or reinforce confidence among PC users. People are reluctant (to buy) and are holding (off) their purchasing decisions."

Both the President and Chairman declined to say what kind and level of support Google Inc. (GOOG) and Microsoft are offering Acer for it to shift its portfolio-mix.

President Jim Wang also said, for the current quarter ending Sept. 30, Acer's mobile device shipments--including notebook PCs, tablets and smartphones--may register on-quarter growth of between zero and 5%.

"For the PC industry, I haven't seen light at the end of the tunnel," he said. "First, we have to sustain our market share and protect our bottom line...and by doing tablets and smartphones right, we can be prepared for the day after tomorrow."

Acer on Wednesday posted a net loss of 343 million New Taiwan dollars (US$11.4 million) for the second quarter, compared to a net profit of NT$56 million a year earlier. A median forecast of 16 analysts polled earlier by Thomson ONE Analytics was for a net profit of NT$206.07 million.

Revenue in the second quarter also slid, while operating margin was minus-0.7%, compared to 0.03% in the first quarter and 0.4% in the second quarter of 2012.

Write to Eva Dou at eva.dou@wsj.com

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