Dell laptop beeping and not turning on

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Today, I decided to revolve on my old Dell lapoptimal (Inspiron 15R 5537) to grab some information off it, but I was unable to obtain it to write-up. This laptop has actually been sitting without use for months currently. After turning it on and also off a few times, I might hear beeping noises from the computer system. Beeps were 1..1..1..1. Although the power light was on, the display screen remained babsence and the key-board was not usable (tested utilizing caps lock). I additionally tried connecting an outside monitor and also key-board, neither were functioning on the laptop.I initially tried removing the battery and also holding dvery own the power button for 30 secs, then trying both the AC adapter just and the battery associated multiple times.

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This did not resolve the problem and also it ongoing to beep. I believe at one point, after force powering off the laptop, I would certainly obtain this incredibly high pitch sound coming from the lappeak, it adjusted tone, then quit.Since that was not working, I tried to reseat the 2 RAM modules mounted in the lapheight. This resulted in the laptop to power on, then power off after a few secs, without any beeping.I rerelocated one of the RAM modules and also tested it aacquire. This time, I was gaining a various collection of beeps: 4..4..4..4. This was a authorize of memory failure, so I swapped out the RAM modules, yet I was earlier to single beeps. I switched the RAM modules around and also tried each slot, yet I was just getting single beeps. Even after trying to seat the module in the place wbelow I gained 4 beeps, I was just getting single beeps currently.I"ve yet to try powering on the lapoptimal without RAM modules, as I"ve heard that if you obtain 2 beeps (no memory detected), that suggests the motherboard should still be useful and also it might simply be bad memory/poor socket. Can you please confirm if this is the case so I deserve to try this technique and also rule out a poor motherboard?Otherwise, what else can I carry out to isolate the worry or call it a dead/negative motherboard?I appreciate the help in advance!