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 Do I have a dead motherboard? No beep, no BIOS screen. Forum Desktop hangs at blue HP startup screen Forum Magical gaming-productivity desktop computer machine Forum HP desktop not booting at all Forum Mobo only powers up without the 4pin cpu power plugged in Forum A7N8X-E Memory Question / Blue Screens of Death Forum Blue Screen O' Death Stop error...computer won't start up Forum Desktop PC will not power up Forum Power Supply change to run Sapphire Radeon "Toxic" HD 5850 Forum Was just gifted a desktop --can I sexy it up ? Forum Suggest a desktop configuration for a heavy multitasker Forum BEST Power Supply on the market??? Forum My win7 core 2 duo pc always restart or freeze on a blue screen with random erro Forum C-Macc's 2 The revenge (Wip) Forum Help M5A88-V EVO Desktop Motherboard won;t boot up Forum Power supply buzzing, please help! Forum Laptops admin passwords Forum More resources Read discussions in other Computer Brands categories Compaq Dell Gateway Hewlett Packard Packard Bell Apple eMachines !