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Hello everyone,
I'm dealing with a classic BIOS corruption issue on an HP Pavilion 15-n058sr and hoping someone here might have the original BIOS file or point me in the right direction.
Symptoms:- Laptop powers on but no display at all (completely black screen)
- Caps Lock blinks twice with a pause, then repeats continuously
- F12 LED stays on permanently
- No POST, no boot sequence, nothing on screen
Based on HP diagnostic codes, the 2-blink Caps Lock pattern indicates BIOS corruption/failure.
What I've tried:- Hardware reset (battery removal, power
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Hello everyone.
This is my development machine. I've been using it since two years and half without any problem except sometimes it wouldn't wake up from sleep.
Lately the issue became more frequent and powering it up would take few seconds to show the POST screen.
Then the computer refuses to power on at all. Now only the caps lock button flashes 7 times then stops. The charging light is always on whenever a power source is connected (battery or charger).
I tried long pressing on the power button, after several seconds it would go off then when the button is released... -
Hi,
I'm facing this issue since this morning. When I try to power it on, the CAPS lock light flashes 7 times (or 6 if not counting the first one when the power button is pressed). The charging light is always on as if the laptop was connected to the charger. The issues started gradually where it would flash the light but after trying multiple time it would power on. I tried to open it and I noticed one coil "1R0 2127" gets hot when the charger is connected. Note: the charging light directly comes on when the battery is connected or the charger is connected.03-07-2025, 05:55 AM -
I am sitting with a very similar issue.
Basically, had a probook that worked, gave it to someone, they returned it DOA. what the heck happened, I have no idea.
Caps and num lock blink 4 times, as per HP, thats a board failure. I am very new to this, so perhaps I should be posting a new thread?
Anyway, I resoldered the bios chip on after trying EVERYTHING else including reseating ram, cpu etc.
Multimeter shows 19.5V on power, so I presume thats correct. Fan spins, no display. No post. Bios chip looks good from what I can tell just not sure how... -
Hi everyone , I need your help with this board and it's giving me a hard time . 3 long and 2 shorts base on HP site it's a MEMORY ERROR , tried replacing RAM it's still the same. RAM VOLTAGE has 1.2V i think it has a complete voltage a 3.3v and there's also ah 2v , tried checking pins if there any damage or unsoldered and everythings good , now I don't what should I do next. Also tried reflashing and programming the bios and still the same, hopefully there's someone who can help me with this since im having like 4 laptop with the same error.
Working...
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