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Hard drive does not boot up, green light flashing on back, seems no power getting to hard drive?

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First u check wether ur hdd detect or not.u can check it from bios while booting press dell or f2 key (u can see on the screen which key have to use)to enter the bios and select stadard bios setup or disk drive specification on menu,if it detected u will see on the menu, again this problem remains may be the os prob.

Posted on Jul 02, 2008

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Posted on Jan 02, 2017

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Have a HP m7470n. The green power light in the back is constantly on. The power button flashes blue and orange (~3 seconds each). The computer wont turn on. When I unplug the cord and plug it back in, the...


In my case it turned out to be a weak power supply. It would work sometimes and not others. If stone cold, it would not boot. If I unplugged 1 thing, like the hard drive or the CD Roms, it would boot. Tested the old power suppy and it seemed to pass. But once I connected a new power supply, the computer has worked fine ever since.

Jan 08, 2011 | HP Pavilion m7470n (ER883AA) PC Desktop

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ABC diagnostic lights are green and D is yellow. Ram only works if slot 1 is used. If slot 1 and 3 are used Bios appears on the monitor with a flashing cursor. Dell dimension 8400


A,B,C green and D yellow is indicative of a component failure...in that the system cannot read a device it feels necessary to boot the machine such as a hard drive, floppy or cd/dvd drive. Power down the system, remove the power cord from the back, push the power button in for 10 seconds to bleed off the power. Remove and reseat all cables connecting the system devices. Remove all ram except for one stick and reboot. If you get boot, then try replacing the ram one stick at a time. If you still cannot boot though, try removing the cables from the devices and then plug in one a time until you get the machine to boot. If there is still a problem, the hard drive or its controller maybe the culprit.

Jun 14, 2010 | Dell Dimension 8400 PC Desktop

1 Answer

Screen will not come on hard drive light no light checked power supply is ok


Things to check:
  1. Power led on the front of the tower, it should be solid green when on. Flashing Amber is generally an indication of a bad power supply inside the tower
  2. Power LED Solid AMBER indicates system is not finishing the power on self test (POST) and you remove all connections from the tower except power and try turning on again. If no change, remove all PCI and PCI-E cards from system, try again, no change replace motherboard.
  3. On the back of the tower are 4 diagnostic LEDs near the ps2 ports marked ABCD, after the POST, during a normal boot the will flash in several sequences and with boot is finished all 4 should be green. If they stop an a different pattern, then that indicates a failure Yellow Yellow Green Green indicate bad RAM for example
  4. If the LEDs on front and back are Green then the system appears to be booting but the monitor display is not functional

Feb 05, 2010 | Dell Dimension 4600 PC Desktop

2 Answers

T2042 E-Machine Both the power button and the hard drive light keep flashing i also noticed the lights also flash they all flash fast but never boots. The power button is flashing green along with green...


Hi,
Disconnect the power cord from the back of the system. Press and hold down the power button for 10 seconds.
Disconnect everything from the back of the computer ,except keyboard, mouse and monitor.
Reconnect the power cord and then check

Thanks for using fixya
proton

Nov 07, 2009 | E-Machines eMachines Desktop PC

2 Answers

Maxtor personal storage 3200 - flashing green light.


Solution:
First, disconnect the power cable from the back of the external hard drive:
If the power supply LED continues to blink:
  1. Connect the power supply to a different outlet (or instead of connecting to a power strip, connect directly to an outlet in the wall).

  2. If the power supply continues to blink after changing outlets, this indicates that the power supply is defective and needs to be replaced.

  3. If the power supply stays solid, then reconnect to the external hard drive and see if the drive spins.

Jul 01, 2009 | Maxtor Personal Storage 3200 (U01E200) 200...

2 Answers

Can't boot up Dell 5100 Dimension, amber light flashes


When you mean the amber light, is that the blinking hard drive access light or the power light? Different cases have different colors on it. Mine has blue and green lights.

If you see the boot screen (bios) and then after it goes to boot, does it blink and hang?

This could be a simple operating system issue, hard drive or hardware/motherboard issue. If you could provide more information, that would help.

