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7746
March 29th, 2010 20:00
E1505 will not boot into BIOS
I have about a 2-3 year old E1505 that i just recently installed Windows 7 on. Prior to the install, it was working fine. However, about a couple hours after installation the computer froze up and when i rebooted, it doesn't boot up at all. When i press the power button, the keyboard lights come on for about 3-4 seconds and during this time i can hear the fan spool up. Then all of a sudden the unit turns off. The entire time the LCD is black. Nothing comes up at all. I've tried the following to no avail:
- Pulled out the battery and tried the power supply only - nothing
- Tried another power supply - nothing
- Tried pulling out the RAM and reseating it - nothing
- Replaced the CMOS/BIOS coin battery with a new one - nothing
Anything else i can try? This laptop is a few years old but it doesn't have very much mileage on it. It was used very sparingly during that time any other ideas?
LaptopNomad
539 Posts
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March 30th, 2010 03:00
You write " the keyboard lights come on for about 3-4 seconds" : The combination of the keyboard light is the POST code indicating why it's not starting BIOS.
POST = Power On Self Test.
To test if POST is alive, remove all RAM memory - POST code should be equal to "no memory installed".
Re-insert only half of the memory, then try again. Repeat with other half of the memory.
If either one un-zombies your laptop it's bad memory.
MrPrometheus
3 Posts
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March 30th, 2010 10:00
Hi there. I just tried what you recommended and no luck. The laptop behaves the same exact way with the same lights flashing on the keyboard then shutting down 3-4 seconds later. FYI, the lights that are coming on on the keyboard status panel are the 10-key, the caps lock and the one with the down arrow (shift lock?).
Any other ideas?
LaptopNomad
539 Posts
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March 30th, 2010 14:00
If i was in your shoes, i'd decide to take stuff apart. So remove HD, WIFI card, BT card, CD/DVD, battery till it's as barebone as possible. Then try again.
if in this state still nothing, reseat the CPU / GPU.
If still nothing, clean the mobo carefully and try again.
MrPrometheus
3 Posts
0
March 30th, 2010 18:00
If the HD was the problem, would it allow me to get to the BIOS screen if i disconnected it?
topmahof
2 Intern
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176 Posts
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March 30th, 2010 23:00
yes
ejn63
9 Legend
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87.5K Posts
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March 31st, 2010 07:00
Most likely, to fix the problem - you will need to replace the mainboard.