Recovering an Unresponsive Laptop - Revision history

Jhoger: /* Clear the RAM File System */

2013-09-25T21:48:18Z

Clear the RAM File System

← Older revision		Revision as of 14:48, 25 September 2013
Line 19:		Line 19:
	# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you use good AA's or the wallcube at this point.		# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you use good AA's or the wallcube at this point.
	# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.		# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.
	# Turn the memory power switch back on		# Turn the memory power switch back on, reinstall the AA batteries and/or connect the power cable
	# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM		# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM

Jhoger: /* Clear the RAM File System */

2013-09-25T21:45:37Z

Clear the RAM File System

← Older revision		Revision as of 14:45, 25 September 2013
Line 19:		Line 19:
	# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you use good AA's or the wallcube at this point.		# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you use good AA's or the wallcube at this point.
	# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.		# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.
			# Turn the memory power switch back on
	# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM		# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM

Jhoger: /* Clear the RAM File System */

2012-04-02T20:31:08Z

Clear the RAM File System

← Older revision		Revision as of 13:31, 2 April 2012
Line 17:		Line 17:
	more serious troubleshooting.		more serious troubleshooting.

	# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you ~~have~~ AA's in at this point.		# Leave the laptop plugged in to the wallcube overnight with Memory Power switch on, and the power off. I don't think it matters whether you use good AA's or the wallcube at this point.
	# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.		# Let the unit sit with the Memory Power button off and no plug or other cables connected or batteries in the battery compartment for about 15 minutes in order to clear the RAM.
	# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM		# With the power-button ON, hold down Ctrl-shift-break simultaneously, and hit reset button to clear the RAM

Jhoger: /* Check the Display */

2012-04-02T20:28:35Z

Check the Display

← Older revision		Revision as of 13:28, 2 April 2012
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	If it doesn't work you could have multiple problems, including a bad display, bad keyboard, or a problem with the mainboard.		If it doesn't work you could have multiple problems, including a bad display, bad keyboard, or a problem with the mainboard.

	If none of the steps above lead you to a resolution, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]		== Otherwise ==

			If none of the steps above lead you to a resolution, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List] )

	[[Category:Model T Hardware Hacking]]		[[Category:Model T Hardware Hacking]]

Jhoger: /* Check the Display */

2012-04-02T20:27:48Z

Check the Display

← Older revision		Revision as of 13:27, 2 April 2012
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	# Hit the Enter key		# Hit the Enter key
	# Type "beep" (without quotes) and hit Enter again		# Type "beep" (without quotes) and hit Enter again
	The machine will make a beep sound if it is actually working (meaning it has a bad LCD or bad LCD connection).		The machine will make a beep sound if it is actually working (meaning it has a bad LCD or bad LCD connection). Your recourse at this stage is to find a replacement display. Club100 or another community member may be able to help you.

	If ~~these steps don~~'t work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]		If it doesn't work you could have multiple problems, including a bad display, bad keyboard, or a problem with the mainboard.

			If none of the steps above lead you to a resolution, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]

	[[Category:Model T Hardware Hacking]]		[[Category:Model T Hardware Hacking]]

Jhoger: /* Checking the Display */

2012-04-02T20:25:50Z

Checking the Display

← Older revision		Revision as of 13:25, 2 April 2012
Line 23:		Line 23:
	Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.		Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.

	== ~~Checking~~ the Display ==		== Check the Display ==

	In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.		In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.

	To diagnose this problem, ~~after a~~ cold-boot (CTRL-BREAK-Reset)~~, if you hit "~~Enter~~" then type~~ "beep" (without quotes) and hit ~~enter~~ again~~, the~~ machine will make a beep sound if it is actually working (meaning it has a bad LCD or bad LCD connection).		To diagnose this problem,
			# Perform cold-boot (CTRL-BREAK-Reset)
			# Hit the Enter key
			# Type "beep" (without quotes) and hit Enter again
			The machine will make a beep sound if it is actually working (meaning it has a bad LCD or bad LCD connection).

	If these steps don't work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]		If these steps don't work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]

	[[Category:Model T Hardware Hacking]]		[[Category:Model T Hardware Hacking]]

Jhoger at 20:22, 2 April 2012

2012-04-02T20:22:54Z

← Older revision		Revision as of 13:22, 2 April 2012
Line 3:		Line 3:
	unresponsive to the power button.		unresponsive to the power button.

	== Clear the RAM File System		== Clear the RAM File System ==

	Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard that maintains power to the RAM even when the main batteries are dead or removed.		Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard that maintains power to the RAM even when the main batteries are dead or removed.
Line 23:		Line 23:
	Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.		Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.

	== Checking the Display		== Checking the Display ==

	In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.		In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.

Jhoger at 20:22, 2 April 2012

2012-04-02T20:22:39Z

← Older revision		Revision as of 13:22, 2 April 2012
Line 3:		Line 3:
	unresponsive to the power button.		unresponsive to the power button.

	-- Clear the RAM File System		== Clear the RAM File System

	Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard that maintains power to the RAM even when the main batteries are dead or removed.		Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard that maintains power to the RAM even when the main batteries are dead or removed.
Line 23:		Line 23:
	Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.		Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.

	-- Checking the Display		== Checking the Display

	In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.		In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.

Jhoger at 20:22, 2 April 2012

2012-04-02T20:22:23Z

← Older revision		Revision as of 13:22, 2 April 2012
Line 3:		Line 3:
	unresponsive to the power button.		unresponsive to the power button.

	Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard.		-- Clear the RAM File System

			Although the Model T laptops use standard AA batteries, understand that there is an internal battery soldered to the motherboard that maintains power to the RAM even when the main batteries are dead or removed.

	Often with units that have sat unused for awhile these problems occur:		Often with units that have sat unused for awhile these problems occur:
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	Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.		Now fiddle with the contrast knob. Hopefully you will see the normal Model 100 main menu.

	If ~~that doesn~~'t work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]		-- Checking the Display

			In rarer cases, the problem is a bad display, or problematic (internal) display connection. If the "clear RAM" steps above do not resolve the issues, the display is the next thing to check.

			To diagnose this problem, after a cold-boot (CTRL-BREAK-Reset), if you hit "Enter" then type "beep" (without quotes) and hit enter again, the machine will make a beep sound if it is actually working (meaning it has a bad LCD or bad LCD connection).

			If these steps don't work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]

	[[Category:Model T Hardware Hacking]]		[[Category:Model T Hardware Hacking]]

Jhoger at 16:20, 23 February 2009

2009-02-23T16:20:35Z

← Older revision		Revision as of 09:20, 23 February 2009
Line 22:		Line 22:

	If that doesn't work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]		If that doesn't work, then more serious troubleshooting begins. Head over to the Model 100 mailing list (you can subscribe at [http://club100.org/list.html Model 100 Mailing List]

			[[Category:Model T Hardware Hacking]]