Question about Lenovo 3000 N100 0768 - Pentium Dual Core T2060 1.6 GHz - 15.4in. TFT PC Desktop

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Gone in 60 seconds

Unit will power up and boot to OS. After 60 seconds it shuts down hard. This happens at normal boot, safe mode and on the bios setup screen. When first plugged in, the battery indicator will flash red/orange exactly 53 times, then it stops. Battery will not charge. I am neither an expert or novice. I believe it to be a bad power supply as I can hear an irregular hum from the supply. It sounds like a whiny intermittent sizzle (for lack of a better word), but not the bad blue smoke sizzle.......No odor either. Any suggestions would be much appreciated!!

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  • cpsnc Jul 22, 2008

    Edit: This also happens with the battery out.

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  • 221 Answers

Seems to be a problem with your power supply. Contact your manufacturer for a new one. It won't be expensive

Posted on Aug 06, 2008

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Reboot and run in safe mode in windows 7,Vista,XP or 2000


Insert the CD then reboot. While the system is booting, hit the F12 key to access the boot menu (this could be a different key depending on your system.
1.) Click the "Start" button from the taskbar. Select the "Turn off computer" option if you are running a Windows OS Operating System before Windows Vista, or select the right arrow in Vista. Select the "Restart" option
2.) Press and hold the Ctrl+Alt+Del keys simultaneously. Do it again. This will reboot the computer
3.) Shut down the computer. Sometimes the computer will not respond to a reboot. Maybe the keys are temporarily disabled or the system has chosen to completely ignore you. In these rare cases, it may be better to shut the computer off using the power button. If you do shut off the computer, press and hold the power button for 3 to 5 seconds. Then be sure to wait a minimum of 45 seconds before turning it back on. This allows the capacitors in the computer time to discharge, which allows the memory (not the hard drive) to do a full dump of data. This allows a cleaner restart when you turn the computer back on.
4.)Disconnect the power cord. Do this as a last resort. Unsaved data may not be retrievable with this option, but sometimes it is the only option. Reconnect the power cord. Turn the computer on. else Insert the CD then reboot. While the system is booting, hit the F12 key to access the boot menu (this could be a different key depending on your system. If you have a problem with your hardware configuration or your computer's display drivers that prevents Windows from loading normally, you may be able to resolve the problem by booting into Safe Mode and changing the relevant settings. To enter Safe Mode in Windows 7, Vista, XP, or 2000:

Note: If you have more than one partition installed, you may need to select an operating system and press Enter before entering Safe Mode.
Turn on or restart your computer.
After the memory test, the words "Starting Windows" will appear on a black background. When this happens, press and hold the F8 key. This will present a screen with the following options to choose from. The exact moment that F8 is pressed will determine the contents of the list, and the list may vary from computer to computer. For example, your computer may not do a memory test or it may have a SCSI BIOS to load in addition to the motherboard's BIOS. If you have trouble getting the list below to appear, restart the computer and then press F8 repeatedly while the computer is starting.
Safe Mode: Boots Windows with only the basic drivers needed to load the operating system. Uses basic drivers for mouse, keyboard, display (VGA), mass storage, and default system services and drivers, with no network components. In Windows 2000, a log file will be created to track the progress of the system boot, which is located in the Windows 2000 folder.
Safe Mode with Networking: Loads the Safe Mode configuration, but also enables network devices and services. In Windows 2000, a log file will be created to track the progress of the system boot, which is located in the Windows 2000 folder.
Safe Mode with Command Prompt: Loads Windows in Safe Mode, and, after logging in, opens a command prompt instead of the normal desktop. In Windows 2000, a log file will be created to track the progress of the system boot, which is located in the Windows 2000 folder.Note: You should try booting to the command prompt only if you feel comfortable operating within the DOS environment.
Enable Boot Logging: Boots Windows with all of the normal files and drivers, but writes their status to a log file at each step. In Windows 2000, this log file is located in the Windows 2000 folder and is named ntbtlog.txt.
Enable VGA Mode: Boots Windows using a plain VGA 16-color 640x480 display driver for the highest level of compatibility with video cards. In Windows 7 and Vista, this mode is called Enable Low-Resolution Video. It is otherwise identical.
Last Known Good Configuration: Boots Windows using the last registry configuration that is known to work. This is a way of undoing problems created by installing incorrect drivers or possibly by registry corruption. It will not, however, fix problems caused by corrupted or missing files.
Use the arrow keys to move up or down this menu to make your selection, and then press Enter. If you need to update software or access the Internet while in Safe Mode, select "Safe Mode with Networking".

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My gateway desktop model gt5026e shuts down/reboots automatically. i cleaned the cooling fans and made sure they were working properly but it still reboots at random,


To isolate the issue, try to boot to the BIOS screen by tapping on F2 on boot. If it goes to the BIOS and does not restart, you have good hardware components. If the issue is still eminent in the BIOS, then you have a problem with your processor. You need to have it replaced.
If it is not hardware, we need to further isolate. Boot to Safe Mode by tapping on F8 on boot. Choose either safe mode or safe mode with networking.
No issues on safe mode: then the problem is with the advanced software. Try to remember when the issue started. Restore your computer setting to previous date before the issue started. (start > Programs > Accessories > System Tools > System Restore). Once you have booted to normal mode, do not forget to update your security software and scan your system.
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There are a myriad of problems that could have resulted in this.
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2. Memory has gone bad
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Possible solutions:
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Safe Mode with Command Prompt

Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
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Debugging Mode

Start Windows Normally
Reboot
Return to OS Choices Menu

Use the up and down arrow keys to move the highlight to your choice.

See if you can get in safe mode. IF NOT – repeat these steps, and instead of clicking on Safe Mode – Click on “Last Known Good Configuration”
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Insert your recovery CD and see if you can boot up to that.
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1. A virus has shut down your system
2. Memory has gone bad
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Possible solutions:
1. When it is coming up – hit F8 (over and over again) till the menu comes up :

Windows Advanced Options Menu
Please select an option:

Safe Mode
Safe Mode with Networking
Safe Mode with Command Prompt

Enable Boot Logging
Enable VGA mode
Last Known Good Configuration (your most recent settings that worked)
Directory Services Restore Mode (Windows domain controllers only)
Debugging Mode

Start Windows Normally
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Use the up and down arrow keys to move the highlight to your choice.

See if you can get in safe mode. IF NOT – repeat these steps, and instead of clicking on Safe Mode – Click on “Last Known Good Configuration”
IF THAT does not work:
Insert your recovery CD and see if you can boot up to that.
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