Strict Standards: Non-static method AL_HELPER::SetupPaths() should not be called statically in /home/software/public_html/guides/init.php on line 66

Strict Standards: Non-static method AL_CATEGORY::GetCategoryArray() should not be called statically in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 82

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.categories.php on line 41

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.article.php on line 273

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 332

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

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Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

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Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.blog.php on line 153

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.author.php on line 139

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.article.php on line 1038

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.article.php on line 1039

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/includes/classes/class.template.php on line 117

Deprecated: Function ereg_replace() is deprecated in /home/software/public_html/guides/includes/classes/class.template.php on line 243

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/PageHeader.php on line 86

Deprecated: Non-static method AL_HELPER::PageLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PageHeader.php on line 95

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 516

Deprecated: Function eregi() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/PageHeader.php on line 86

Deprecated: Non-static method AL_HELPER::PageLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PageHeader.php on line 95

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 516

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Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

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Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

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Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

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Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/RootArticleCategoriesPanel.php on line 77

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Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ViewArticlePanel.php on line 732

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::AuthorLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 522

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 485

Deprecated: Non-static method AL_HELPER::GetRelativeDate() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 515

Deprecated: Non-static method AL_HELPER::ShortDate() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 282

Deprecated: Non-static method AL_HELPER::GetCategoryListCVS() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ViewArticlePanel.php on line 77

Deprecated: Non-static method AL_HELPER::CategoryLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 302

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 604

Deprecated: Non-static method AL_HELPER::GetRatingBar() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ViewArticlePanel.php on line 78

Deprecated: Non-static method AL_HELPER::GetGlossaryTerms() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/includes/classes/class.article.php on line 637

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/ViewArticlePanel.php on line 360

Deprecated: Non-static method AL_HELPER::ContentHasComment() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ViewArticlePanel.php on line 547

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 60

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 60

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 63

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 63

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 68

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 68

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/ArticleOptionsPanel.php on line 81

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PopularArticlesPanel.php on line 98

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Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

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Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PopularArticlesPanel.php on line 98

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::ArticleLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PopularArticlesPanel.php on line 98

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::_MakeArticleURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 453

Deprecated: Non-static method AL_HELPER::_SwapLetters() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 419

Deprecated: Function eregi_replace() is deprecated in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 421

Deprecated: Non-static method AL_HELPER::AuthorLink() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/templates/Bright Light/Panels/PopularAuthorsPanel.php on line 79

Deprecated: Non-static method AL_HELPER::_MakeURLSafe() should not be called statically, assuming $this from incompatible context in /home/software/public_html/guides/admin/includes/classes/class.helper.php on line 485
There is a squealing / whistling / whining noise when the computer starts
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 »  Home  »  Troubleshooting Computer  »  There is a squealing / whistling / whining noise when the computer starts
There is a squealing / whistling / whining noise when the computer starts
Published  06/21/2011 | Troubleshooting Computer | Unrated
There is a squealing / whistling / whining noise when the computer starts

This could indicate either a problem with the fan, which has accumulated dirt over time, or one of the internal components of the PSU. Switch on the PC and listen carefully to confirm that it’s the PSU fan and not the CPU fan or the hard disk. Usually, the noise will stop once the fan picks up speed, and you can ignore it temporarily.

It’s a good idea, however, to clean out the dirt around the PSU fan using a PC vacuum. This will increase the working life of the PSU fan as well as the PSU itself. If the fan stops working, the PSU will generate heat and cause more trouble. So a little prevention will save you a lot of headaches later.

If the sound is not from the fan but from within the PSU itself, then you may be able to service it. A PSU has no ‘user-serviceable’ parts, and it’s best left to a competent technician, although in most cases of component failure, you will have to replace the PSU.

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