Windows 8 and 8.1 Forums


Windows 8 Asus X501A Laptop Help Please! No BIOS

  1. #1


    London
    Posts : 4
    Windows 8 Pro

    Windows 8 Asus X501A Laptop Help Please! No BIOS


    Hello,

    I recently purchased an Asus X501A laptop. It's an i3 2330M with 4GB of RAM, 320GB HDD. I used it for a few days before deciding to upgrade the storage and RAM (even though it states on the Asus website this laptop supports only 4GB, Crucial said it supported 8GB).

    So I upgraded the HDD to a Corsair Neutron GTX 240GB, and everything worked great. I then decided to make one last upgrade and bump up the RAM to a Corsair Vengeance 8GB 1600MHz. The RAM is very hard to get to (no back panels, it's under the motherboard) but I got to it and replaced it just fine.

    I put it back together but it wouldn't boot. I've tried draining the power (remove battery and hold power for 30 seconds) didn't work. I decided to take out the CMOS and wait a while. Whilst trying to remove the CMOS battery I accidentally pulled out the wire.

    Not wanting to solder I ordered a new one. Which came and I installed it, it still wouldn't boot. I decided to just put back the 4GB RAM and use it like that. I did and still wouldn't boot. Here's what happens when I turn it on:

    The screen is blank - NO BIOS what so ever - The hard drive light is on for about a second then goes completely off and won't come on again. The Num Lock light and Power light stay on though. I've tried all I can, but it still won't budge.

    Currently it's just sitting here with the SSD and 4GB of RAM. I'm an aspiring IT Tech and this is the first computer I've been unable to fix. Any help would be greatly appreciated, thank you.

      My System SpecsSystem Spec

  2. #2


    London
    Posts : 4
    Windows 8 Pro


    Bump... anyone?
      My System SpecsSystem Spec

  3. #3


    Posts : 153
    Win8.1 64 bits Ent- Pro


    Sorry to hear man, it is indeed some weird isht you got into, I honestly havent that happen . Anywho just to cover some basics that we sometime overlook. Did you try function keys on your Asus, such as Esc when you just turn it on OR any other combo! i am sure you reopened it and made sure all wiring is ok! Good luck man, keep us posted
      My System SpecsSystem Spec

  4. #4


    London
    Posts : 4
    Windows 8 Pro


    Thank you, I've tried all I can but nothing works. It won't even POST lol. Well I believe it's the CMOS battery so I'll have to order a new one and see how it goes. Will do.
      My System SpecsSystem Spec

  5. #5


    Posts : 153
    Win8.1 64 bits Ent- Pro


    your Asus is new, cmos should be fine dude. I know it is a mess but any chance you could put al back to stock and try?
      My System SpecsSystem Spec

  6. #6


    London
    Posts : 4
    Windows 8 Pro


    Yeah it's new. The CMOS battery needs replacement. When I do it should be fine. The Asus is new, it's all back to stock already. I did that yesterday but still nothing. For now though I'll leave it be. It's pretty time consuming.
      My System SpecsSystem Spec

  7. #7


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    Most PC's will boot with a drained or dead CMOS battery. I have seen a shorted out CMOS battery prevent a boot though. The PC should have no problem booting with no CMOS battery installed so you could try that. It sounds like something got knocked loose while you were disassembling the laptop. I would double check all the cables etc, especially the one that goes from the motherboard to the display. The specs listed by the manufacturer are almost never wrong. Personally, I'm thinking Crucial got it wrong. Even so, putting the wrong size modules shouldn't tank your PC. You should have been fine going back to the original modules.
      My System SpecsSystem Spec

  8. #8


    Posts : 153
    Win8.1 64 bits Ent- Pro


    agreed Alpha and good luck Marty, keep us posted. peace out
      My System SpecsSystem Spec

  9. #9


    Posts : 1
    windows 7


    I have got exactly the same problem.... I got hold of a X501a the other day without a disk. Boot up only gives the power on light and num lock - nothing else!!! I put a disk in to see if that would make any difference - nada. Symptoms seem exactly the same as described earlier - blank screen and all. ASUS haven't got a lock that is activated if the notebook is openend up have they? I asked ASUS support what the problem might be, but they only suggested that I send the unit in for them to look at it! I consider myself a bit computer savvy, but admit I' m stuck now. Anybody help?
      My System SpecsSystem Spec

  10. #10


    Posts : 5,592
    ME, XP,Vista,Win7,Win8,Win8.1


    Welcome to EightForums.

    As new MOBO's now have uEFI, boot to Recovery options.
    System Recovery Options - Boot to in Windows 8

    Click image for larger version
      My System SpecsSystem Spec

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