Question about Compaq Presario 2100U Notebook
1. Remove the battery.
2. Check the power supply connector to make sure that the two prongs at the end are on either side of the pin, as you may not have enough power to fire the machine.
Posted on Nov 12, 2008
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Posted on Jan 02, 2017
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Jan 12, 2011 | HP Compaq Presario 2100 Laptop
Presario Laptop dead ish.
a few reasons/causes of this.
The most common cause is the modem going faulty. Remove the modem and it may come back to life as it can't finish POST.
The Bios has an error, remove the Cmos battery and let the board discharge for 1/4 hour, re fit it and it may POST.
The uProcessor may need re seating and have a bad contact on a pin. Re seat the uProcessor and clean off old heatsink compound installing new.
Maybe as they are the most common I have come across, you may fall into one of them, I hope, otherwise it is a dead motherboard I'm sorry to suggest. Even if the RAM is faulty, it should attempt to POST.
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