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I5 + P7PD55 did not come back from standby

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May 5, 2010 1:50:55 PM

I am experiencing a problem with my relatively new system. I built this system in November of last year (09).

1 x NZXT Apollo Black SECC Steel Chassis ATX Mid Tower Computer Case
1 x ASUS P7P55D LGA 1156 Intel P55 ATX Intel Motherboard
1 x XFX HD-487A-ZWFC Radeon HD 4870 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFireX Support Video Card
1 x CORSAIR CMPSU-620HX 620W ATX12V v2.2 and EPS12V 2.91 SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC Compatible with Core i7 Power Supply
1 x Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor Model BX80605I5750
1 x G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Desktop Memory Model F3-12800CL9D-4GBRL
1 x Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive
1 x SAMSUNG Black 22X DVD Burner Black SATA Model SH-S223B - OEM
1 x Microsoft Windows 7 Professional 64-bit 1-Pac

System worked beautifully until last night. I had pc on in standby power mode (as I often do). WHen I tried to wake-up system it did not come back. Red CPU LED stays on constantly (even after rebooting) which points two one of two problems , either the CPU or the motherboard.

Tried to switch the 12V connector to MB from the 4 pins to 8 pins but nothing.


ANy suggestion before I go through with the painful decision of changing MB and/or CPU? (They should both still be under warranty, both are retail from Newegg)


Thank for any help I can get

Luc

More about : p7pd55 back standby

July 10, 2010 4:06:19 PM

Hi Luc,
have you solved the problem? I do have the same issue (sometimes only) with my p7q57...
regards
July 17, 2010 5:14:49 PM

I did solve the problem, or better I have a temporary fix that works. If you reset the CMOS on the MB the problem goes away. However I am still investigating what is going on, because the problem presented itself about two months later. It must be something related to the MB, but I have not found a permanent fix yet. Anyway resetting the CMOS should work.

Good luck
!