Hewlett-Packard says it will take a massive charge against its earnings for the latest quarter, leading to a record loss of nearly $US9 billion ($A8.6 billion).
The charge is the result of a writedown of the value of its services business, reflecting that the company overpaid when it bought Electronic Data Systems in 2008 for $US14 billion.
HP said it will take an $US8 billion charge for the reduced value of Enterprise Services in the quarter that ended in July. The division, which provides information technology and outsourcing services to corporations, has seen flat revenue for the last two years, and its operating profit has declined.
The company said the charge and other accounting adjustments will lead to a loss of $US4.31 to $US4.49 per share. That works out to about $US8.5 billion to $US8.9 billion.
In the past 15 years, HP has only posted one quarterly loss.
The charge comes as CEO Meg Whitman is trying to turn HP around.
The company's main businesses, PCs, services and printers, are stagnant or shrinking.
Whitman, the former CEO of eBay, took over in September.
It also said its early retirement program is meeting with unexpectedly high acceptance, meaning it will take a charge of $US1.5 billion to $US1.7 billion for severance payments in the third quarter, rather than the $US1 billion it expected.
The restructuring, announced in May, is expected to slash 27,000 jobs, or eight per cent of HP's work force, by 2014. It's the largest downsizing in the company's history.
Excluding charges, HP said it expects to report fiscal third-quarter earnings of $US1 per share, up from a previous range of 94 cents to 97 cents. Analysts expected earnings of 97 cents per share, according to a poll by FactSet.
The computer company also said the head of Enterprise Services, its second-largest division, is leaving "to pursue other interests".
John Visentin will be replaced on an interim basis by Mike Nefkens, currently the head of Enterprise Services in Europe, the Middle East and Africa.
HP appointed Visentin to head Enterprise Services last August, after leading the Americas division. Before that, he worked at IBM.
HP is set to report third-quarter financial results on August 22.
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