Jun 28, 2009 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Flashing orange and yellow lights


Most likely your battery is dead.
If you are worried about your HD , the best thing to do would be to power it off.
Remove the battery and see if it will boot on the AC adapter.
If it boots , just get a new battery.
If not you have a motherboard issue and need to call Acer if it is under warranty.

Apr 22, 2009 | Acer Aspire 5003WLMi Notebook

1 Answer

I have a Dell Dimension 4600 and it won't boot up. When I turn it on the green power light comes on and hard drive activity light flashes however no fans come on, the screen doesn't show the Dell logo or...


i would have to disagree with jerry, while that seems reasonable if the motherboard fan isn't running at all then whether or not the video card is ok is somewhat irrelevant.
I would agree somewhat though, i think the PSU might be a good thing to check to see if it is functional.
when you power it on does the CPU fan start or shudder at least ? that would be my first guess for a problem if you had been having any problems recently

Apr 17, 2009 | Dell Dimension 4600 PC Desktop

1 Answer

Pover up trouble


sounds like something is drawing down on your 12 volt supply drives or on board regulators. Try it without the drives connectged, and see if you can get the system to boot up(you'll just get a notice that your drives are unavailable, but you'll already know that, right?

got backup for your Dell?

Feb 15, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

34 Answers

Power Green Light Flashing HP Desk Top PC m7250n


During a power outage their is a surge when power come back on the grid (surge can be caused by lighting strikes akso). This surge trips the internal procters inside the power supply to protect the Mother Board, hard drive, processor and fans and any device that pulls wattage from the power supply. Since all these power using devices are trying to pull power at the same time to boot the computer back up one ends up with a loop of surge thrugh the power supply with a protective trip, reset, surge again and trip again. This will continue in this loop as the computer is trying to boot all the devices at one time (Mobo, Hd, processor, cooling fans and other devices). Simoly, more power wattage is being demanded than the protectors will allow at one time causing a protective shutdown followed by a restart followe by a protective shutdown in a continious loop.
The normall sequence for a boot is to boot the board, processor and fans followed by a boot of the hard drive, and other boot devices once the board is energised, NOT all devices at the same time, as this results in an overload and trips the protectors. This protective loop is indicated by the blinking light as the power is turned on and then shut down for protection as the wattage pull is over the demand that the protectors will allow.
Blinking light indictes you are in the protective loop.
SOLUTION: 1. Disconnect the Mother Board connector, with the computer unplugged, this will allow the power supply to reset at maximum wattage upon reboot.
2. Disconnect the Hard Drive power connector and ay boot device power supply cables, this will allow the Mother Board, processors and fans to boot without an overload of the protector inside the power supply.
3. Plug in the computer and the indicator light will be solid green indicating that it is reset and out of the loop.
4. With the computer pluged in and the Power Supply fully energised, plug in the Mother Board. The computer will now boot, and the processor fan will come on and the cooling fans.
5. After computer has rebooted, shut the computer back down and connect the Hard Drive power cable and any other power cablis that were unplugged.
6. Reboot with all cables connected and you are up and running again.

POWER SUPPLIES HAVE AN INDICATOR LIGHT FOR A REASON.
REMBER - BLINKING LIGHT IS AN OVERLOAD OF THE PROTECTORS AND ELLIMINATING THE OVERLOAD SOLVES THE PROBLEM AND THAT THE POWER SUPPLY IS WORKING AND CONVERTING POWER.
NO LIGHT MEANS NO POWER OUTPUT AND THAT INDICATES THE POWER SUPPLY IS NOT FUNCTIONING AND NEEDS REPLACED.

Hope this helps everone with power outages and lightining strikes. It is a rather common problem and can also occure when building a computer and one missmatches the power supply with the board wattage needs. If the board wattage needs are greater than the power supply output you will get stuck in a potective loop eventually. WHEN BUILDING A COMPUTER ALWAYS MAKE SURE THE POWER SUPPLY CAN PRODUCE MORE WATTAGE THAN YOU CAN CONSUME AT THE MAXAMUM LOAD.
Have a great computing experiense.

Jan 13, 2008 | HP Media Center m7250n (ED842AA) PC...

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