HO a6600F desktop, changed power supply, only booting up to blue HP screen.has a Tags: Hewlett Packard Power Supplies Desktops Computers Last response: September 13, 2011 1:34 AM in Computer Brands Share cmward September 7, 2011 3:48:16 PM Changed power supply on HP a6600f desktop. Now ill only boot to blue HP screen with four options. Cannot access anything More about : a6600f desktop changed power supply booting blue screen Ubrales a b ) Power supply September 13, 2011 1:34:37 AM Welcome to Tom's Hardware Forums! Is the new PSU a good working PSU? If so, check the 24-pins connector and the 4-pins/8-pins connector and make sure that these are mated well and the latches engaged. Check RAM too. Can't find your answer ? Ask ! Publish Related resources: ForumDo I have a dead motherboard? No beep, no BIOS screen. ForumDesktop hangs at blue HP startup screen ForumMagical gaming-productivity desktop computer machine ForumHP desktop not booting at all ForumMobo only powers up without the 4pin cpu power plugged in ForumA7N8X-E Memory Question / Blue Screens of Death ForumBlue Screen O' Death Stop error...computer won't start up ForumDesktop PC will not power up ForumPower Supply change to run Sapphire Radeon "Toxic" HD 5850 ForumWas just gifted a desktop --can I sexy it up ? ForumSuggest a desktop configuration for a heavy multitasker ForumBEST Power Supply on the market??? ForumMy win7 core 2 duo pc always restart or freeze on a blue screen with random erro ForumC-Macc's 2 The revenge (Wip) ForumHelp M5A88-V EVO Desktop Motherboard won;t boot up ForumPower supply buzzing, please help! ForumLaptops admin passwords More resources Read discussions in other Computer Brands categories Compaq Dell Gateway Hewlett Packard Packard Bell Apple eMachines !