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Single hardware point of failure with the following symptoms?

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0

As a preface, I'm fairly confident this question has no easy answer, and it's certainly not straightforward. Turn back now if you're not interested in a bit of a mystery.

I have a Dell Inspiron 5552 with seemingly unrelated points of "failure". Here are a few of the symptoms

• 70% of boots cut power before reaching the Dell BIOS splash


• Ungodly speaker beeps (7 of them in a group, I believe) forced me to unplug the built-in speakers


• Pre-boot System Assessment returns error 2000-0322 (LCD inverter / brightness error)


• In BIOS settings, AC adapter alternates every few seconds between 45 W (correct), unknown, 255 W, and "Not a Dell charger"


• Similarly, battery alternates between "Functioning normally", "Not a Dell battery", "Not detected", "Temporarily disabled... [due to high temperature]", and "Permanent failure"


• Power light blinks white and yellow (obviously related to the other power issues)


• Keyboard doesn't work but trackpad does

When I booted to Windows (miracle!!!) after 20 minutes of boot looping and other weirdness, the battery charges, the backlight works fine, but the System page reads "Processor: (0 processors)", which is fascinating. The Settings System Info panel reads 4GB of RAM, but the Control Panel System info (same information presented in different format) says "Installed Memory: Not available".

This computer failed after about 1 year of light usage. Maybe 3 hours a day, 4 days a week on average, with some light traveling in a bookbag. I would guess that there is just one failure on the motherboard, but I can't figure out what sort of failure would cause such a wide range of symptoms, and "fail" so inconsistently as to have everything from "can't even get to bios splash" to "full windows boot". Anyone have any ideas? I'd like to restore it, since it's technically not that old, but I don't know what sort of issue to look for.

Edit: After powering down Windows, I consistently get a prompt for system or administrative password which I most certainly don't have and never set (looks like primitive Dell debugging or something). On the bright side, the keyboard works again!

motherboard dell-inspiron

share

edited 49 secs ago

Sllew

asked 7 mins ago

SllewSllew

63

add a comment | 

0

As a preface, I'm fairly confident this question has no easy answer, and it's certainly not straightforward. Turn back now if you're not interested in a bit of a mystery.

I have a Dell Inspiron 5552 with seemingly unrelated points of "failure". Here are a few of the symptoms

• 70% of boots cut power before reaching the Dell BIOS splash


• Ungodly speaker beeps (7 of them in a group, I believe) forced me to unplug the built-in speakers


• Pre-boot System Assessment returns error 2000-0322 (LCD inverter / brightness error)


• In BIOS settings, AC adapter alternates every few seconds between 45 W (correct), unknown, 255 W, and "Not a Dell charger"


• Similarly, battery alternates between "Functioning normally", "Not a Dell battery", "Not detected", "Temporarily disabled... [due to high temperature]", and "Permanent failure"


• Power light blinks white and yellow (obviously related to the other power issues)


• Keyboard doesn't work but trackpad does

When I booted to Windows (miracle!!!) after 20 minutes of boot looping and other weirdness, the battery charges, the backlight works fine, but the System page reads "Processor: (0 processors)", which is fascinating. The Settings System Info panel reads 4GB of RAM, but the Control Panel System info (same information presented in different format) says "Installed Memory: Not available".

This computer failed after about 1 year of light usage. Maybe 3 hours a day, 4 days a week on average, with some light traveling in a bookbag. I would guess that there is just one failure on the motherboard, but I can't figure out what sort of failure would cause such a wide range of symptoms, and "fail" so inconsistently as to have everything from "can't even get to bios splash" to "full windows boot". Anyone have any ideas? I'd like to restore it, since it's technically not that old, but I don't know what sort of issue to look for.

Edit: After powering down Windows, I consistently get a prompt for system or administrative password which I most certainly don't have and never set (looks like primitive Dell debugging or something). On the bright side, the keyboard works again!

motherboard dell-inspiron

share

edited 49 secs ago

Sllew

asked 7 mins ago

SllewSllew

63

add a comment | 

As a preface, I'm fairly confident this question has no easy answer, and it's certainly not straightforward. Turn back now if you're not interested in a bit of a mystery.

I have a Dell Inspiron 5552 with seemingly unrelated points of "failure". Here are a few of the symptoms

• 70% of boots cut power before reaching the Dell BIOS splash


• Ungodly speaker beeps (7 of them in a group, I believe) forced me to unplug the built-in speakers


• Pre-boot System Assessment returns error 2000-0322 (LCD inverter / brightness error)


• In BIOS settings, AC adapter alternates every few seconds between 45 W (correct), unknown, 255 W, and "Not a Dell charger"


• Similarly, battery alternates between "Functioning normally", "Not a Dell battery", "Not detected", "Temporarily disabled... [due to high temperature]", and "Permanent failure"


• Power light blinks white and yellow (obviously related to the other power issues)


• Keyboard doesn't work but trackpad does

When I booted to Windows (miracle!!!) after 20 minutes of boot looping and other weirdness, the battery charges, the backlight works fine, but the System page reads "Processor: (0 processors)", which is fascinating. The Settings System Info panel reads 4GB of RAM, but the Control Panel System info (same information presented in different format) says "Installed Memory: Not available".

This computer failed after about 1 year of light usage. Maybe 3 hours a day, 4 days a week on average, with some light traveling in a bookbag. I would guess that there is just one failure on the motherboard, but I can't figure out what sort of failure would cause such a wide range of symptoms, and "fail" so inconsistently as to have everything from "can't even get to bios splash" to "full windows boot". Anyone have any ideas? I'd like to restore it, since it's technically not that old, but I don't know what sort of issue to look for.

Edit: After powering down Windows, I consistently get a prompt for system or administrative password which I most certainly don't have and never set (looks like primitive Dell debugging or something). On the bright side, the keyboard works again!

motherboard dell-inspiron

share

edited 49 secs ago

Sllew

asked 7 mins ago

SllewSllew

63

share

edited 49 secs ago

Sllew

asked 7 mins ago

SllewSllew

63

share

edited 49 secs ago

Sllew

asked 7 mins ago

SllewSllew

63

asked 7 mins ago

SllewSllew

63

asked 7 mins ago

SllewSllew

63