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Please help! no boot no screen display .

Last response: in Motherboards
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December 19, 2010 11:55:37 PM

ok first sorry for my bad english i will try to do my best
this is my rig


-ASUS Maximus III Formula LGA 1156 Intel P55 ATX Intel Motherboard

-G.SKILL 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1333 (PC3 10666) Triple Channel Kit Desktop Memory Model F3-10666CL9T-6GBNQSATA

-Western Digital Caviar Blue WD10EALS 1TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive

-CORSAIR CMPSU-650TX 650W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power Supply

-ASUS Black 24X DVD+R 8X DVD+RW 12X DVD+R DL 24X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2MB Cache 24X DVD Burner - Bulk - OEM


-Intel Core i5-750 Lynnfield 2.66GHz 8MB L3 Cache LGA 1156 95W Quad-Core Processor BX80605I5750

-XFX HD-585X-ZAFC Radeon HD 5850 1GB 256-bit GDDR5 PCI Express 2.1 x16 HDCP Ready CrossFireX Support Video Card w/ Eyefinity


Ok i bought all this things in newegg.com and a friend of mine did the installation of all the hardware . my problem is that this pc sometimes beeps (just one beep) and sometimes doesnt beep at all .whenever it beeps ,the computer runs normally , but when i try to install the video card drivers, i get error windows pop ups and then windows freezes and i have to reinstall windows (windows 7 64x ultimate) again.

also whenever i have managed to turn on the computer i can only do so in that place . if i do ANY movements to the computer then it wont beep any more ; i cant move it to another place i cant replace the top of the tower i cant do any thing to the pc becouse 90% of the times it wont start .


i have also got a blue screen out the blue ,however , when i remove one of the memory sticks i dont get that blue screen again .

could you please advice me? i have no idea what is going on . do you think this is due to compatibility problems or do you think is the power supply ,

i spent alot of money on this computer and i really appreciate your help

More about : boot screen display

a b V Motherboard
December 20, 2010 12:12:03 AM

Ok how could you possibly get a blue screen or pop up errors if you don't get any boot or display?? That's what your title says, "Please help! no boot no screen display" ????

Please describe the actual problem and maybe we can help.





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December 20, 2010 12:27:16 AM

geekapproved said:
Ok how could you possibly get a blue screen or pop up errors if you don't get any boot or display?? That's what your title says, "Please help! no boot no screen display" ????

Please describe the actual problem and maybe we can help.


sorry i will try to explain it better ... 90% of the time the pc doesnt boot and i dont get any screen display that is my mayor problem

now 10% of the time the computer boots and thats when i get those pop ups errors ,when i try to install the video card drivers. i get the blue screen if i have 3 of the memory sticks ,with 2 of them it dont get that blue screen

.thank you for the quick response
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a c 151 V Motherboard
December 20, 2010 2:38:13 AM

if you remove one of the memory and the pc start correctly looks like a dead memory stick
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December 20, 2010 6:00:46 AM

scout_03 said:
if you remove one of the memory and the pc start correctly looks like a dead memory stick


hi , nope when i remove one of the memory stick windows dont show anymore the blue screen.
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a b V Motherboard
December 20, 2010 2:15:50 PM

juanmanuelduke said:
hi , nope when i remove one of the memory stick windows dont show anymore the blue screen.


Well you don't want a blue screen, so that's good, sounds like that stick of memory was bad.

Have you manually set the ram voltage to what the ram is rated for?
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a c 156 V Motherboard
December 21, 2010 10:55:07 AM

Work through our standard checklist and troubleshooting thread:
http://www.tomshardware.com/forum/261145-31-read-postin...
I mean work through, not just read over it. We spent a lot of time on this. It should find most of the problems.

If not, continue.

I have tested the following beep patterns on Gigabyte, eVGA, and ECS motherboards. Other BIOS' may be different.

Breadboard - that will help isolate any kind of case problem you might have.
http://www.tomshardware.com/forum/262730-31-breadboardi...

Breadboard with just motherboard, CPU & HSF, case speaker, and PSU.

Make sure you plug the CPU power cable in. The system will not boot without it.

I always breadboard a new build. It takes only a few minutes, and you know you are putting good parts in the case once you are finished.

You can turn on the PC by momentarily shorting the two pins that the case power switch goes to. You should hear a series of long, single beeps indicating memory problems. Silence indicates a problem with (in most likely order) the PSU, motherboard, or CPU. Remember, at this time, you do not have a graphics card installed so the load on your PSU will be reduced.

If no beeps:
Running fans and drives and motherboard LED's do not necessarily indicate a good PSU. In the absence of a single short beep, they also do not indicate that the system is booting.

At this point, you can sort of check the PSU. Try to borrow a known good PSU of around 550 - 600 watts. That will power just about any system with a single GPU. If you cannot do that, use a DMM to measure the voltages. Measure between the colored wires and either chassis ground or the black wires. Yellow wires should be 12 volts. Red wires: +5 volts, orange wires: +3.3 volts, blue wire : -12 volts, violet wire: 5 volts always on. Tolerances are +/- 5% except for the -12 volts which is +/- 10%.

The gray wire is really important. It should go from 0 to +5 volts when you turn the PSU on with the case switch. CPU needs this signal to boot.

You can turn on the PSU by completely disconnecting the PSU and using a paperclip or jumper wire to short the green wire to one of the neighboring black wires.
http://www.youtube.com/watch?v=5FWXgQSokF4&feature=yout...

A way that might be easier is to use the main power plug. Working from the back of the plug where the wires come out, use a bare paperclip to short between the green wire and one of the neighboring black wires. That will do the same thing with an installed PSU. It is also an easy way to bypass a questionable case power switch.

This checks the PSU under no load conditions, so it is not completely reliable. But if it can not pass this, it is dead. Then repeat the checks with the PSU plugged into the computer to put a load on the PSU.

If the system beeps:
If it looks like the PSU is good, install a memory stick. Boot. Beep pattern should change to one long and several short beeps indicating a missing graphics card.

Silence or long single beeps indicate a problem with the memory.

Insert the video card and connect any necessary PCIe power connectors. Boot. At this point, the system should POST successfully (a single short beep). Notice that you do not need keyboard, mouse, monitor, or drives to successfully POST.
At this point, if the system doesn't work, it's either the video card or an inadequate PSU. Or rarely - the motherboard's PCIe interface.

Now start connecting the rest of the devices starting with the monitor, then keyboard and mouse, then the rest of the devices, testing after each step. It's possible that you can pass the POST with a defective video card. The POST routines can only check the video interface. It cannot check the internal parts of the video card.
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