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power spike or surge damage


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#1
bethmegkate

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I leave my computer on all the time. Two nights ago the power went off. It returned for good after a very brief return was aborted. The next morning the screen was dark. I shut off the computer and restarted it. There was a two second Dell logo appearance on the monitor and then the monitor became black except for a flashing, short horizontal line in the upper left corner. This situation has remained. What are the most likely possibilites for the specific damage. A Dell technician said the operating system was corrupted and had to be replaced. But what about the possibiity of hardware damage? Thanks, Richard
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#2
gerryf

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far greater than OS corruption if your description is accurate.

The dell logo will appear when the monitor is turned on, before it gets a signal, so i would sat the monitor is probably ok.

What other symptoms appear as the PC is powered up?

Noise? Lights? Drive activity?
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#3
bethmegkate

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far greater than OS corruption if your description is accurate.

The dell logo will appear when the monitor is turned on, before it gets a signal, so i would sat the monitor is probably ok.

What other symptoms appear as the PC is powered up?

Noise? Lights? Drive activity?


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#4
bethmegkate

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far greater than OS corruption if your description is accurate.

The dell logo will appear when the monitor is turned on, before it gets a signal, so i would sat the monitor is probably ok.

What other symptoms appear as the PC is powered up?

Noise? Lights? Drive activity?


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#5
bethmegkate

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Thank you. When the power button is pushed the Dell logo appears on the monitor for about two seconds. Then the screen becomes black except for flashing, short white horizontal line in upper left corner of screen. No noise or other appearances on the monitor.
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#6
bethmegkate

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F2 and F12 work. The arrow keys and (enter) work on the F2 and F12 screens. No lights
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#7
gerryf

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what of noise and lights on the PC case (where the harddrive, cpu, memory is)

juts so we'r clear, the f2 and f12 keys get you into system setup? Blusescreen with white writing?

ANd arrow keys work?
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#8
bethmegkate

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Thank you. When the power button is pressed, the fan noise comes on. The green light behind the power button is steady. There is no hard disk light(next to the power button). The four green lights on the back(ABCD are all green. There is an occasonal burp or hiccup from the tower(not often).

f12 BRINGS WHITE WRITING ON GRAY BACKGROUND. tHE ARROW KEYS OF THE KEYBOARD WORK. tHE (ENTER) WORKS WITH SOME of the choices, but not most of them. Pushing the F12 button when the Dell logo comes on causes a beep from the keyboard.

F2 brings white writing on a gray background(Dell computer). The date and time are correct and the seconds tick off. The CPU(no. 11) responds to <enter> and reads "normal speed." The escape button works.
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#9
gerryf

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I am inclined to harddrive failure, but let's see something.

Start the PC and when you see the DELL Logo, tap the f8 key once a second...do you get a text based menu allowing safe mode?
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#10
bethmegkate

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Thanks. When the F8 key is pressed during Dell logo, the message appears: "Keyboard failure. Strike the F1 key to continue, F2 to run the setup utility." However, there is no response to the F1 key.

In F2, #3, "hard drive", pressing <enter> also gets the "keyboard failure" message.
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#11
The Skeptic

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A sudden power surge can affect both hardware and software. I think that one of the first steps should be BIOS reset to make sure that no corrupted values exist in Bios memory. To do that you have to unplug the computer from the wall socket and open the box. if you have a user manual you should find there how to reset the BIOS by using a jumper located near the battery. If you don't know where this jumper is, pull out carefully the round silvery battery (make sure not to break the holder!). Keep it out of the computer for about 15 minutes, reinstall, connect the power and start the computer. You will have to reset day and time.
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